九年级英语单元PPT课件

《九年级英语单元PPT课件》由会员分享，可在线阅读，更多相关《九年级英语单元PPT课件（20页珍藏版）》请在装配图网上搜索。

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 pollu

2、tionThere 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 _

3、carsair pollution _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

4、 was the problem? 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 _

5、the factories. Everyone 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 thi

6、s town should play a part in cleaning it up! Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.1c1c第10页/共20页2a2aListen to the interview. Circle the kinds of pollution that Jason andSusan talk about. A. land pollution B. air pollution C. noise pollution D

7、. water pollution第11页/共20页1. The air 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 beautifu

8、l parks into ugly places.more carspolluteare throwing awaypublic places2b2b 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

9、去是如此干净。 【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

10、13页/共20页 Language 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

11、10. used to be过去是过去是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

12、to find a way to pick up the 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页第19页/共20页感谢您的观看。第20页/共20页