Unit4 Save the trees.知识点课件2021-2022学年牛津深圳版英语七年级下册(共122张PPT)
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| 名称 | Unit4 Save the trees.知识点课件2021-2022学年牛津深圳版英语七年级下册(共122张PPT) |  | |
| 格式 | zip | ||
| 文件大小 | 15.0MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 牛津深圳版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-08-16 14:34:03 | ||
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(共122张PPT)
7B Unit 4
Reading
课前准备:
1.课堂笔记
2.教材: P45
3.黑笔；红笔
4.沉迷学习无法自拔
1
Content
Words
Phrases
Key points
01
02
03
Comprehension
04
2
Words
01
3
branch(es)
n.树枝
root(s)
n.根
v. 拯救；节省
save water
4
We must save the trees.
1) v 救，拯救
save the trees / save the Earth...
save one’s life
救某人的命
save sb/sth from ...
save
将...从...中解救出来
e.g. The firefighter saved a boy from the fire.
save
2) 节约；节省；积攒；储蓄
save water/save energy/save time/save money...
save money for a rainy day
【名】savings 存款,积蓄
Are trees important to us？
clean air
oxygen
wood
food
It’s a gas without color, taste or smell.
All plants and animals need it in order to live.
provide sb with sth = provide sth for sb
=offer sb sth= offer sth to sb
gas
c.n. 气体
u.n. 天然气；煤气
gases
Today we will discuss the importance of trees.P43
1. discuss vt. 讨论
= talk about...
e.g. You should discuss your future plan___________ your parents.
discuss sth with sb
= You should _____ ______ your future plan_____ your parents.
with
talk
with
about
discuss the problem
discuss something important
【名】discussion
have a discussion (with sb about/on sth)
和某人讨论某事
e.g. They are having a _____________.
discussion
He is having a discussion _____ his classmates_______ air pollution.
to ; about B. with; about
C. about; with D. to; in
B
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca:How do trees help us,Dr Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca:I know trees are also make our lives more convenient. Many of the things in our daily life come from trees, for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives.
Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
10
名词:
采访n. : interview 接受采访 give an interview
n. 面试 等待一场面试 wait for an interview
v. 采访 interview sb about sth 关于某事采访某人
interviewee被采访者
气体n.：gas-gases
例子n.:example
氧气n.: oxygen 二氧化碳 carbon dioxide
家具n.: furniture
11
example
1) n. 例子
an example/ two examples
A lot of people here prefer coffee to tea, ___________, Mr. John can’t imagine a day without coffee.
2. China has many big cities __________ Beijing and Shanghai.
A
B
A. for example B. such as
for example=such as=like
2) n. 榜样
set an example to sb
给某人树立榜样
e.g. You should _____ _____ _____ to your younger brothers.
set an example
example
furniture
u.n. 家具
a piece of furniture
一件家具
( )There isn’t __________ in the room.
many furnitures B. many furniture
C. much furnitures D. much furniture
two pieces of furniture
两件家具
D
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca: How do trees help us,DR Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca: I know trees are also make our lives more convenient. Many of the things in our daily life come from trees, for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives.
Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
15
Trees can also produce oxygen.
produce
v. 生产；制造；产生
e.g. This factory produces masks.
produce sth for ...
for hospitals.
product
production
c.n. 产品
e.g. diary products / farm products
u.n.产量；
【同】make
e.g. The weather may affect the production of apples.
17
After trying many times, the company ____________ a new kind of machines.
The ___________ of wine will be decreased(减少) because of the terrible weather.
This farm is know for its diary _________.
produce production product
选词填空
produced
production
products
动词:
18
fight
(fought-fought)
v.与...作斗争
fight against
fight for
对抗...；为除去...而战；为反对...而战
为...而战
e.g. They fought for freedom.
e.g. You should fight for your dream.
e.g. The doctor is fighting against COVID-19.
fight
n. 战斗，打架
e.g. a fight between two dogs
fighter
n. 战士;斗士
a firefighter
20
Dr. Zhong is a real_________. He is fighting________ COVID-19 ______ our health. And I believe we will win this__________ soon.
fight for against fighter
fighter
against
for
fight
COVID-19
corona virus
disease
n.疾病
a rare disease 一种罕见的疾病
fight against the disease
She is too weak to fight against the disease.
21
against
prep.
1) 靠着
e.g. I against the wall. (X)
2) 反对
【反】for
be against (doing)sth
play against...
be against the law/rules
∨
am/stand
e.g. I against your plan. (X)
am
∨
22
判断以下句子是否正确：
（ ）1. The piano against the wall.
（ ）2. Which team did you play against yesterday？
（ ）3. Driving after drinking against the law.
（ ）4. He is against put waste into the river.
（ ）5. Trees are major fighters against air pollution.
F
T
F
F
T
∨
is
∨
is
putting
23
imagine
v. 想象；设想
imagine + sth
imagine + doing sth
e.g. I didn’t imagine _________ (become) a teacher in my childhood.
e.g. Let’s imagine that we are having this class on the Moon.
imagine + (that)+句子
e.g. I can’t imagine the life without the Internet.
becoming
24
【名】imagination 想象力
笑容永不过时，
想象力不分年龄，梦想永不终结
25
dig
v. 挖；掘
(dug-dug; digging)
e.g. He is ______ holes to plant trees.
e.g. My dog ______ a hole close to the pine tree and put a bone in it.
digging
dug
dig holes/dig a tunnel
hole c.n. 洞
26
container
n. 容器
carry
vt. 搬；扛；背
(carried-carried; carrying)
He is carrying a piece of wood.
The box is too heavy to carry.
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca: How do trees help us, DR Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca:I know trees are also make our lives more convenient. Many of the things in our daily life come from trees, for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives.
Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
27
形容词adj.:
有害的:
adj. harmful
主要的：
adj. major=big and important
方便的：
adj. convenient
28
29
There are many harmful gases in the air.
cheerful wonderful successful helpful careful ...
以-ful为后缀的形容词
harmful
adj. 有害的
e.g. Smoking is harmful ___________ our health.
对...有害 be harmful to...
【反】harmless 无害的
= Smoking is bad __________ our health.
to
for
= be bad for...
30
harm
vt. 伤害；损害
u.n. 伤害；损害
do harm to... 对...有害
e.g. Smoking harms our health.
e.g. Smoking does harm to our health.
1. Reading in the Sun is to your eyes.
A. harm B. harmful C. good D. bad
2. Those gases may ______ the environment.
A. harm B. harmful C. good D. bad
be harmful to...
be bad for...
harm sb/sth
do harm to...
B
A
Trees give us a lot of useful things. (树带给我们许多有用的东西)
Trees take in harmful gases from the air. (树木吸收空气中的有害气体)
Useful and harmful both end in -ful. It means “full of”.
( 意为“充满；装满”有…性质的)
Using suffixes to guess meanings用后缀猜词义
care
hope
help
use
colour
beauty
careful
hopeful
helpful
useful
colourful
beautiful
31
32
major
1) adj. 主要的；重要的
e.g. the major problem
2) n. 专业
e.g. My _______ is English.
major
33
Trees make our lives more convenient.
convenient
adj. 方便的
(more convenient=easier; the most convenient)
e.g. Living in the city is _______________ than living in the countryside.
e.g. Shanghai is one of ____________________cities in China.
more convenient
the most convenient
34
convenience
It is convenient (for sb) to do sth
（对某人来说）做某事很方便
It’s very convenient for us to pay by wechat.
