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(共24张PPT)
Module 12 Save our world
Unit 1 If everyone starts to do something, the world will be saved.
What can we see from the pictures
1. Work in pairs. Look at the pictures and talk about them. Use the words in the box to help you.
listening and vocabulary
factory　pollute　recycle　waste
water pollution
rubbish pollution
light pollution
noise pollution
Work in pairs. Look at the pictures and talk about them. Use the words in the box to help you.
factory pollute recycle waste
Pre-listening
1
1.Work in pairs. Look at the pictures and talk about them. Use the words in the box to help you.
The factory is causing a lot of pollution.
Some wastes can be recycled in this factory.
factory pollute recycle waste
Task 1
新课讲授
Listen and complete the sentences.
The factory is causing a lot of __________.
2. There should be some ________ to stop the pollution.
3. We can _______ waste products, such as _______ and paper in a recycling centre.
pollution
rules
recycle
glass
Task 2
Lingling: After our lesson on the environment, I’m worried about
the future. Pollution is our great enemy, and we have to
fight it. If the rivers are polluted, farmers can’t use the
water for their crops.
Tony: And in some places, pollution from factories spreads over
cities and villages. It makes people ill, and may even kill
them. Pollution is a danger to our health.
Betty: And there’re so many cars on the roads. They use so much
oil and cause pollution as well.
Listen and read.
3
Daming: But we are only students. We can’t do anything about factories and cars.
Betty: It’s no use talking about things we can’t do. We’ve got to think of things we can do!
Daming: Such as…
Lingling: Do you think we can make our school a green school
Daming: What’s a green school
Lingling: At a green school, every class collects waste which can be recycled or used again. Then the school sells the waste and uses the money to help students in poor areas.
Daming: Nice idea!
Betty: Students at a green school also learn ways to save energy and recycle at home. That means less waste.
Tony: That’s a good idea. Though pollution is heavy now, I don’t think it’s hopeless. If everyone starts to do something, the world will be saved.
It’s no use …
Such as …
Nice idea!
Read and find them in the conversation.
Now make dialogues with them.
Everyday English
1. A: I want to be a scientist when I grow up.
B: Then you need to work hard now. It’s no use talking without doing.
Examples
1. at a green school 在环保学校
2. collect/sell the waste 收集/卖废品
3. make ill 致病
4. in poor areas 在贫穷地区
5. cause pollution 引起污染
6. save money and recycle 节约钱并回收
7. start to do something 开始做些某事
8. a danger to 对...威胁
9. save energy 节约能源
10.It's no use doing... 干某事是无用的
Important Phrases
Now complete the notes.
Pollution problems
1.If the rivers are polluted, ____________________________
___________.
2. In some places, pollution from factories________________
___________________________________________________.
3. The cars on the roads _______________________________
____________.
their crops
farmers can’t use the water for
spreads over cities
use so much oil and cause pollution
as well
and villages. It makes people ill, and may even kill them
6. Work in pairs. List the pollution problems in your place. Choose one problem and say what should be done about it.
—The air pollution in our city is
getting worse. What can we do to stop it
—I think we can ride our bicycles
to school more.
pollute /p 'lu t/ vt. 污染
e.g. Don’t pollute the water. 不要污染水。
Air pollution is a serious problem.
空气污染是个严重的问题。
Don’t pour the polluted water everywhere.
不要把受污染的水到处倒。
考点1
pollution
是不可数名词
pollute v.
pollution n.
polluted adj.
知识点
1
If the rivers are polluted, farmers can’t use the water for their crops.
思 考
新课讲解
6
Work in pairs. List the pollution problems in your place. Choose one problem and say what should be done about it.
—The air pollution in our city is getting worse. What can we do to stop it
—I think we can ride our bicycles to school more .
新课讲解
Sample
—The water are polluted, farmers can’t use them to water their crops .We should stop the factories from polluting the river.
—I agree. And we should stop them from polluting the air as well.
6. Work in pairs. List the pollution problems in your place. Choose one problem and say what should be done about it.
—The air pollution in our city is getting worse.
What can we do to stop it
—I think we can ride our bicycles to school more.
Language Points
1. Pollution is our great enemy. 污染是我们的大敌。
2) pollute v. 污染；弄脏
Don’t pollute our rivers with waste.
1) pollution n. 污染；污染物
The air pollution has become a big problem.
空气污染已成为大问题。
3) polluted adj. 被污染的
Many rivers are polluted now.
Review the conversation and answer the questions.
1. According to the conversation, what is our great enemy
A. Waste. B. Pollution. C. Illness.
2. According to the conversation, what can we do to save our world
A. We can take a bus instead of driving a car.
B. We can do something about pollution from factories.
C. We can make our school a green school.
Listening and vocabulary
3. How many pollution problems are mentioned
A. Two. B. Three. C. Four
4. What are they mainly talking about
A. Polluted rivers and factories, and pollution on the road.
B. Heavy pollution and how to save our world.
C. Pollution problems and what we can do to fight it.
Listening and vocabulary
考题在线4：It’s no use ________ back to one’s lost youth.
A. look B. looked C. looking D. to look
【点拨】固定句型法。It is no use doing sth. 做某事是没有用的, 是固定句型。
C
返回
waste/we st/ n. 废料; 废弃物; 浪费
e.g. Don’t throw away the waste everywhere.
不要到处乱扔垃圾。
考点4
知识点
4
At a green school, every class collects waste which can be recycled or used again.

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