英语人教版九年级全册Unit 13 section A-1(1a-1c).ppt

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1、Unit13We’retryingtosavetheearth!SectionA1a-2dWhat kinds of pollution do you know?Whatcausedthepollution?DiscussionLookatthesepicturesandthentellwhatpollutionitis?Whatisthekindofpollution?Theoveruseofcarsisbecomingoneofthemajorcausesofairpollution.Whatisthekindofpollution?Whatisthekindofpolluti

2、on?noisepollutionrubbish(垃圾）pollutionWhatisthekindofpollution?noisepollutionwaterpollutionairpollutionlandpollution噪音污染水污染空气污染土地污染loudmusiccardsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephoneReadthesewordsandputthemintotherelatedpollution.1aNoisepollution:loudmusic,planes,

3、buildinghouses,mobilephonesWhatotherreasonsdoyouknow?machines,crowdsAirpollution:cars,factories,smoking,buildinghousesWhatotherreasonsdoyouknow?burning,powerplants,nuclearwastedisposalWaterpollution:rubbish,littering,ships,factoriesWhatotherreasonsdoyouknow?sewage,industrialwaste,pesticidesLis

4、tenandcompletethesentences.1.Whatwastheproblem?Theriverwas__________.Eventhebottomoftheriverwasfullof_______.Therewerenomore____forfishermentocatch.reallydirtyrubbishfish1b2.Whatcausedtheproblem?Peoplearethrowing______intotheriver.Factoriesareputting______intotheriver.3.Howshouldtheproblembeso

5、lved?Weshouldwritetothe___________andaskthemto__________thefactories.Everyoneshouldhelpto________theriver.litterwastegovernmentclosedowncleanup1C.Role-playtheconversationwithyourpartnerbyusingtheinformationin1a.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoc

6、lean!Mark:Yes,butpeoplearethrowinglitterintotheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!Forexample:1.Ithinkpeoplearethrowinglitterintotheriver.littern.垃圾，废弃物It iswrongto leave one's litter in publicplaces.在公共场所遗弃杂物是不对的。Litter coveredthecinemafloorafterthefilm.电影结束后，影院的地上满是垃圾。

7、clean/pickuplitter清除/收拾杂物drop/leavelitter乱扔杂物aterriblelitter乱七八糟的一大堆alitterofmagazines乱七八糟的一堆杂志litter指公共场所丢弃的小片/块垃圾，如纸片、塑料袋、易拉罐、饮料瓶等。rubbish指必须及时清除的剩余物，比如厨房里的垃圾，生活垃圾等等。waste作名词用时可表“废物”的总称，可指“荒地”，也可指“废品、废料”。词义辨析：litter,rubbish和waste—Don’