【反】inconvenient
adj. 不方便的
【名】方便
convenient
根据句意及首字母或汉语提示写单词
Smoking too much is h___________ to your body.
There is some beautiful f _______ in his house, such as sofa, tables and so on.
Now it’s c___________ to go shopping on the Internet.
How can we fight a ___________ air pollution.
He cut off all the small ________ (树枝) from the tree.
Rebecca is ___________(采访) Dr Jones about trees.
Air pollution is a __________(主要的) problem in our city.
armful
urniture
onvenient
gainst
branches
interviewing
major
35
Phrases
02
36
take in ：吸收= absorb 【反】 release=let out
散步
拿走
照顾
别紧张；放轻松
参加
起飞，脱衣服
小心，当心
吃药
发生
take a walk
take away
take care of
take it easy
take part in
take off
take care
take medicine
take place
37
take 短语
散步
拿走
照顾
别紧张；放轻松
参加
起飞，脱衣服
小心，当心
吃药
发生
take a walk
take away
take care of
take it easy
take part in
take off
take care
take medicine
take place
come from...来自 = be from...
e.g. Tea comes from the leaves of trees.
in fact 确切地说 （补充细节）=actually=as a matter of fact
e.g. It's raining so hard. In fact, it's raining cats and dogs.
look around 环顾四周
e.g. Don’t look around when you are taking an exam.
millions of + c.n.复数 数以百万计的，大量的
one million millions of + c.n.复=several million +c.n.复
有数无s,无of 没数有s,有of hundred；thousand；billion
39
40
be good for 对...有好处 = be useful for
be made of
be made from
be made of
be made into
be made in
be made by
be made up of
由…制成（看不出原材料）
由...制成（看出原材料）
被制成……
在某地制造
被某人制造
由 ……组成
41
1.Do you know that the Earth is home to ___________ animals
2.When you cross the road, you must ____________ to make sure you are safe.
3.In our daily life, we should _____________ bad people bravely.
4.He didn’t go to the party. ___________, he was not invited.
5.Trees _________ CO2 and let out O2.
6.We use wood to make a lot of things. You know, a lot of chairs and desks _____________wood.
fight against, in fact, look around, millions of,
take in ,be made of
millions of
look around
fight against
in fact
take in
are made of
42
Key points
03
43
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca:How do trees help us,DR Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca:I know trees are also make our lives more convenient. Many of the things in our daily life come from trees,for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives, Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
44
I often help my mother do the housework.
I often help my mother ______ the housework.
Help _____________ to some food, kids. (you)
Alice wants to tell a joke, but she can’t help _______ .(laugh)
_____ the help of the guide dog, John is safe.
_____ the guide dog’s help, John is safe.
I solved the problem without any help.
I solved the problem _________________.
Because Rebecca wants to know more about trees and how they help us.
help
help sb. do sth.
/ help sb. with sth.
帮助某人做某事
help oneself to sth. 请自便
can’t help doing 情不自禁
with the help of sb /
with one’s help
在某人的帮助之下
without any help
在没有任何帮助之下
with
yourselves
laughing
With
With
by myself / alone
45
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca:How do trees help us,DR Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca:I know trees are also make our lives more convenient. Many of the things in our daily life come from trees,for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives, Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
46
in many ways 在很多方面
in a way
on the way
in the way
by the way
all the way
在某种程度上
在路上
挡路
顺便问一下
自始至终,一路上
那个箱子碍事，请把它挪走。
The box is _______________. Please move it away.
在某种程度上，你是对的。
You are right _____________________.
in the way
in a way
47
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca:How do trees help us,DR Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca:I know trees are also make our lives more convenient. Many of the things in our daily life come from trees,for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives, Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
48
1
4
They keep the air cool and clean.
We should keep our classroom _________.(clean)
Sports keep him ____________. (health)
Please keep _________. We’ll begin our class. (安静）
She was tired, but she kept __________. (work)
Don’t keep the fire ___________. (burn)
The police kept the thief ______ running away.
keep a diary 记日记;
keep pets 养宠物; keep a secret 保守秘密
keep sb/sth + adj使...保持某种状态
clean
healthy
keep + adj保持某种状态
quiet
working
keep (on) doing一直做
keep sb/sth doing 让某人/物一直做
burning
from
keep sb from doing
阻止某人做某事
49
They ____________________ football in the rain yesterday.
A. keep play B. keep playing C kept playing
She ______ me _________for her for half an hour yesterday.
A. kept; wait B. kept; waiting C. kept; waited
The parents keep their children _______ the danger.
A. from B. against C out of
It’s so hot. Please keep the door______________.
A. opened B. opening C. open
Keep your eyes _________ (close) until I tell you to open them.
A. closed B. closing C. close
Practice
50
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca:How do trees help us,DR Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca:I know trees are also make our lives more convenient. Many of the things in our daily life come from trees,for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives, Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
51
stop doing sth. 停止做某事（当前这件事）
stop to do sth. 停下来去做另一件事
The students stopped ________(talk) when the teacher came in.
The girl stopped ________(talk) when she met her old friend in the park
stop
talking
to talk
without
without sth/sb “没有sth/sb”
=if there is/are no...
If there is no water, we can't live.
=We can't live ____ ____.
without water
52
Comprehension
04
53
Do trees help us in many ways
2. What can trees take in
3. Can you name two things that come from trees
4. Which part of trees does tea come from
5. How many trees do we cut down every year
6.What is this passage
Yes,(they do).
Harmful gases.
Fruit and oil.
The leaves.
Millions of trees.
An interwiew
54
Trees in our daily lives
Rebecca (A) wants to know more about trees and (B) 他们怎么帮助我们. She is interviewing Dr Jones__ trees.
Rebecca: How do trees help us, Dr Jones
Dr Jones: (D) They help us in many ways. They keep air cool and clean. They (E)吸收 harmful gases from the air and (F) produce oxygen for us to breathe. They are (G) major fighters (H) ______air pollution.
1.写出(A)(G)和 produce同义词或同义短语：
A:______ _______
G:______ ______ ______
produce：__________
2.将(B)(E)处译为英语：__________________ __________
would like
big and important
how they help us
make
take in
55
Trees in our daily lives
Rebecca (A) wants to know more about trees and (B) 他们怎么帮助我们. She is interviewing Dr Jones（C）__ trees.
Rebecca: How do trees help us, Dr Jones
Dr Jones: (D) They help us in many ways. They keep air cool and clean. They (E)吸收 harmful gases from the air and (F) produce oxygen for us to breathe. They are (G) major fighters (H) ______air pollution.
3.将(F)处译为汉语:_______________
4.在(C)(H)处填上适当的词_______ ______
5.写出(D)处指代的部分：_________
给我们提供氧气呼吸
about
Trees
against
56
Dr Jones: You’re right, Rebecca. 现实上 (A) , we get (B) a lot more (C) trees. We get (D) and(D) from them . (E)茶也是来自树叶的. Look (F) (G) this room. A lot of (H) the furniture is made (I) wood. Trees are really important in our daily (J) .
