九年级英语单元.pptx

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1、第1页/共20页 Factories produce too much dangerous smoke.The traffic produces too many gases.Some people smoke in public places.第2页/共20页air pollutionThe factories that burn coal pollutethe air with a lot of black smoke.n.煤炭第3页/共20页Factories put waste into the river.water pollution第4页/共20页noise pollutionT

2、here are more cars on the road.第5页/共20页litter v.乱扔乱扔 n.垃圾垃圾rubbish，waste垃圾，废弃物垃圾，废弃物People should throw away litter in the bin.n.垃圾箱land pollution第6页/共20页1aHere are some words related to different kinds of pollution.Write them in the box below.Then add more words.第7页/共20页noise pollution _carsair pol

3、lution _water pollution _loud musicplanesmobile phonesfactoriescarssmokingshipsfactorieslitteringrubbishbuilding housesbuilding housesloud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phones第8页/共20页1b.Listen to the tape and complete the sentences.What was the prob

4、lem?The river was _.Even the bottom(底部）of the river was full of _.There were no more _ for fishermen to catch.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.E

5、veryone should help to _ the river.really dirtyrubbishfishlitterwastegovernmentclose downclean up第9页/共20页Mark:The river was dirty.Even the bottom of the river was full of rubbish.Tony:But it used to be so clean!Mark:Yes,but people are littering in the river.Tony:Everyone in this town should play a p

6、art in cleaning it up!Role-play the conversation.Then make your own conversations about the kinds of pollution in 1a.1c第10页/共20页2aListen to the interview.Circle the kinds of pollution that Jason andSusan talk about.A.land pollution B.air pollution C.noise pollution D.water pollution第11页/共20页1.The ai

7、r is badly polluted because there are _on the road these days.2.Factories that burn coal also _ the air with a lot of black smoke.3.There is also too much rubbish and waste.People _things every day.4.People are also littering in_ like parks.This turns beautiful parks into ugly places.more carsmore c

8、arspollutepolluteare throwing awayare throwing awaypublic placespublic places2b Listen again and complete the sentences.第12页/共20页 1.We are trying to save the earth.我们正在努力拯救地球。【解析】try doing sth 尝试做某事（不一定付出很大努力）try to do sth 尽力做某事（强调付出一定的努力设 法完成）想一想?尽某人最大的努力做某事 try_ 2.But it used to be so clean.但它过去是如

9、此干净。【解析】used to 的意思是 _,其中to是不定式符号，不是 介词，所以其后要接_。be used to 的意思是_，其中to是介词，其后要接 _ 【合作探究合作探究】ones best to do sth.习惯干某事过去常常做某事动词原形doing2.He _ go out with his parents,but now he _ staying at home alone.A.used to;is used to B.is used to;used to C.use to;is used to D.is used to;is used to第13页/共20页 Language

10、 Points1.try to do=try ones best to do 努力去做某事努力去做某事2.rubbish,litter,waste 垃圾垃圾,废物废物3.the bottom of the river 河底河底4.be full of 充满充满5.fisherman-fishermen 渔民渔民6.throw litter into the river 把垃圾扔到河里把垃圾扔到河里7.ask sb.to do 要求某人干某事要求某人干某事8.close down the factories 关闭工厂关闭工厂9.clean up 打扫打扫10.used to be过去是过去是11

11、.play a part in参与，在参与，在中扮演角色中扮演角色12.throw away 扔掉，抛弃扔掉，抛弃13.turninto 把把变成变成 第14页/共20页Review present progressive(现在进行时）,passive voice（被动语态）,used to 用法Think about ways of protecting the environment.第15页/共20页1.We should not throw_（垃圾）（垃圾）in the river.2.The teacher asked us to find a way to pick up the

12、coins at the _（底部）（底部）of the bottle.3.There are no more fish for _（渔夫）（渔夫）to catch in the river.【当堂检测】litterbottomfisherman第16页/共20页III.根据汉语意思完成下列句子。1.工厂正在往河里排放废物。Factories _ _ _ in the river.2.两年前这条河被污染了。The river_ _ two years ago.3.甚至河底满是垃圾。Even _ _ _ the river was full of rubbish.was polluted are pouring waste the bottom of第17页/共20页1.Review the new words and expressions youve learned today.2.Make a poster.Talk about how to protect our environment,find out as many ways to solve pollution problems as possible.第18页/共20页Bye ByeBye Bye第19页/共20页感谢您的观看。第20页/共20页