1. 九年级上册

2. 12 Save our world Unit 2 Repeat these three words daily:
Module 12
Save our world
Unit 2
Repeat these three words daily:
reduce, reuse and recycle.

3. Revision 1. at a green school 在环保学校 2. collect waste 收集废品
3. sell the waste
卖废弃物
4. in poor areas
在贫穷地区
5. learn ways to
学习…的方法
6. Save money and recycle
节约钱并回收
7. start to do something
开始做些某事

4. The beautiful earth is our home.
Warm up
The beautiful earth is our home.
Do you love to live here?

5. Green environment

9. Can you imagine that this is the water
they drink every day?
Water pollution

10. Air pollution

11. Wood cutting

12. deforestation
garbage
starvation
desertification

13. most serious
problems

14. Reduce local products products from abroad
Look at the pictures. Say which things are better for the environment and why.
Reduce
local products
products from abroad
It’s better for people to buy local products than products from abroad because it wastes energy to bring foreign products to China.

15. Reuse paper cup china cup paper box lunch box
It’s better to use a reusable box and
china cup instead of paper box and cup because they can be used again. Paper
cups can only be used once and have
to be thrown away.

16. Recycle
recycle
burn
It’s much better to recycle used things than to burn them. In this way, we can use less energy; also, burning pollutes the air.

17. New words and expressions
china
/'tʃaɪnə/
瓷器 n.
divide
分开 v.
/dɪ'vaɪd/
塑料 n.
塑料的 adj.
plastic
/'plæstɪk/
policy
/'pɒləsɪ/
政策；方针 n.
reuse
/ri:'ju:z /
再次使用；重复利用 v.
bottle
瓶 n.
/'bɒtl/

18. 丢掉；丢弃
throw away
/rɪ'pi:t /
repeat
重说；重新做 v.
reduce
减少；降低；缩小 v.
/rɪ'dju:s /
cloth
/klɒθ/
布；布料 n.
/tʌn/
吨 n.
ton
许多；很多
tons of

19. /'rʌbə/
橡胶 n.
rubber
/ri:'saɪklɪŋ/
回收利用 n.
recycling
rapid
快速的；迅速的 adj.
/'ræpɪd/
step
/step/
步骤；措施 n.
grandson
/'grænsʌn/
(外)孙子 n.
(外)孙女 n.
/'grændɔ:tə/
granddaughter

20. china瓷器
bottle瓶
plastic塑料

21. throw away丢掉；丢弃
cloth布；布料

22. Reading and vocabulary
Look at the pictures on the next page. Say which ways are good
for the environment and why.
It’s better to use a reusable bowl and china cup instead of paper box and cup because they can be used again. Paper cups can only be used once and have to be thrown away.

23. It’s better to divide the rubbish, rather than throw them into river because it may pollute the environment and do harm to our health.

24. 2. Look at the title of the passage. What
suggestions do you think the passage
will make? Use the words in the box to help
you.
china, divide, necessary, plastic, policy, reuse,
It is better to use china cups and bowls because
they can be used many times.
It’s better to use a plastic lunch box and a china cup because you can use them again.

25. Watch and read

26. 3. Read the passage and answer the
questions in the first part.
How to be green
By Wang Lingling
How green are you? Answer these questions and find out.
● Do you walk or ride a bike to school?
● Do you buy new clothes just because they
are modern?
● Do you turn off the lights when you
leave the room?

27. ● Do you take your own bag when shopping
and not ask for a plastic bag?
● Do you buy drinks in bottles? And
what do you do with the bottles when they
are empty?
● Do you divide the waste into things to recycle
and things to throw away?
We all need a healthy environment, but we produce waste every day, and it is harmful to our environment. Repeat these three words daily: reduce, reuse and recycle.

28. Reduce
Reduce means “use less”. Do not waste things. It saves money and causes less pollution. Do not order more food than you can finish. Turn off the lights when you do not need them. Before you buy something new, think whether it is really necessary, because maybe the old one is
just as good!
Reuse
Reuse means “use again”. Use things for as long as possible. Look after them so that
they will last. Repair them if possible. Do

29. not throw them away and buy new ones
not throw them away and buy new ones. Do not use paper cups or paper bags. It is better to use china cups and cloth bags because they can be used many times.
Recycle
Recycle means “change things into something else to be reused”. Although it takes energy to change things into something else, it is better than throwing things away or burning them. We throw tons of rubbish away each year, and we have to stop. Divide your rubbish

30. into plastic, glass, paper and rubber. Develop a
recycling policy for the whole community.
Buy products such as recycled paper to
help save trees.
We cannot hope for rapid change, but let’s take these simple steps today so that we will save the world for our grandsons and granddaughters tomorrow.