1.将(A)处译为英语 = = .
2.写出（B）处 get相关短语：出去________康复________
克服__________相聚、聚会____________
3.在(C)处填入单词 .
4.(D)处填入单词： . .
5. 翻译(E)句 :__________________________________.
In fact
Actually
As a matter of fact
get out
get over
get together
get well
from
fruit
oil
Tea also comes from the leaves of trees.
57
Dr Jones: You’re right, Rebecca. 现实上 (A) , we get (B) a lot more (C) trees. We get (D) and (D) from them . 茶也是来自树叶的 (E). Look (F) (G) this room. A lot of (H) the furniture is made (I) wood. Trees are really important in our daily (J) .
6. (F) look相关短语：
寻找 检查
看起来像 向前看、展望未来
看起来一样 浏览
小心 查阅 调查
look for
look like
look the same
look out
look into
look over
look ahead
look through
look up
7.(G)处应填入的是 .
8.(H)处短语可换成 _________ _________
9. (I)(J)处分别应该填入的单词；______；_______
around
Plenty of
Lots of
of
lives
58
Rebecca: （A）I know trees also make our lives (B)more convenient. (F)Many of the things in our (C)daily lives (D)come from(G) trees.(E) for example, (H) and(I) .
1.写出（ A ）处句子的同义句:I know trees make our lives ________________________.
2.写出（C）的同义短语:________________
3.写出(D), (E)的同义词语:________ ________
4.在(H)和( I )处各填入一个适当的词:______ ______
5.翻译（A）处画线句子________________________
6.写出(F)处的同义短语___________
easier
as well/too
everyday lives
are from
such as;like
Many things
我知道树也让我们的生活变得更方便.
paper
pencils
59
Rebecca: I can’t (A) imagine (B) a world without trees.
Dr Jones: (C) we (D) cut down (E) 数以百万计的 trees (F) every year.We should (G)_______ (H) this if (I) we don’t want a world without trees.
1.写出A处的同义短语：________ ________
________ ________ ________.
2.将B处翻译成汉语:____________________
3.在C处填入一个合适的词:_______
4.将D处翻译成汉语：_______
have something
in one’s mind
一个没有树的世界
But
砍伐
60
Rebecca: I can’t (A) imagine (B) a world without trees.
Dr Jones: (C) we (D) cut down (E) 数以百万计的 trees (F) every year. We should (G)_______ (H) this if (I) we don’t want a world without trees.
5.将E处翻译成英语：_______
6.就E处划线部分提问：
_______ _______ trees _______ we _______down every year
7.就F处划线部分提问
_______ _______ _______ we _______ down _______ _______ trees
millions of
How many
do
cut
How often do
cut
millions of
61
Rebecca: I can’t (A) imagine (B) a world without trees.
Dr Jones: (C) we (D) cut down (E) 数以百万计的 trees (F) every year.We should (G)_______ (H) this if (I) we don’t want a world without trees.
8. 选择一个合适的词填入G处 ( )
9. 写出H处指代的部分_____________________
10.写出I处的同义句：
we _______ a world _______ trees.
We _______ _______a world without trees.
cutting down millions of trees every year
with
wouldn’t
like
want
62
cut down millions of trees every year
stop
1. know about
2. in many ways
3. take in harmful gases
4. in our daily lives
5. come from
6. for example
7. in fact
8. fight against
1. 了解
2. 在很多方面
3. 吸收有害气体
4. 在我们的日常生活中
5. 来自
6. 例如
7. 事实上
8. 对抗
Important phrases
63
9. look around
10. be made of
11. cut down
12. millions of
13. stop doing sth.
14.make our lives more convenient
15.home to
16. provide sb. with sth.
9. 环顾
10. 由……制成（看得出原材料）
11. 砍伐
12.数以百万的
13. 停止做某事
14. 使我们的生活更便捷
15. …的家
16. 为某人提供某物
Important phrases
64
现在进行时
Content：
1.定义
2.结构
3.标志词
4.现在分词的变化规律
5.一般现在时与现在进行时的区别
一、定义
1.表示
正在进行或发生的动作
She is making soup.
He is listening to music now.
He is talking on the phone
② 表示
当前一段时间内的活动或现阶段正在进行的动作。
I am reading a book this month.
They are practicing dancing these day.
二、现在进行时构成
1.肯定句构成
主语+be (am/is/are)+ 动词ing
(be由主语的人称或单复数来决定)
I’m making soup.
They are running.
2.否定句构成
主语+be(am/is/are)+ not+动词ing
They are not running.
be后加not
3.一般疑问句构成
Be(am/is/are)+主语+动词ing
Are they running？
be动词提前，其他照抄
现在进行时构成练习
He is doing his homework.
He is not doing his homework.
Is he doing his homework
Yes, he is.
No, he isn't.
肯定句
否定句
一般疑问句
肯定/否定回答
The boys are playing cards.
The boys are not playing cards.
Are the boys playing cards
Yes, they are.
No, they are not.
肯定句
否定句
一般疑问句
肯定/否定回答
I am watering the flowers.
I am not watering the flowers.
Are you watering the flowers
Yes, I am.
No, I'm not.
肯定句
否定句
一般疑问句
肯定/否定回答
变一疑，I am变are you
We are watching TV.
We are not watchng TV.
Are you watching TV
Yes, we are.
No, we are not.
肯定句
否定句
一般疑问句
肯定/否定回答
变一疑，we are变are you
三.现在分词的变化规律
一般情况下,
直接在动词后加ing
work
working
sleep
sleeping
study
studying
动词以不发音的e结尾,要去e加ing
make
making
dance
dancing
take
taking
重读闭音节的动词,双写尾字母,再加ing
cut
cutting
run
running
swim
swimming
④以ie结尾的动词,把ie变成y再加ing
lie
lying
tie
tying
die
dying
四、标志词及用法
现在进行时的标志词：
now, at present, this week, at this moment,
at this time, look, listen，
these days, this month
现在进行时的用法
1. 现在：当句中出现的表示时间的词是now，at present，at the moment，right now等时，表示句子要说明的是现在正在发生的事，动词应用现在进行时。
Her brother is watching TV in his bedroom now.
We're far from home. What are our parents doing at the moment
现在进行时的用法
2. 当前：当句中出现的时间状语是these days, this week, this month等时，如果句子所要表达的意义是在这一阶段正在发生的事，则动词应用现在进行时。
These days we are helping the farmers work on the farm.
They're having a test this week.
Mr. Cheng is visiting our village this month.
现在进行时的用法
3.句中出现了Look, Listen, Can't you see 等暗示词时，说明后面谓语动词的动作正在发生，该动词应用现在进行时。
Look! Maria and Tom are dancing under the tree.
Listen! Our English teacher is singing the popular English song.
Many children are swimming in the river. Can't you see
现在进行时的用法
4.根据上下文的暗示，句子的谓语动词可能应用现在进行时。
— Where is Mr. Wang — Oh, he is reading a newspaper in the office.
