Unit 2 Saving the earth. Topic 3 SectionB课件 +嵌入音频(共35张PPT)

(共35张PPT)
Unit 2 Saving the Earth
Topic 3 What can we do at home to protect the environment
Section B
aims
Learning
New words:
action, cloth, distance, electricity
Useful expressions:
ought to, shut off, after all
Sentence paterns:
You ought to ...
Easier said than done.
Actions speak louder than words.
Talk about how to be a greener person.
行业PPT模板http:///hangye/
Lead-in
世界地球日( The World Earth Day)即每年的4月22日，是一项世界性的环境保护活动。
活动宗旨在唤起人类爱护地球、保护家园的意识。
Making a survey: Are you green
Answer these questions to see how green you are.
Do you usually recycle newspapers or cans
A. Often 2 B. Seldom 1 C. Never 0
2. Do you usually take
A. a bath 0 B. a shower 2
3. When you have a short journey, how do you usually go there
A. walk or ride a bike 3 B. go by car 0 C. go by bus. 2
4. What do you usually do when you see others littering
A. Stop them 2 B . Pick the litter up 1
C. Do nothing 0
5. How often do you use paper towels
A. Often 0 B. Seldom 1 C. Never 2
6. How often do you eat fast food
A. Often 0 B. Seldom 1 C. never 2
7. What types of bags do you often use for shopping
A. Baskets or cloth bags. 3 B. Reused plastic bags. 1
C. New plastic bags. 0
8. How often do you turn off the lights when you leave a
room
A. Nearly always 2 B. Seldom 1 C. Never 0
towels
paper towels
0-4 You have not started turning green yet!
5-9 You are pale green.
10-13 You are medium green. Try harder.
14-18 You are bright green, but do not stop trying.
All of us should try our best to be greener .
开始成为绿色使者
刚刚成为绿色使者
中级绿色使者
优秀的绿色使者
Scores:
people
How do you sort the garbage you’ve collected on your own Clean-up Day.
reuse
recycle
others
plastic bottles...
paper bags
and cups...
lunch boxes
soft drink cans, plastic bottles,
waste paper, glass, paper bags and cups ...
batteries ...
reduce
plastic bottles, lunch boxes, paper bags, paper cups, soft drink cans, waste paper, glass, batteries
What do they mean
Zhongguo
Huan Bao
Which day is the World Environment Day
June.5th
Recycle
You should sort the garbage.
=You ought to sort the garbage.
ought to 应该 情态动词
ought to +动词原形
ought not to + 动词原形
How can we become greener people
How can we become greener people
n.电，电能
关闭
e.g. You should / ought to shut off the electricity when you leave a room.
You should /ought to …
shut off the electricity
You should/ought to ride a bike to your school.
You should/ought to take a bus to school instead of taking a taxi.
You should/ought to take a cloth bag when you go shopping.
2 Choose the correct verbs or phrases to complete the statements. Then match them with the right pictures.
shut off reduce grow recycle ride cover use
______ waste. Don’t buy cups or boxes which can be used only once.
Save electricity. ________ the electricity when you are not using it.
________ boxes and plastic bottles.
________ fruit and vegetables yourself.
Try to ________ a bike when you travel.
_________ both sides of the paper.
__________ pans when you are cooking.
Reduce
Shut off
Recycle
Grow
ride
Use
Cover
1. Reduce waste. Don’t buy cups or boxes
which can be used only once.
2. Save electricity. Shut off the lights
when you are not using them.
3. Recycle boxes and plastic bottles.
4. Grow fruit and vegetables yourself.
5. Try to ride a bike when you travel.
6. Use both sides of the paper.
7. Cover pans when you are cooking.
2
6
4
3
1
7
5
2 Then match them with the right pictures.
3 Read and fill in the blanks . Then listen and check.
The earth is our home. Some things (we have done) are good for the earth w_______ some are bad. We have polluted the earth, a_______ it is sick now. We c_____ down too many trees, so lots of rich land has c_______ into desert. Factories p______ waste water into rivers. Pollution has caused many s________ problems. The earth is crying for help.
What shall we do to save it We should plant more trees, r__________ the waste (we produce), r__________ the waste paper and soft drink cans, and ride bikes to reduce air pollution. I think we should try to be g__________ people to protect our earth. After all, we have only one earth. We should do e_________ to protect it,
or we’ll be punished and lose our home.
hile
nd
ut
hanged
our
erious
educe
ecycle
reener
verything
毕竟，归根结底
1b Listen and choose the correct answers.
1. Jane and Michael are mainly talking about _______.
why we should shut off the electricity when we leave
what we should use when we go shopping
how to be a greener person
2. Actions speak louder than words means ____.
words are not as loud as actions
to do well is better than to say well
actions can speak, but words can’t do it
C
B
1c Read 1a and complete the table.
To be a greener person
1._______________________________when you leave the room.
2. If you travel a short __________, you shouldn’t _________________ , but ________________. So this helps to ___________ and ___________________.
3. When you go shopping, you’d better _________________
instead of using _____________.
You ought to shut off the electricity
distance
take a bus or a taxi
walk or ride a bike
save energy
reduce air pollution
take a cloth bag
plastic bags
Jane: Hi, Michael. Would you like to be a greener person
Michael: Of course. I’d love to. But what should I do
Jane: First, you ought to shut off the electricity when you leave a room.
Michael: Oh, that’s easy. What’s next
Jane: Second, you’d better walk or ride a bike instead of taking a bus or
a taxi if you travel a short distance.
