Unit 3 The earth 重点词汇语法以及单词 课件(共20张PPT)

(共20张PPT)
The Earth
Unit 3
Reading and Listening
True or False ( T OR F )
1. Little children live under the protect of their parents.
3. He is from Japan.
2. Parents should offer their kids with a warm family.
4. I want to make friend with different people.
5. How often do you take walk
6. Children,welcome to my home! Help yourself to
some apples and candies.
protect改为protection
offer 改为provide
make friends with...
yourself改为yourselves
√
take a walk散步
词意及词性：及物动词
保护 make/keep sb safe
protect sb/sth
under the protection of...
protect sb/sth from...
/pr tekt/
protect the envionment / the Earth/her
live under the protection of
our parents.
protect our eyes
from the sun.
及物动词，提供 give...
provide sb. with sth
=provide sth. for sb
offer sb sth= offer sth to sb
give sb sth= give sth to sb
provide us with air,
water and food
give us a present
offer that man a seat
offer强调主动提供
V. 污染 make ...dirty
/p lu t/
pollute sth
n. pollution
不可数名词
much pollution
a lot of pollution
pollute air/water/the Earth
/p lu n/
modal v. 必须
否定式：mustn’t
情态动词must+V原形
否定回答用
needn’t / don’t have to
一般疑问句must提至句首
其他modal V. can/should/may
must not 表示禁止......
No, she doesn’t have to.
Must...
2020 广西中考
Must I hand in the report now, sir
________. You can hand it in tomorrow.
A. Yes, you can. B. Yes, you must.
C. No, you needn’t. D. No, you mustn’t.
C
2021广州期末
We must stop ______ our rubbish into the sea and under the ground.
A. to put B. putting
C. puts D. put
adj. 不多，很少
few+可数名词复数
例：few friends
表否定含义，意为几乎没有
a few+可数名词复数
例：a few friends
little+不可数名词
例：little water
a little+不可数名词
例：a little water
表肯定含义，意为有几个
表否定含义，强调几乎为零，
没有的意味更深一些
表肯定含义，有一点，
此处的少，是相对于多而言，
有a的酒饱饭足，没a的穷困潦倒。
我有一点水。
我几乎没有水了。
我有几个朋友。
我几乎没有朋友。
We must stop doing these things. page 31
停止做某事
停下来做另一件事
停下来看看天空，红月亮出来了。
______ _______ _______ _____ the sky; the red moon comes out.
Stop to look at
2020新疆中考
Why don’t the doctors stop _____ lunch
Because they are busy _____a patient(病人).
A. to have, to save.
B. having, saving
C. to have; saving
D. having;to save
句子结构 It is + adj.+ for sb.+ to do sth.
其中It在句中作形式主语，后面的动词不定式短语作真正的主语。
此处adj可以是: improtant/wise/useful等描述事物的特征的
对我们来说，为了将来努力学习很重要。
It is improtant for us ______ ______ ______ for our future.
to
study
hard
Learning Chinese is very important for us.改为同义句。
_______ _______ improtant for us ______ _______Chinese.
It is
to
learn
important / m p tnt/
句子结构 It is + adj.+ of sb.+ to do sth.
其中It在句中作形式主语，后面的动词不定式短语作真正的主语。
此处adj可以是:kind/friendly/polite/等描述人的性格、品性
你帮助我真是太友好了。
It is kind of you ______ ______ ______ .
to
help
me
Helping me is very kind.改为同义句。
_______ _______ kind of you ______ _______ _____.
It is
to
help
me
About 70% of the Earth is covered by water.
地球大约70%被水覆盖。
This is a fact.
百分数+ of +名词 作主语时，谓语动词的单复数要
与of后面名词的单复数保持一致。
大约60%的钱是我的。
About 60% of the money is mine.
大约90%的学生是好的。
90% of the students are good.
70% of the students in our class _____ ______.
are
boys.
分数的表达
one quarter 四分之一
quarter意为“一刻钟，四等分之一。”
three quarters 四分之三
英语中分数用“基数词+序数词”表示，
分子用基数词，分母用序数词；
分子大于1时，分母用复数形式。
one sixth 六分之一
two thirds 三分之二
There are fifty students in this class. _______ of them are boys,
so there are 30 boys in this class. (2020年中考题。）
A. three fifth
B. three fifths
C. three five
祈使句: Do not throw the rubbish into the river. Page 35
祈使句用来表示请求，命令，劝告等，其特点是省略主语you，
肯定祈使句以动词原形开头。
请把门关上。
close the door, please!
请不要开窗户。
Don’t open the window, please!
You shouldn’t walk across the road when the light is red.
______ _______ across the road when the light is red.
Don’t
walk
You shouldn’t throw the rubbish into the river.
改为同义句
Let型
Let’s do sth.
及物动词原形+宾语
不及物动词原形(+副词）
其否定形式在句首加Don’t
Be+ adj型
No+ 动名词型
Please 型
Please 置于句末时就变成了do型
Earth / θ/ n. 地球
quiz /kwiz/ n. 知识竞赛，小测验
pattern / p tn / 图案，模式，形式
protect /pr tekt/ v. 保护
report /r p t/ n.报告
part /pɑ t/ n. 部分
land /l nd/ n. 陆地
field /fi ld/ n. 田野,田地
large /lɑ d / adj. 大的
provide /pr va d/ v. 提供
pollution /p lu n/ n. 污染
burn /b n/ v. 燃烧
energy / en d i/ n. 能量，能源
pollute /p lu t/ v. 污染
into / ntu/ prep. 到......里面；进入......
ground /ɡra nd/ n. 地面
kill /k l/ v. 杀死
must /m st/ modal v. 必须
important / m p tnt/ adj. 重要的
fact /f kt/ n. 事实
kilometre / k l m t (r)/ n. 公里 千米
own / n/ adj. 自己的
catch /k t / v. 捕捉
few /fju / adj. 不多，很少
away / we / adv. 去别处，朝另一个方向
problem / pr bl m/ n. 问题 难题