（问句询问王先生在哪儿，应说明他现在在哪儿，故答句应说明他现在正在做的事，用现在进行时。）
—Is that boy Jack — No,Jack is doing his homework in the classroom.
（答句中说明的杰克做作业的情况应发生在现在，应用现在进行时。）
现在进行时的用法
5. 将来：现在进行时还有另外一种含义，即它们能表达即将发生的事情，相当于一般将来时。（现在进行时表将来）能够用来表示将来状况的动词有：arrive, come, do, get, go, have, leave, meet, play, return, see, spend, start, stay, wear, work等。
We are leaving on Friday.
Are you going anywhere tomorrow？
The teacher is giving a lecture this afternoon.
现在进行时的用法
6. 情感：当其与always，forever, continually, constantly 等副词连用时表示重复的动作，而这种动作可能使人不满，厌倦或满意。
①She is perpetually interfering in my affairs.她老是干预我的事。 （不满）
②The students are making progress constantly.学生们在不断进步。 （满意）
现在进行时的用法
注意：
并不是所有动词都有进行时，一些动词一般在句中不能用现在进行时态，而应用一般现在时。这些动词往往是等表示情感状态、知觉认识、愿望或短暂性的动词。
表示心理活动的动词 like,love,hate,know,understand,forget,remember,want,hope,wish,beieve,prefer,need
表示感官的连系动词 look,seem,smell,taste,sound,feel
表示行为结果的动词 see（明白）, hear
一.用所给动词的适当形式填空.
1.Look! The cat____________(run)up the tree.
2.The twins__________(have)breakfast.
is running
are having
3.----___he ________(clean) the blackboard ----No,he isn’t.
4.Tom__________(play)the piano in the room.Please ask him to come here.
5.Listen! They____________(sing)in the classroom.
is playing
are singing
Is
cleaning
二.选择填空.
1. Listen! The phone . Please go to answer it.
A. rings B. is ringing C. rang D. will ring
2.---____you ____a book ---Yes,I am.
A.Do,read B.Are ,read
C.Are ,reading D.Are ,looking
3.Kate _____,the others _____.
A.sing,listen B.is singing,is listening
C.sing,are listening D.is singing,are listening
4.I ___my eraser,but I can’t ______ it.
A.look for ,finding B.am finding,look for
C.am looking for,find D.find,look for
一、单项选择
1.Look! He _____their mother do the housework.
A．is helping B. are help C. is help D.is helpping
2. Don’t talk here. My mother _____.
A．sleeping B .are sleeping C.is sleeping D .sleep
3.--_____are the boys doing --They are singing in the room.
A .Who B .How C.Where D.What
4.Danny ______. Don’t call him.
A．is writeing B .is writing C. writing D .writes
一、单项选择
1.Look! He _____their mother do the housework.
A．is helping B. are help C. is help D.is helpping
2. Don’t talk here. My mother _____.
A．sleeping B .are sleeping C.is sleeping D .sleep
3.--_____are the boys doing --They are singing in the room.
A .Who B .How C.Where D.What
4.Danny ______. Don’t call him.
A．is writeing B .is writing C. writing D .writes
一般现在时
与现在进行时
The Simple Present Tense
&
The Present Continuous Tense
两种时态三个方面的区别
概念的区别
1. 表示经常性或习惯性的动作。
I often get up at 7:30 in the morning.
3. 表示自然现象或普遍真理。
The earth goes round the sun.
一般现在时
2.表示主语的喜好、状态或特征。
My brother likes hamburgers very much.
The classroom is clean today.
1.表示现在或现阶段正在进行的动作。
现在进行时
We are having an English class.
(现在正在进行的动作）
The workers are building a new bridge these days.
(现阶段正在进行的动作）
2. 表示赞许、批评、喜欢、厌恶等感彩,常与always、often等频度副词连用。
He is always helping others.
（表示赞许）
句子结构的区别
一般现在时的句子结构
be动词句型的构成
肯定句：主语 + am/is/are+....
否定句：主语 + am/is/are+ not+....
一般疑问句：Am/Is/Are + 主语+...
特殊疑问句：特殊疑问词 + am/is/are + 主语+...
肯定句：主语+am/is/are + V-ing + ....
否定句：主语+ am/is/are not+ V-ing + ....
疑问句：1)一般疑问句
Am/Is/Are+主语+ V-ing + ....
2)特殊疑问句
特殊疑问词+am/is/are+主语+ V-ing + ...
现在进行时的句子结构
My sister is playing in the garden.
My sister is not playing in the garden.
They are not reading books in the library.
Are they reading books in the library？
Is your sister playing in the garden
肯定/否定回答：
Yes，she is.
No，she isn’t.
一般疑问句：
否定句：
肯定/否定回答：
一般疑问句：
否定句：
Yes，they are.
No，they aren’t.
2.They are reading books in the library.
按要求转换句型
标志语的区别
一般现在时常和always, usually, often, sometimes, seldom, never, every day, in the morning, on Mondays等词连用。
I always go to school by subway.
He is never late for school.
We have six classes every weekday.
一般现在时的标志语
现在进行时常和now, look，listen，right now, at the moment, these days, Keep quiet.等词连用。
现在进行时的标志语
Look! The birds are singing in the tree.
Keep quiet. The baby is sleeping.
It’s 7 o’clock. They are having breakfast.
1.表示趋向的动词come, go, leave ,start, arrive等常用现在进行时表示将要发生的动作。
He is leaving for Beijing next week.
2. 在时间或条件状语从句中，常用一般现在时表示将来的动作。
I will tell you as soon as she gets to Beijing.
特别注意
1. Look ! The boys _____ football.
A. are playing B. is playing C. playing D. play
2.He usually _____ TV in the evening.
A. watch B. watches C. watching D. is watching
3. We'll go to play with snow if it ______ tomorrow.
A. snow B. snows C. will snow D. snowed
4. He _____ to do his lessons at eight every evening.
A. is beginning B. is beginning C. begin D. begins
5. _____ your mother _____ some cleaning on Sundays
A. Does…does B. Do…does C. Does…do D. Do… do
Have a try!
120
P52 Speaking
1. at a very high speed以非常快的速度
at a speed of ...以...的速度
2. practise sth/doing sth练习某事
3. be good for对...有益
be bad for对...有害
121
1.cover vt.占...（面积）; 覆盖；
cover A with B 用B把A盖上
be covered with被...覆盖着
e.g.她用一块布盖住了桌子。
大地被雪所覆盖
cover cn.封面，盖子，覆盖物。
e.g.这本书需要一个新封面
2.be home to ...的家园
3.living adj 有生命的，活着的；
4.as a result 相当于副词，“结果”+句子
as a result of 介词短语，“由于”+词
the number of ...的数量+可数名词复数 作主语，谓语动词用单数
a number of 许多 大量的...+可数名词复数 作主语，谓语动词用复数
do our best to do sth=try our best to do sth
122
besides 除...之外还有...
except 除...之外
but与excep同义，但要与any no,no one等后出现
the habit of ...的习惯
according to 根据...
discover 发现
invent 发明
several=some
7B Unit 4
Reading
课前准备:
1.课堂笔记
2.教材: P45
3.黑笔；红笔
4.沉迷学习无法自拔
1
Content
Words
Phrases
Key points
01
02
03
Comprehension
04
2
Words
01
3
branch(es)
n.树枝
root(s)
n.根
v. 拯救；节省
save water
4
We must save the trees.