Michael: That’ right. It will save energy and reduce air pollution.
Jane: Third, take a cloth bag when you go shopping. Don’t use plastic bags.
Michael: It’s so easy to be a greener person.
Jane: Easier said than done.
Michael: Well, actions speak louder than words.
Retell 1c like this:
I would like to be a greener person.
First I ought to shut off the electricity when I leave a room.
Second, I’d better walk or ride a bike instead of taking a bus or a taxi if I travel a short distance. I will save energy and reduce air pollution.
Third, I will take a cloth bag when I go shopping. I won’t use plastic bags.
It’s easy to be a greener person.
Actions speak louder than words.
Easier said than done.
说起来容易做起来难。
事实胜于雄辩
Remember some English idioms and try to use them often.
Key phrases:
1.最好做某事
2.最好不做某事
3.短/长距离旅行
4.代替做某事
5.带着布口袋/塑料袋去购物
6.变成
7.改变主意
8.做出改变
9.把A倾倒入B里
10.毕竟
11.砍伐，削减
12.大声哭喊着求救
13.向某人求救
14.将有……
had better do sth
had better not do sth
travel a short/long distance
instead of （doing） sth.
go shopping with a cloth/plastic
change into
change one’s mind
make a change
pour A into B
after all
cut down
cry for help
ask sb. for help
There will be +n.
= turn to sb.
Would you like to be a greener person
请求建议句型：
1. Would you like to do sth
2. what/how about doing sth
3. Why not/ Why don’t you + do sth
4. Let sb do sth 让某人做某事
5. Sb had better do sth 某人最好做某事
1. You ought to shut off the electricity when you leave a room.
You should sort the garbage.
= You ought to sort the garbage.
(1) 否定句： ought not to do sth. = oughtn’t to do sth. 不应该做某事
= shouldn’t do sth.
(2) 一般疑问句： 把 Ought 提到句首。肯定回答： Yes，主语 + ought.
否定回答： No，主语 + oughtn not.
eg. You ought to tell her the bad news. （改为否定句）
____________________________________
We ought to go there. （改为一般疑问句）
____________________________________
You oughtn’t to tell her the bad news.
Ought we to go there
及时练习1
1. 你不应该睡得太晚。
You __________________ sleep late.
2. 他们应该把这件事告诉老师吗？
是的，他们应该。/ 不，他们不应该。
______ they _______ tell it to their teacher
= Should they tell it to their teacher
Yes, _____ _______. / No, they _______ _______.
shouldn’t/oughtn’t to
Ought to
they ought
ought not
shut off the electricity
— The radio is too loud. Would you mind _______
— Of course not. I’ll turn the radio off .
A. turn it down B. turning it down
C. to turn down it D. turning down it
turn on
turn off
turn up
turn down
B
开
关
调大
调小
2. It’s so easy to be a greener person.成为一个更环保的人如此简单。
It is/was+adj. + to do sth.句型中的it是形式主语，真正的主语是to be a greener person。
当形容词用来描述事物的性质、特征时，通常选用for, 这类形容词有easy, difficult, hard, important, necessary, possible, interesting等。
e.g:It’s very important for everyone to protect the environment.
类似的句型有It is/was+adj.+of+for sb. to do sth.。当用形容词来描述人的性格、特征、品质时，通常选用of, 这类形容词有good, kind, nice, wise, clever, foolish, right, wrong, careful等。
e.g.It’s nice of you to come.
3. Easier said than done. （词性一致：都用了过去分词）
To do well is better than to say well. （词性一致：都用不定式）Seeing is believing. （词性一致：都用了动名词）
及时练习2
1. It’s better to teach fishing than _____ fish.
A. offering B. to offer C. offer D. to offering
2. My bike is quite different from _______.
A. him B. he C. his D. his’s
3. The coats on the left look nicer than _____ on the right.
A. that B. it C. one D. those
B
C
D
4. Actions speak louder than words.
action 是 act 的名词形式
take action to do sth. “采取行动做某事”
类似于：
take measuers to do sth. “采取措施做某事”
练习：
1. We must take action ______ our mother earth immediately.
A. to protect B. protecting
2. The government ought to take measures _____ environmental pollution.
A. stopping B. to stop
A
B
You ______ ______(应该) throw the rubbish into the garbage.
You should ______ ______(关闭)the electricity when you leave a room.
You’d better walk or ride a bike ______ _____ (代替) taking a bus or a taxi if you travel a short distance.
It’s so ______(容易) to be a greener person.
_______ _____ _____ _____ ________.
(事实胜于雄辩)
ought to
shut off
instead of
easy
Actions speak louder than words
Writing:
随着全球环境的恶化，越来越多的人选择过低碳生活。请写一篇英语短文，倡议你的同学们加入低碳一族。
要点如下：1、节约用水，用纸；
2、去购物自备布袋；
3、随手关灯；
4、不要使用塑料袋，纸杯；
5、步行或骑自行车上学。
注意：1、次数80词左右，开头结尾已给，不计入总词数。
2、可适当增加细节，以使文章充实，连贯。
With the global warming getting worse, more people choose to live a low-carbon life for the purpose of reducing greenhouse gases. As students,
_______________________________________________________________
Let's take action and be a greener person.
审题谋篇：
（1）时态：使用一般现在时态
（2）人称：使用第一人称
（3）模板：
开篇点题
倡议内容
所感所思
First, we should ...
Second,we shouldn't...
Third, we ought to ...
Fourth, don't ...
Finally, we'd better ...
Summary
Thank You