课件34张PPT。Unit 1Save our worldModule 12 If everyone starts to do something,
the world will be saved.课文呈现知识讲解…………Module 12 Unit 1课堂导入12课堂小结课堂练习课后作业…What can we see from the pictures?1listening and vocabulary
Work in pairs. Look at the pictures and talk about them. Use the words in the box to help you. factory pollute? recycle? waste知识点1pollute/p?'lu?t/ vt.污染；弄脏；玷污；
败坏 (品德等)eg：The river has been polluted by waste products from the factory.
这条河已经被工厂排放的废料污染。
The violent films pollute the minds of the young people.
暴力电影毒害着年轻人的思想。典例我们应该采取措施治理污染。
We should take measures to deal with ________. pollution辨析：pollute, pollution与polluted考向 知识点2recycle/ri?'sa?kl/ v.回收利用，再使用(废品)考向前缀re-表示“重复，再”，常见带前缀re-的单词还有rewrite(重写)，repeat(重说)，rebuild(重建)等。eg：Denmark recycles nearly 85% of its paper.
丹麦的纸张回收率近85%。2Listen 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.pollutionrulesrecycleglassMr 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?听力材料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! 知识点3waste/we?st/ n. 废物；浪费waste作动词，多是及物动词，意为“浪费；滥用”，用于waste ...on ...或waste...(in) doing sth.。考向一 eg：They are working hard to turn waste into useful materials.
他们正努力工作把废物变成有用的材料。考向二 waste作形容词，意为“废弃的，荒芜的”。 eg：We should recycle waste paper.
我们应该回收利用废纸。eg：She always wastes her time (in) watching TV.
她总是把时间浪费在看电视上。考向三 waste作名词，意为“白费”。
eg：It's a waste of time to look for the plane.
寻找那架飞机是白费时间。拓展wasteful 形容词，“浪费的”的意思。
eg：Throwing away waste paper is wasteful.
扔掉废纸是浪费的。3Listen 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.
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 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.? 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.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 cropsspreads over cities and villagesuse 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 wasterecycled or used againsells the waste and uses the moneyin poor areasways to save energy and recycle at homeless waste知识点4It's no use talking about things we can't do.考向【重点】 It's no use doing...做……是没有用的。相当于There is no use doing...或It's useless doing.../to do...或 It's of no use doing...。谈论我们不能做的事是没有用的。eg：为你的错误，责怪别人是没有用的。
It's no use blaming others for your mistake.
＝ It is useless blaming/to blame others for your mistake.
＝ It is of no use blaming others for your mistake.
＝There is no use blaming others for your mistake.知识点5less /les/adj.较小的；较少的 n.较少数；
较少量考向一 less常用来修饰不可数名词。
eg：He spends less time (in) doing experiments.
他做实验花时间较少。典例All of us want to do more work with ________ time and ________ workers. (湖北荆门)
A．fewer; less B．less; fewer
C．more; much D．less; moreB
【点拨】语境暗示法。本题意思是用“更少的”时间和工人干“更多的”事情，根据语境知，应用比较级。注意time是不可数名词，用less修饰；而workers是可数名词，用fewer修饰。
less作名词用，表示“较少量”、“较少数”之意。
eg：She gives them less to eat in summer.
她在夏天给它们较少的东西吃。考向二 4Complete 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.enemyfactorieskillpollute spreads causes oil cause enemy factory kill
oil pollute spread5Pronunciation and speaking
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.6Work 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. 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。一、根据句意及汉语提示完成单词
1.The doctor said the old man’s condition was （没 有希望的）.
2.People have built lots of small （制造厂） in my hometown.
3.（中考·宁夏）Why do you （浪费） your money on useless things？
4.I think pollution is our great （敌人）.hopelessenemyfactorieswaste 5.Polluted water can （杀死） people.kill二、用所给词的适当形式填空
6.A （waste） person is one who wastes things.
7.We should stop people from （pollute） our environment.
8.It's no use （talk） to him.
9.The pollution of the countryside is （little） than that of the city.wasteful pollutingtalkingless
10.Some people think that boy is （hope）， because he isn't clever.
三、同义句转换
11.Don't worry about your mother.She will be better soon.
Don't your mother.She will be better soon.
12.It's no use beating him；he is only a five-year-old boy.
It's no him；he is only a five-year-old boy.hopelessbe worried aboutgood beating13.（N） We must stop the children from playing football
on the road.
We must the children . football on the road.
14. Too much oil can cause pollution as well.
Too much oil can cause pollution， .
15. Though she is only three，she can dress herself.
she is only three，she can dress herself.too keep from playing Although四、单项选择
Let's try our best to paper to save the trees.
A.use B.make C.recycle D.waste
17.（德州）—Who is your favourite singer， Mike？
—TF Boys. They are very boys and girls.
A.proud of B.popular with
C.strict with D.worried aboutCB18.The girl in plain clothes， was wonderfully calm in the face of danger，was just sixteen years old.
A. when B. which C. what D. who
19.（中考·成都）Don't worry. We have food in the fridge now.
A. much B.many C.little
20.（模拟·天津）We should also buy products made from recycled materials， recycled paper，to help save trees.
A.such as B.if possible C.in fact D.as well
AAD必做：1.熟记本课时的词汇。
2.背诵教材P97④的内容。