1) v 救，拯救
save the trees / save the Earth...
save one’s life
救某人的命
save sb/sth from ...
save
将...从...中解救出来
e.g. The firefighter saved a boy from the fire.
save
2) 节约；节省；积攒；储蓄
save water/save energy/save time/save money...
save money for a rainy day
【名】savings 存款,积蓄
Are trees important to us？
clean air
oxygen
wood
food
It’s a gas without color, taste or smell.
All plants and animals need it in order to live.
provide sb with sth = provide sth for sb
=offer sb sth= offer sth to sb
gas
c.n. 气体
u.n. 天然气；煤气
gases
Today we will discuss the importance of trees.P43
1. discuss vt. 讨论
= talk about...
e.g. You should discuss your future plan___________ your parents.
discuss sth with sb
= You should _____ ______ your future plan_____ your parents.
with
talk
with
about
discuss the problem
discuss something important
【名】discussion
have a discussion (with sb about/on sth)
和某人讨论某事
e.g. They are having a _____________.
discussion
He is having a discussion _____ his classmates_______ air pollution.
to ; about B. with; about
C. about; with D. to; in
B
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca:How do trees help us,Dr Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca:I know trees are also make our lives more convenient. Many of the things in our daily life come from trees, for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives.
Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
10
名词:
采访n. : interview 接受采访 give an interview
n. 面试 等待一场面试 wait for an interview
v. 采访 interview sb about sth 关于某事采访某人
interviewee被采访者
气体n.：gas-gases
例子n.:example
氧气n.: oxygen 二氧化碳 carbon dioxide
家具n.: furniture
11
example
1) n. 例子
an example/ two examples
A lot of people here prefer coffee to tea, ___________, Mr. John can’t imagine a day without coffee.
2. China has many big cities __________ Beijing and Shanghai.
A
B
A. for example B. such as
for example=such as=like
2) n. 榜样
set an example to sb
给某人树立榜样
e.g. You should _____ _____ _____ to your younger brothers.
set an example
example
furniture
u.n. 家具
a piece of furniture
一件家具
( )There isn’t __________ in the room.
many furnitures B. many furniture
C. much furnitures D. much furniture
two pieces of furniture
两件家具
D
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca: How do trees help us,DR Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca: I know trees are also make our lives more convenient. Many of the things in our daily life come from trees, for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives.
Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
15
Trees can also produce oxygen.
produce
v. 生产；制造；产生
e.g. This factory produces masks.
produce sth for ...
for hospitals.
product
production
c.n. 产品
e.g. diary products / farm products
u.n.产量；
【同】make
e.g. The weather may affect the production of apples.
17
After trying many times, the company ____________ a new kind of machines.
The ___________ of wine will be decreased(减少) because of the terrible weather.
This farm is know for its diary _________.
produce production product
选词填空
produced
production
products
动词:
18
fight
(fought-fought)
v.与...作斗争
fight against
fight for
对抗...；为除去...而战；为反对...而战
为...而战
e.g. They fought for freedom.
e.g. You should fight for your dream.
e.g. The doctor is fighting against COVID-19.
fight
n. 战斗，打架
e.g. a fight between two dogs
fighter
n. 战士;斗士
a firefighter
20
Dr. Zhong is a real_________. He is fighting________ COVID-19 ______ our health. And I believe we will win this__________ soon.
fight for against fighter
fighter
against
for
fight
COVID-19
corona virus
disease
n.疾病
a rare disease 一种罕见的疾病
fight against the disease
She is too weak to fight against the disease.
21
against
prep.
1) 靠着
e.g. I against the wall. (X)
2) 反对
【反】for
be against (doing)sth
play against...
be against the law/rules
∨
am/stand
e.g. I against your plan. (X)
am
∨
22
判断以下句子是否正确：
（ ）1. The piano against the wall.
（ ）2. Which team did you play against yesterday？
（ ）3. Driving after drinking against the law.
（ ）4. He is against put waste into the river.
（ ）5. Trees are major fighters against air pollution.
F
T
F
F
T
∨
is
∨
is
putting
23
imagine
v. 想象；设想
imagine + sth
imagine + doing sth
e.g. I didn’t imagine _________ (become) a teacher in my childhood.
e.g. Let’s imagine that we are having this class on the Moon.
imagine + (that)+句子
e.g. I can’t imagine the life without the Internet.
becoming
24
【名】imagination 想象力
笑容永不过时，
想象力不分年龄，梦想永不终结
25
dig
v. 挖；掘
(dug-dug; digging)
e.g. He is ______ holes to plant trees.
e.g. My dog ______ a hole close to the pine tree and put a bone in it.
digging
dug
dig holes/dig a tunnel
hole c.n. 洞
26
container
n. 容器
carry
vt. 搬；扛；背
(carried-carried; carrying)
He is carrying a piece of wood.
The box is too heavy to carry.
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca: How do trees help us, DR Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca:I know trees are also make our lives more convenient. Many of the things in our daily life come from trees, for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives.
Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
27
形容词adj.:
有害的:
adj. harmful
主要的：
adj. major=big and important
方便的：
adj. convenient
28
29
There are many harmful gases in the air.
cheerful wonderful successful helpful careful ...
以-ful为后缀的形容词
harmful
adj. 有害的
e.g. Smoking is harmful ___________ our health.
对...有害 be harmful to...
【反】harmless 无害的
= Smoking is bad __________ our health.
to
for
= be bad for...
30
harm
vt. 伤害；损害
u.n. 伤害；损害
do harm to... 对...有害
e.g. Smoking harms our health.
e.g. Smoking does harm to our health.
1. Reading in the Sun is to your eyes.
A. harm B. harmful C. good D. bad
2. Those gases may ______ the environment.
A. harm B. harmful C. good D. bad
be harmful to...
be bad for...
harm sb/sth
do harm to...
B
A
Trees give us a lot of useful things. (树带给我们许多有用的东西)
Trees take in harmful gases from the air. (树木吸收空气中的有害气体)
Useful and harmful both end in -ful. It means “full of”.
( 意为“充满；装满”有…性质的)
Using suffixes to guess meanings用后缀猜词义
care
hope
help
use
colour
beauty
careful
hopeful
helpful
useful
colourful
beautiful
31
32
major
1) adj. 主要的；重要的
e.g. the major problem
2) n. 专业
e.g. My _______ is English.
major
33
Trees make our lives more convenient.
convenient
adj. 方便的
(more convenient=easier; the most convenient)
e.g. Living in the city is _______________ than living in the countryside.
e.g. Shanghai is one of ____________________cities in China.
more convenient
the most convenient
34
convenience
It is convenient (for sb) to do sth
（对某人来说）做某事很方便
It’s very convenient for us to pay by wechat.
【反】inconvenient
adj. 不方便的
【名】方便
convenient
根据句意及首字母或汉语提示写单词
Smoking too much is h___________ to your body.