31. Language points 1. Do you divide the waste into things to recycle
and things to throw away?
你将废品整理回收或者扔掉呢？
(1). divide分开，分离
It will be the easiest way if we divide them into
groups.
如果我们将它分成小组将是最简单的
拓展：
1). divide in …half 把…分成两份。

32. Divide the pastry in half and roll out each piece.
那油酥面团一分为二，再分别擀成面皮
2). divide …between/among sb. 在…之间分配…
Let’s divide the cake between/among us.
我们把这块蛋糕分了吃吧。
(2). throw away丢掉丢弃
When are you going to throw away those
magazines?
你打算什么时候丢掉这些就杂志？

33. 2. …but we produce waste every day.
但是我们每天生产垃圾。
★everyday (adj.) 每天的，每日的
★every day (adv.) 在句中作状语
Computers are part of our everyday life.
现在电脑已经是日常生活的一部分了。
She reads English aloud every day.
她每天都大声朗读英语。

34. 3.reduce
(1). 减少;缩小;降低
He is trying to reduce expenses.
他正试图减少开支。
(2). 使处于(某种状态);使化为,使变为 [(+to)]
The fire reduced the paintings to ashes.
大火将这些画烧成了灰烬。

35. 4. …and it is harmful to our environment.
对我们的环境有害。
be harmful to对…有害
Fruit juices can be harmful to children's teeth. 果汁可能损坏儿童的牙齿。
拓展： do harm to 对……有害
The trials show that smoking will do harm to people.试验显示抽烟对人体有害。
do good to 对……有好处
Exercise will do good to your health 锻炼将对你的健康有益。

36. 5. Before you buy something new, think whether it is really necessary.
在你买新东西以前，先想一下它是否有用。
necessary a.
(1). 必要的,必需的[(+for/to)]
Oxygen is necessary for life.
氧气是生命所必需的。
(2). 必然的,无法避免的
Poor health is a necessary result of over-exertion.
体弱是过度劳累的必然结果。

37. 6. Use things for as long as possible.
尽可能长时间去使用这些东西。
★ as …as 和……一样
Flowers are as beautiful as butterflies.
花儿和蝴蝶一样漂亮。
★ be not so …as 和……不一样
He is not so tall as his brother.
他不像他哥哥那么高大。

38. 7. Recycle means “change things into something
else to be reused”.
把东西转换成其他可以使用的东西
change into 把...变成
They are changing desert into farmland.
他们正在使沙漠变为农田。
The ugly caterpillar will change into a beautiful butterfly. 丑陋的毛虫会变成美丽的蝴蝶。

39. 8. take energy 消耗能量
Running every day takes energy of your body so you can stay slim.
每天跑步消耗身体的能量，所以你就能保持苗条。
9. be better than doing 比……好
Recycling is better than throwing
things away. 回收物品比扔掉好。

40. 10. …but let’s take these simple steps today…
今天就让我们从简单的措施开始吧…
take step to do sth. 采取措施做某事
They are taking step to improve their teaching
 condition. 
他们正采取措施以改善教学条件.
He says he will take step to tighten up the 
administration. 
他说他将采取措施加强行政管理。

41. 4. Check (√) the suggestions that are mentioned
in the passage.
1. Order food that you can finish.
2. Use less electricity at home.
3. Learn ways to recycle rubbish.
4. Use paper cups and bags.
5. Repair things.
6. Divide rubbish into different groups.
7. Collect waste or rubbish to raise money.
8. Burn things to save energy.

42. 5. Find two things you should do and two things you should not do in the passage. Give reasons. Use your answers to write sentences.
We should recycle rubbish because it can help us protect the environment.
We shouldn’t buy the latest fashion because it waste energy to make them. We should not burn things because it pollutes our air and costs energy.
We should use less paper cups and bags because it does harm to the environment.

43. 6. Complete the passage with the correct form of
the words in the box.
divide, granddaughter, plastic, policy,
rapid, recycle, repeat, step, ton
tons
We throw away (1) ______of rubbish every year. If we want a clean world for our grandsons and (2) _______________, we have to reduce, reuse and (3) _______.
(4) ________these three words every day. The first (5) ______ is to use less.
granddaughters
recycle
Repeat
step

44. The second is to use things as long as possible
The second is to use things as long as possible. Then (6) _______your rubbish into
(7) ________, paper, rubber and glass. Finally, draw up a recycling (8) ________for your community. We cannot hope for (9) _______
change, but every little bit helps!
divide
plastic
policy
rapid

45. Writing 7. Work in pairs. Make a list of things you can
do to make your school greener.
Don’t throw bottles away.
Don’t throw glass bottles, newspaper, old clothes, drink cans, old electric equipments away.

46. 8. Write a passage on how to make your school
greener and give reasons. Use the list
you have made in Activity 7 to help you. Use
because , so and so that .
Don’t throw bottles away... because it is better to recycle them.
Do turn out lights so that you use less energy. Try to use recycled paper because it save energy.

47. Exercises 根据句意及汉语意思完成句中单词。 Even the simplest everyday activities can
_______(减少) pollution.
2. I think it’s__________(必要的) for us to
master a foreign language.
3. My computer doesn’t work. I have to get
somebody to ______________(修理) it.
4. He bought a ______(旧的) car.
5. Please_______(重复) what I say.
reduce
necessary
repair/mend
used
repeat

48. 6. We’d better take our own cloth bad
instead of using_______(塑料的) bags.
7. Petrol is the most important_______(产品)
of many Middle-East countries.
8. Develop a recycling_________(策略) for
your country.
9. We can _________(重新使用) the same
water after chemical treatment.
10.______(分开) rubbish into groups.
plastic
product
policy
reuse
Divide

49. Homework
Finish the exercises in the workbook.