(共37张PPT)
Module 12 Save our world
Unit 1 If everyone starts to do something, the world will be saved.
1
课时导入
2
课文呈现
3
考点精讲
4
课堂小结
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
2. Listen and complete the sentences.
1．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
听力材料
Mr Jackson: Can anyone tell me what you can see in the first photo
Betty: There’s a factory, and it’s causing a lot of pollution.
Mr Jackson: Correct. So what can we do about it
Tony: Well, there should be some rules to stop the pollution.
Mr Jackson: What about the second photo
Daming: It’s a recycling centre. Waste products such as glass and paper can be recycled there.
Mr Jackson: Good. Why do we need to do that
Lingling: To save energy, I guess.
Mr Jackson: Great!
3. Listen and read.
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. ①
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. ②
温馨提示：此符号表示“考点精讲点拨”链接。
Betty: And there are so many cars on the roads. They use so much oil and cause pollution as well.
Daming: But we're only students. We can't do anything about factories and cars.
Betty: It's no use talking about things we can't do. ③ 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. ④ 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. ⑤
Tony: That's a good idea. Though pollution is heavy now, I don't think it's hopeless. ⑥ If everyone starts to do something, the world will be saved.
Everyday English
It's no use...
Such as...
Nice idea!
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
__________________________________________.
farmers can't use the water for their crops
spreads over cities and villages
use so much oil and cause pollution as well
What the students can do
4．Support a green school：every class _____________ which can be ____________________. Then the school _______________________________ to help students _____________．
5．Students learn ___________________________________. That means _________．
collects waste
recycled or used again
sells the waste and uses the money
in poor areas
ways to save energy and recycle at home
less waste
4. Complete the passage with the correct form of the words in the box.
Pollution is our great (1) ________. Pollution from (2) ________ is a danger to our health, and may even (3) ________ people. Factories sometimes (4) ________ the rivers, and farmers cannot use the water for their crops. Pollution (5) ________ over cities and villages, and that (6) ________ even more danger. Cars use a lot of (7) ________ and cause pollution too.
enemy
factories
kill
pollute
spreads
causes
oil
cause enemy factory kill oil pollute spread
5. Listen and mark the words which the speaker links.
1．After our lesson on the environment, I'm worried about
the future.
2．Students at a green school also learn ways to save
energy and recycle at home.
Now listen again and repeat.
Pronunciation and speaking
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.
考题在线1：If the air is ___________(pollute), it is dangerous and will do harm to our health. [黔西南改编]
polluted
考题在线2：The Chinese government has done a lot to control plastic _____________(污染) in big cities. [连云港]
pollution
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温馨提示：可返回原文
danger /'de nd (r) / n. 危险
e.g. Running a red light is a danger to us.
闯红灯对我们来说是危险的。
The police always help people out of dangerous situations.
警方总是帮助人们脱离险境。
考点2
be a danger to ... “对……有危害”，相当于“be bad for/be harmful to”。
adj. 有危险的
be in danger of 有……的危险
be in danger 处于危险中
be out of danger 脱离危险
知识点
2
Pollution is a danger to our health.
考题在线3：It’ s reported that polar bears are ___________ because of global warming (全球变暖). [连云港]
in danger
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It’s no use doing... 做……是没有用的。
e.g. It’s no use staying here. We must do something.
待在这儿没有用。我们必须做点什么。
It’s no use watching too much TV.
(=There is no use watching too much TV.)
看太多电视是没用的。
考点3
it 是形式主语，v. -ing 作真正主语。
相当于“There is no
use doing...”。
知识点
3
It’s no use talking about things we can’t do.
it 作形式主语，动名词（短语）作真正主语的句式：
It is a waste of time/a waste of money/no good/fun doing sth.
做某事是浪费时间/浪费金钱/没有好处/有趣的。
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
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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.
waste 作动词，意为“浪费；滥用”。其常用搭配：
waste time （in）doing sth. 浪费时间做某事
waste money on sth. 浪费金钱在某物上
Don’t play computer games. It’s a waste of time.
不要玩电脑游戏, 它浪费时间。
You shouldn’t waste money.
你不应该浪费钱。
Throwing away waste paper is wasteful.
扔掉废纸是浪费的。
n. 浪费
v. 浪费
adj. 废弃的
adj. 浪费的
考题在线5：It’s a waste of time _________(talk) with him, because he never listens.
talking
考题在线6：Don’t ______ any more time, or we will miss the meeting.
A. save B. trust C. waste D. love
【点拨】词义辨析法。由“we will miss the meeting”可知前面句意为“不要再浪费时间了”。
C
节省 相信 浪费 爱
recycle /ri 'sa kl/ v. 回收利用, 再使用(废品)
e.g. Many things can be recycled.
许多东西都可以被回收利用。
Recycling is a good way to protect the environment.
回收利用是一个保护环境的好方法。
考点5
名词，意为“回收利用”。
前缀re- 表示“重复，再”，常见带前缀re-的单词还有rewrite（重写），rebuild（重建）等。
考题在线7：Yueda Group has found a way to ______ the waste and doesn’t put it into the river any more. [盐城]
A. produce B. recycle
C. require D. protect
【点拨】用前后对比法解题。句意为“悦达集团已经找到一种回收利用废物的方法, 而且不用再把它倒入河里”。分析四个选项可知“回收利用”符合句意。
B
生产
回收利用
需要
保护
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less /les/ adj. 较小的; 较少的 n. 较少数; 较少量
e.g. He spends less time(in) doing experiments.
他做实验花时间较少。
She gives them less to eat in summer.
她在夏天给它们吃较少的东西。
考点6
less than意为“少于，小于”，其反义词组为more than。
知识点
5
That means less waste.
辨析：less, fewer 与more
less 更少的，little的比较级，修饰不可数名词。
fewer 更少的，few的比较级，修饰可数名词复数。
more 更多的，many/much 的比较级，修饰可数名词复数或不可数名词。
考题在线8：Credit cards(信用卡) matter a lot _______ than before. We usually pay with smart phones now. [营口]
A. little B. fewer C. less D. more
C
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hopeless /'h pl s/adj. 无望的
e.g. We tried to stop the flames from spreading, but we knew it was hopeless.
我们试图阻止火势蔓延,
但是我们知道这希望渺茫。
考点7
名词 + 形容词后缀 -less
名词 + 形容词后缀 -ful
hopeless → hopeful
harmless → harmful
useless → useful
careless → careful
知识点
6
... I don’t think it’s hopeless.
考题在线9：He felt ______ as soon as he heard the bad news, so he gave up fighting.
A. unusual B. enjoyable
C. hopeful D. hopeless
D
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本节课主要学习了：
重点单词：factory, pollute, recycle, waste enemy, crop, oil, less, hopeless
进一步了解怎样保护环境; 掌握一些构词法。
知识是力量，
梦想是翅膀。