There is some beautiful f _______ in his house, such as sofa, tables and so on.
Now it’s c___________ to go shopping on the Internet.
How can we fight a ___________ air pollution.
He cut off all the small ________ (树枝) from the tree.
Rebecca is ___________(采访) Dr Jones about trees.
Air pollution is a __________(主要的) problem in our city.
armful
urniture
onvenient
gainst
branches
interviewing
major
35
Phrases
02
36
take in ：吸收= absorb 【反】 release=let out
散步
拿走
照顾
别紧张；放轻松
参加
起飞，脱衣服
小心，当心
吃药
发生
take a walk
take away
take care of
take it easy
take part in
take off
take care
take medicine
take place
37
take 短语
散步
拿走
照顾
别紧张；放轻松
参加
起飞，脱衣服
小心，当心
吃药
发生
take a walk
take away
take care of
take it easy
take part in
take off
take care
take medicine
take place
come from...来自 = be from...
e.g. Tea comes from the leaves of trees.
in fact 确切地说 （补充细节）=actually=as a matter of fact
e.g. It's raining so hard. In fact, it's raining cats and dogs.
look around 环顾四周
e.g. Don’t look around when you are taking an exam.
millions of + c.n.复数 数以百万计的，大量的
one million millions of + c.n.复=several million +c.n.复
有数无s,无of 没数有s,有of hundred；thousand；billion
39
40
be good for 对...有好处 = be useful for
be made of
be made from
be made of
be made into
be made in
be made by
be made up of
由…制成（看不出原材料）
由...制成（看出原材料）
被制成……
在某地制造
被某人制造
由 ……组成
41
1.Do you know that the Earth is home to ___________ animals
2.When you cross the road, you must ____________ to make sure you are safe.
3.In our daily life, we should _____________ bad people bravely.
4.He didn’t go to the party. ___________, he was not invited.
5.Trees _________ CO2 and let out O2.
6.We use wood to make a lot of things. You know, a lot of chairs and desks _____________wood.
fight against, in fact, look around, millions of,
take in ,be made of
millions of
look around
fight against
in fact
take in
are made of
42
Key points
03
43
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca:How do trees help us,DR Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca:I know trees are also make our lives more convenient. Many of the things in our daily life come from trees,for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives, Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
44
I often help my mother do the housework.
I often help my mother ______ the housework.
Help _____________ to some food, kids. (you)
Alice wants to tell a joke, but she can’t help _______ .(laugh)
_____ the help of the guide dog, John is safe.
_____ the guide dog’s help, John is safe.
I solved the problem without any help.
I solved the problem _________________.
Because Rebecca wants to know more about trees and how they help us.
help
help sb. do sth.
/ help sb. with sth.
帮助某人做某事
help oneself to sth. 请自便
can’t help doing 情不自禁
with the help of sb /
with one’s help
在某人的帮助之下
without any help
在没有任何帮助之下
with
yourselves
laughing
With
With
by myself / alone
45
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca:How do trees help us,DR Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca:I know trees are also make our lives more convenient. Many of the things in our daily life come from trees,for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives, Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
46
in many ways 在很多方面
in a way
on the way
in the way
by the way
all the way
在某种程度上
在路上
挡路
顺便问一下
自始至终,一路上
那个箱子碍事，请把它挪走。
The box is _______________. Please move it away.
在某种程度上，你是对的。
You are right _____________________.
in the way
in a way
47
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca:How do trees help us,DR Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca:I know trees are also make our lives more convenient. Many of the things in our daily life come from trees,for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives, Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
48
1
4
They keep the air cool and clean.
We should keep our classroom _________.(clean)
Sports keep him ____________. (health)
Please keep _________. We’ll begin our class. (安静）
She was tired, but she kept __________. (work)
Don’t keep the fire ___________. (burn)
The police kept the thief ______ running away.
keep a diary 记日记;
keep pets 养宠物; keep a secret 保守秘密
keep sb/sth + adj使...保持某种状态
clean
healthy
keep + adj保持某种状态
quiet
working
keep (on) doing一直做
keep sb/sth doing 让某人/物一直做
burning
from
keep sb from doing
阻止某人做某事
49
They ____________________ football in the rain yesterday.
A. keep play B. keep playing C kept playing
She ______ me _________for her for half an hour yesterday.
A. kept; wait B. kept; waiting C. kept; waited
The parents keep their children _______ the danger.
A. from B. against C out of
It’s so hot. Please keep the door______________.
A. opened B. opening C. open
Keep your eyes _________ (close) until I tell you to open them.
A. closed B. closing C. close
Practice
50
Trees in our daily lives
Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees.
Rebecca:How do trees help us,DR Jones
Dr Jones: They help us in many ways. They keep air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution
Rebecca:I know trees are also make our lives more convenient. Many of the things in our daily life come from trees,for example, paper and pencils.
Dr Jones:You are right, Rebecca. In fact, we get a lot more from trees. we got fruit, and oil from them, Tea also comes from the leaves of trees. Look around this room. A lot of furniture is made of wood. Trees are really important in our daily lives, Rebecca:I can’t imagine a world without trees.
Dr Jones: But we cut down millions of trees every year we should stop doing this if we don’t want a world without trees.
51
stop doing sth. 停止做某事（当前这件事）
stop to do sth. 停下来去做另一件事
The students stopped ________(talk) when the teacher came in.
The girl stopped ________(talk) when she met her old friend in the park
stop
talking
to talk
without
without sth/sb “没有sth/sb”
=if there is/are no...
If there is no water, we can't live.
=We can't live ____ ____.
without water
52
Comprehension
04
53
Do trees help us in many ways
2. What can trees take in
3. Can you name two things that come from trees
4. Which part of trees does tea come from
5. How many trees do we cut down every year
6.What is this passage
Yes,(they do).
Harmful gases.
Fruit and oil.
The leaves.
Millions of trees.
An interwiew
54
Trees in our daily lives
Rebecca (A) wants to know more about trees and (B) 他们怎么帮助我们. She is interviewing Dr Jones__ trees.
Rebecca: How do trees help us, Dr Jones
Dr Jones: (D) They help us in many ways. They keep air cool and clean. They (E)吸收 harmful gases from the air and (F) produce oxygen for us to breathe. They are (G) major fighters (H) ______air pollution.
1.写出(A)(G)和 produce同义词或同义短语：
A:______ _______
G:______ ______ ______
produce：__________
2.将(B)(E)处译为英语：__________________ __________
would like
big and important
how they help us
make
take in
55
Trees in our daily lives
Rebecca (A) wants to know more about trees and (B) 他们怎么帮助我们. She is interviewing Dr Jones（C）__ trees.
Rebecca: How do trees help us, Dr Jones
Dr Jones: (D) They help us in many ways. They keep air cool and clean. They (E)吸收 harmful gases from the air and (F) produce oxygen for us to breathe. They are (G) major fighters (H) ______air pollution.
