九上U2T1SC (2).ppt

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1、Do you like it?Why?Is noise is a kind of pollution or not?Can you tell me any kinds of noise pollution?Discuss these phrases,check which is pollution and talk about what kind of pollution it is.Producing electricity by windTalking loudly after classLaughing loudly at the cinema Smoking in publicPlay

2、ing loud rock music at midnightBurning wood,gas,oil and coalListen and answer the following questions.Does the writer think noise is a kind of pollution?Yes,he does.Is it harmful to humans health?How do you know?Yes,it is.Because people who work and live in noisy conditions may go deaf.Read the pass

3、age again,find out the topic sentences.Paragraph 1:Paragraph 2:Paragraph 3:Noise is also a kind of pollution and is harmful to humans health.People who work and live in noisy conditions go deaf easily.Many countries are trying to solve these pollutions.1CDiscuss which paragraphs of 1a the following

4、statements belong to.People working in a sawmill for a long time may go deaf.China is trying to solve the problems of noise pollution.There are many kinds of pollution in the world.Building houses at night disturbs the people nearby.(2)(3)(1)(2)1.对对.有害有害2.不是所有不是所有3.变聋变聋4.很多很多5.听力丧失听力丧失6.据报道据报道7.和和.一

5、样坏一样坏 不比不比.好好8.在公共场合制造噪音在公共场合制造噪音9.导致某人做某事导致某人做某事10.努力做某事努力做某事11.各种各样各种各样12.环境问题环境问题be harmful to=do harm tonot allgo deafquite a fewhearing lossIt is reported thatno better than=make a loud noise in publiccause sb.to do sth.try to do sth.all sorts ofenvironmental problemsas weak as as bad/badly as1

6、b Reading 1a again and then finish the following tasks.1.Give a proper title to this passage._2.Change the following sentences into ones that have the same meanings.a.Not all people know that noise is also a kind of pollution._ _ _ know(s)noise is a kind of pollution _ _._ _.b.Many teenagers in Amer

7、ica can hear no better than 65-year-old people do.In America,many teenagers hearing is _ 65-year-old peoples.Noise PollutionNot everyoneas wellas weak as3.Which of the following can do harm to peoples hearing?Check them.()a.printing newspapers and books()b.living near airports()c.throwing rubbish ar

8、ound()d.making a lot of noise in public()e.living very close to a busy street()f.listening to loud music用所给词的适当形式填空。用所给词的适当形式填空。1.It was _(report)that Liu Xiang would take part in the next Olympics.2.Look!There is a little boy _(play)3.soccer on the playground.4.Noise pollution can cause people_(become)sick or deaf.4.Its a pity that such a beautiful lake _ (go).5.People who work and live in _ (noise)conditions may go deaf.reportedplayingto becomehave gonenoisyLets protect our earth!