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1、Unit13SectionAPeriod1(1a—2d)Let’senjoyasongTheEarthSong.Whatcanyougetfromthesong?Whatdoyouthinkofthesong?Lookatthefollowingpicturesanddiscusspollutionproblemandwhatyoucandoaboutpollution.rubbish(垃圾)pollutionwaterpollutionnoisepollutionairpollutionTheoveruseofc
2、arsisbecomingoneofthemajorcausesofairpollution.Lookatthesepicturesandthentellyourpartnerwhatyouthinkabout.Whatisthekindofpollution?Why?Whatisthekindofpollution?Why?Whatisthekindofpollution?Why?What kinds of pollution do you know?Whatcausedthepollution?Discussi
3、onloudmusiccardsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephoneReadthesewordsandputthemintotherelatedpollution.1aNoisepollution:loudmusic,planes,buildinghouses,mobilephonesWhatotherreasonsdoyouknow?machines,crowds,vehiclesAirpollution:cars
4、,factories,smoking,buildinghousesWhatotherreasonsdoyouknow?burning,powerplants,nuclearwastedisposalWaterpollution:rubbish,littering,ships,factoriesWhatotherreasonsdoyouknow?sewage,industrialwaste,pesticidesListenandcompletethesentences.1.Whatwastheproblem?Ther
5、iverwas__________.Eventhebottomoftheriverwasfullof_______.Therewerenomore____forfishermentocatch.reallydirtyrubbishfish1b2.Whatcausedtheproblem?Peoplearethrowing______intotheriver.Factoriesareputting______intotheriver.3.Howshouldtheproblembesolved?Weshouldwrit
6、etothe___________andaskthemto__________thefactories.Everyoneshouldhelpto________theriver.litterwastegovernmentclosedowncleanupListenagainandanswerthequestions.1.Howmanykindsofproblemdiditmention?2.What’sthereasonoftheseproblems?Thereasonsarethatpeoplethrowlitt
7、erandfactoriesputwasteintotheriver.Itmentionedthreekindsofproblems.Role-playtheconversationwithyourpartnerbyusingtheinformationin1a.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintot
8、heriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!Forexample:Haveatry!Haveatry!Haveatry!A:Theriverwasfullofwaste.B:Butitusedtobe…A:Yes,butpeoplearethrowing…B:Toprotectth