3.将(F)处译为汉语:_______________
4.在(C)(H)处填上适当的词_______ ______
5.写出(D)处指代的部分：_________
给我们提供氧气呼吸
about
Trees
against
56
Dr Jones: You’re right, Rebecca. 现实上 (A) , we get (B) a lot more (C) trees. We get (D) and(D) from them . (E)茶也是来自树叶的. Look (F) (G) this room. A lot of (H) the furniture is made (I) wood. Trees are really important in our daily (J) .
1.将(A)处译为英语 = = .
2.写出（B）处 get相关短语：出去________康复________
克服__________相聚、聚会____________
3.在(C)处填入单词 .
4.(D)处填入单词： . .
5. 翻译(E)句 :__________________________________.
In fact
Actually
As a matter of fact
get out
get over
get together
get well
from
fruit
oil
Tea also comes from the leaves of trees.
57
Dr Jones: You’re right, Rebecca. 现实上 (A) , we get (B) a lot more (C) trees. We get (D) and (D) from them . 茶也是来自树叶的 (E). Look (F) (G) this room. A lot of (H) the furniture is made (I) wood. Trees are really important in our daily (J) .
6. (F) look相关短语：
寻找 检查
看起来像 向前看、展望未来
看起来一样 浏览
小心 查阅 调查
look for
look like
look the same
look out
look into
look over
look ahead
look through
look up
7.(G)处应填入的是 .
8.(H)处短语可换成 _________ _________
9. (I)(J)处分别应该填入的单词；______；_______
around
Plenty of
Lots of
of
lives
58
Rebecca: （A）I know trees also make our lives (B)more convenient. (F)Many of the things in our (C)daily lives (D)come from(G) trees.(E) for example, (H) and(I) .
1.写出（ A ）处句子的同义句:I know trees make our lives ________________________.
2.写出（C）的同义短语:________________
3.写出(D), (E)的同义词语:________ ________
4.在(H)和( I )处各填入一个适当的词:______ ______
5.翻译（A）处画线句子________________________
6.写出(F)处的同义短语___________
easier
as well/too
everyday lives
are from
such as;like
Many things
我知道树也让我们的生活变得更方便.
paper
pencils
59
Rebecca: I can’t (A) imagine (B) a world without trees.
Dr Jones: (C) we (D) cut down (E) 数以百万计的 trees (F) every year.We should (G)_______ (H) this if (I) we don’t want a world without trees.
1.写出A处的同义短语：________ ________
________ ________ ________.
2.将B处翻译成汉语:____________________
3.在C处填入一个合适的词:_______
4.将D处翻译成汉语：_______
have something
in one’s mind
一个没有树的世界
But
砍伐
60
Rebecca: I can’t (A) imagine (B) a world without trees.
Dr Jones: (C) we (D) cut down (E) 数以百万计的 trees (F) every year. We should (G)_______ (H) this if (I) we don’t want a world without trees.
5.将E处翻译成英语：_______
6.就E处划线部分提问：
_______ _______ trees _______ we _______down every year
7.就F处划线部分提问
_______ _______ _______ we _______ down _______ _______ trees
millions of
How many
do
cut
How often do
cut
millions of
61
Rebecca: I can’t (A) imagine (B) a world without trees.
Dr Jones: (C) we (D) cut down (E) 数以百万计的 trees (F) every year.We should (G)_______ (H) this if (I) we don’t want a world without trees.
8. 选择一个合适的词填入G处 ( )
9. 写出H处指代的部分_____________________
10.写出I处的同义句：
we _______ a world _______ trees.
We _______ _______a world without trees.
cutting down millions of trees every year
with
wouldn’t
like
want
62
cut down millions of trees every year
stop
1. know about
2. in many ways
3. take in harmful gases
4. in our daily lives
5. come from
6. for example
7. in fact
8. fight against
1. 了解
2. 在很多方面
3. 吸收有害气体
4. 在我们的日常生活中
5. 来自
6. 例如
7. 事实上
8. 对抗
Important phrases
63
9. look around
10. be made of
11. cut down
12. millions of
13. stop doing sth.
14.make our lives more convenient
15.home to
16. provide sb. with sth.
9. 环顾
10. 由……制成（看得出原材料）
11. 砍伐
12.数以百万的
13. 停止做某事
14. 使我们的生活更便捷
15. …的家
16. 为某人提供某物
Important phrases
64
现在进行时
Content：
1.定义
2.结构
3.标志词
4.现在分词的变化规律
5.一般现在时与现在进行时的区别
一、定义
1.表示
正在进行或发生的动作
She is making soup.
He is listening to music now.
He is talking on the phone
② 表示
当前一段时间内的活动或现阶段正在进行的动作。
I am reading a book this month.
They are practicing dancing these day.
二、现在进行时构成
1.肯定句构成
主语+be (am/is/are)+ 动词ing
(be由主语的人称或单复数来决定)
I’m making soup.
They are running.
2.否定句构成
主语+be(am/is/are)+ not+动词ing
They are not running.
be后加not
3.一般疑问句构成
Be(am/is/are)+主语+动词ing
Are they running？
be动词提前，其他照抄
现在进行时构成练习
He is doing his homework.
He is not doing his homework.
Is he doing his homework
Yes, he is.
No, he isn't.
肯定句
否定句
一般疑问句
肯定/否定回答
The boys are playing cards.
The boys are not playing cards.
Are the boys playing cards
Yes, they are.
No, they are not.
肯定句
否定句
一般疑问句
肯定/否定回答
I am watering the flowers.
I am not watering the flowers.
Are you watering the flowers
Yes, I am.
No, I'm not.
肯定句
否定句
一般疑问句
肯定/否定回答
变一疑，I am变are you
We are watching TV.
We are not watchng TV.
Are you watching TV
Yes, we are.
No, we are not.
肯定句
否定句
一般疑问句
肯定/否定回答
变一疑，we are变are you
三.现在分词的变化规律
一般情况下,
直接在动词后加ing
work
working
sleep
sleeping
study
studying
动词以不发音的e结尾,要去e加ing
make
making
dance
dancing
take
taking
重读闭音节的动词,双写尾字母,再加ing
cut
cutting
run
running
swim
swimming
④以ie结尾的动词,把ie变成y再加ing
lie
lying
tie
tying
die
dying
四、标志词及用法
现在进行时的标志词：
now, at present, this week, at this moment,
at this time, look, listen，
these days, this month
现在进行时的用法
1. 现在：当句中出现的表示时间的词是now，at present，at the moment，right now等时，表示句子要说明的是现在正在发生的事，动词应用现在进行时。
Her brother is watching TV in his bedroom now.
We're far from home. What are our parents doing at the moment
现在进行时的用法
2. 当前：当句中出现的时间状语是these days, this week, this month等时，如果句子所要表达的意义是在这一阶段正在发生的事，则动词应用现在进行时。
These days we are helping the farmers work on the farm.
They're having a test this week.
Mr. Cheng is visiting our village this month.
现在进行时的用法
3.句中出现了Look, Listen, Can't you see 等暗示词时，说明后面谓语动词的动作正在发生，该动词应用现在进行时。
Look! Maria and Tom are dancing under the tree.
Listen! Our English teacher is singing the popular English song.
Many children are swimming in the river. Can't you see
现在进行时的用法
4.根据上下文的暗示，句子的谓语动词可能应用现在进行时。
— Where is Mr. Wang — Oh, he is reading a newspaper in the office.
