1. Unit 13 We’re trying to save the earth.
Section A
善应镇南平中学 李娟 1

2. Objectives
To talk about air pollution, water pollution and sound pollution.
To think about ways of protecting the environment.
To learn the new words: advantage, scientific

3. Look at our earth!

4. The world's problems Pollution Endangered animals Natural
disasters
Desertification

5. Serious pollution the earth song by Michael Jackson !!!
noise pollution
air pollution
water pollution 伤害
We are harming our planet in so many ways.

6. Air pollution
Factories pour dangerous gases into the air.

7. cars smoking Cars also pour dangerous gases into the air.
Some people smoke in public places.
cars
smoking

8. Noise pollution
building houses
loud music

9. mobile phones
planes

10. Water pollution
factories
rubbish

11. littering
ships

12. Help save the earth We must think of better ways to
treat our planet in future.

13. You drink a can of cola. What do you do?
I recycle cans.
I throw away cans.
You throw away the cans. That’s bad for the Earth.
You recycle the cans.That’s good for the Earth.

14. I throw the old newspapers away. I recycle the old newspapers.
There are a lot of old newspapers at your home. What do you do?
I throw the old newspapers away.
I recycle the old newspapers.

15. You throw old newspapers away. You waste paper.
That’s bad for the Earth.
You recycle old newspapers.
You save paper. That’s good
for the Earth.

16. I use a lot of new plastic bags.
You go shopping. What do you do?
I use a lot of new plastic bags.
I use my own bag.

17. You use a lot of new plastic bags. That’s
bad for the earth.
You use your own bag. That’s good for the Earth.

18. When you write on a piece of paper, what do you do?
I write on both sides.
I write on one side only.

19. You use paper on one side only. That’s bad for the Earth.
You use paper on both sides. That’s good for the Earth.

20. solutions close down the factories; help to clean up the river;
take the bus or subway;
ride a bike;
bring a bag to go shopping, throw rubbish in the cans;
turn off the lights when you leave a room;
use paper or reusable bags;
recycle books and paper;
turn off the shower when you wash your hair;
don't use napkins;
rethink, reuse, recycle
solutions

21. Here are some words related to different kinds of pollution
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. 1a
loud music
cars
rubbish
planes
littering
ships
factories
smoking
building houses
mobile phones

22. Noise pollution Air pollution Water pollution
cars, factories, smoking, building houses (burning, power plants, nuclear waste disposal)
Loud music, planes, building houses, mobile phones (machines,
crowds)
rubbish, littering, ships, factories (sewage, industrial waste, pesticides)

23. 1b
Listen and complete the sentences.
what was the problem?
The river was _________. even the bottom of the river was full of ________. there were no more _____ for fishmen to catch.
really dirty
rubbish
fish

24. what caused the problem?
people are throwing _____into the river. Factories are putting _______ into the river.
How should the problem be solved?
We should write to the ________ and ask them to ___________ the factories. everyone should help ________to the river.
litter
waste
government
close down
clean up

25. Role-play the conversation
The river was dirty. Even the bottom of the river was full of rubbish.
But it used to be so clean!
Everyone in this town should play a part in cleaning it up!
Yes, but people are throwing litter into the river.

26. Practice Make conversations using the pollution in 1a.
The river has always been the nicest river in this town.
Yes, it used to be so clean.
But I was there last weekend and the river was really dirty.
What caused the problem?

27. What should we do?
People are throwing litter into the river.
Factories are also putting waste into the river.
Yes, everyone in this town should play a part.

28. We should write to the government and ask them to close down the factories.
What else can we do?
Everyone should help to clean up the river.

29. Language points 1. We’re trying to save the earth! 我们正在竭尽全力拯救地球!
try to do =try one’s best to do
努力去做某事。
Every student should try to study hard in
order to study in a university.
为了进入大学学习，每个学生都应该努力学 习。

30. 2. Here are some words related to different kinds of pollution.
be related to 与…有关
I am not related to him in any way.
我和他无任何关系。

31. 3. Everyone in this town should play a part in cleaning it up!
A good diet plays a large part in helping people live longer.
健康的饮食在帮助人们长寿方面起着非常大的作用。
play a part 在……中扮演角色
He was invited to play a part in this TV play. 他被邀请参加这个电视剧的演出。

32. 4. Even the bottom of the river was full of rubbish.
Yes, but people are throwing litter into the river.
litter和rubbish都可指“垃圾”，用作不可数名词。
rubbish指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。

33. litter指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收。
Throw the rubbish out.
把垃圾扔出去。 The room is full of rubbish.
房间里堆满了垃圾。 Pick up your litter after a picnic.
野餐后将废弃物收拾好。

34. Make a poster!
Save the earth!
The earth is badly polluted. Please make a poster and think of what we can do.

35. Review the new words and expressions.
Practice the conversation in 1d.