（问句询问王先生在哪儿，应说明他现在在哪儿，故答句应说明他现在正在做的事，用现在进行时。）
—Is that boy Jack — No,Jack is doing his homework in the classroom.
（答句中说明的杰克做作业的情况应发生在现在，应用现在进行时。）
现在进行时的用法
5. 将来：现在进行时还有另外一种含义，即它们能表达即将发生的事情，相当于一般将来时。（现在进行时表将来）能够用来表示将来状况的动词有：arrive, come, do, get, go, have, leave, meet, play, return, see, spend, start, stay, wear, work等。
We are leaving on Friday.
Are you going anywhere tomorrow？
The teacher is giving a lecture this afternoon.
现在进行时的用法
6. 情感：当其与always，forever, continually, constantly 等副词连用时表示重复的动作，而这种动作可能使人不满，厌倦或满意。
①She is perpetually interfering in my affairs.她老是干预我的事。 （不满）
②The students are making progress constantly.学生们在不断进步。 （满意）
现在进行时的用法
注意：
并不是所有动词都有进行时，一些动词一般在句中不能用现在进行时态，而应用一般现在时。这些动词往往是等表示情感状态、知觉认识、愿望或短暂性的动词。
表示心理活动的动词 like,love,hate,know,understand,forget,remember,want,hope,wish,beieve,prefer,need
表示感官的连系动词 look,seem,smell,taste,sound,feel
表示行为结果的动词 see（明白）, hear
一.用所给动词的适当形式填空.
1.Look! The cat____________(run)up the tree.
2.The twins__________(have)breakfast.
is running
are having
3.----___he ________(clean) the blackboard ----No,he isn’t.
4.Tom__________(play)the piano in the room.Please ask him to come here.
5.Listen! They____________(sing)in the classroom.
is playing
are singing
Is
cleaning
二.选择填空.
1. Listen! The phone . Please go to answer it.
A. rings B. is ringing C. rang D. will ring
2.---____you ____a book ---Yes,I am.
A.Do,read B.Are ,read
C.Are ,reading D.Are ,looking
3.Kate _____,the others _____.
A.sing,listen B.is singing,is listening
C.sing,are listening D.is singing,are listening
4.I ___my eraser,but I can’t ______ it.
A.look for ,finding B.am finding,look for
C.am looking for,find D.find,look for
一、单项选择
1.Look! He _____their mother do the housework.
A．is helping B. are help C. is help D.is helpping
2. Don’t talk here. My mother _____.
A．sleeping B .are sleeping C.is sleeping D .sleep
3.--_____are the boys doing --They are singing in the room.
A .Who B .How C.Where D.What
4.Danny ______. Don’t call him.
A．is writeing B .is writing C. writing D .writes
一、单项选择
1.Look! He _____their mother do the housework.
A．is helping B. are help C. is help D.is helpping
2. Don’t talk here. My mother _____.
A．sleeping B .are sleeping C.is sleeping D .sleep
3.--_____are the boys doing --They are singing in the room.
A .Who B .How C.Where D.What
4.Danny ______. Don’t call him.
A．is writeing B .is writing C. writing D .writes
一般现在时
与现在进行时
The Simple Present Tense
&
The Present Continuous Tense
两种时态三个方面的区别
概念的区别
1. 表示经常性或习惯性的动作。
I often get up at 7:30 in the morning.
3. 表示自然现象或普遍真理。
The earth goes round the sun.
一般现在时
2.表示主语的喜好、状态或特征。
My brother likes hamburgers very much.
The classroom is clean today.
1.表示现在或现阶段正在进行的动作。
现在进行时
We are having an English class.
(现在正在进行的动作）
The workers are building a new bridge these days.
(现阶段正在进行的动作）
2. 表示赞许、批评、喜欢、厌恶等感彩,常与always、often等频度副词连用。
He is always helping others.
（表示赞许）
句子结构的区别
一般现在时的句子结构
be动词句型的构成
肯定句：主语 + am/is/are+....
否定句：主语 + am/is/are+ not+....
一般疑问句：Am/Is/Are + 主语+...
特殊疑问句：特殊疑问词 + am/is/are + 主语+...
肯定句：主语+am/is/are + V-ing + ....
否定句：主语+ am/is/are not+ V-ing + ....
疑问句：1)一般疑问句
Am/Is/Are+主语+ V-ing + ....
2)特殊疑问句
特殊疑问词+am/is/are+主语+ V-ing + ...
现在进行时的句子结构
My sister is playing in the garden.
My sister is not playing in the garden.
They are not reading books in the library.
Are they reading books in the library？
Is your sister playing in the garden
肯定/否定回答：
Yes，she is.
No，she isn’t.
一般疑问句：
否定句：
肯定/否定回答：
一般疑问句：
否定句：
Yes，they are.
No，they aren’t.
2.They are reading books in the library.
按要求转换句型
标志语的区别
一般现在时常和always, usually, often, sometimes, seldom, never, every day, in the morning, on Mondays等词连用。
I always go to school by subway.
He is never late for school.
We have six classes every weekday.
一般现在时的标志语
现在进行时常和now, look，listen，right now, at the moment, these days, Keep quiet.等词连用。
现在进行时的标志语
Look! The birds are singing in the tree.
Keep quiet. The baby is sleeping.
It’s 7 o’clock. They are having breakfast.
1.表示趋向的动词come, go, leave ,start, arrive等常用现在进行时表示将要发生的动作。
He is leaving for Beijing next week.
2. 在时间或条件状语从句中，常用一般现在时表示将来的动作。
I will tell you as soon as she gets to Beijing.
特别注意
1. Look ! The boys _____ football.
A. are playing B. is playing C. playing D. play
2.He usually _____ TV in the evening.
A. watch B. watches C. watching D. is watching
3. We'll go to play with snow if it ______ tomorrow.
A. snow B. snows C. will snow D. snowed
4. He _____ to do his lessons at eight every evening.
A. is beginning B. is beginning C. begin D. begins
5. _____ your mother _____ some cleaning on Sundays
A. Does…does B. Do…does C. Does…do D. Do… do
Have a try!
120
P52 Speaking
1. at a very high speed以非常快的速度
at a speed of ...以...的速度
2. practise sth/doing sth练习某事
3. be good for对...有益
be bad for对...有害
121
1.cover vt.占...（面积）; 覆盖；
cover A with B 用B把A盖上
be covered with被...覆盖着
e.g.她用一块布盖住了桌子。
大地被雪所覆盖
cover cn.封面，盖子，覆盖物。
e.g.这本书需要一个新封面
2.be home to ...的家园
3.living adj 有生命的，活着的；
4.as a result 相当于副词，“结果”+句子
as a result of 介词短语，“由于”+词
the number of ...的数量+可数名词复数 作主语，谓语动词用单数
a number of 许多 大量的...+可数名词复数 作主语，谓语动词用复数
do our best to do sth=try our best to do sth
122
besides 除...之外还有...
except 除...之外
but与excep同义，但要与any no,no one等后出现
the habit of ...的习惯
according to 根据...
discover 发现
invent 发明
several=some