unit13we're trying to save the earth !

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1、Unit13SectionAPeriod1(1a—2d）Let’senjoyasongTheEarthSong.Whatcanyougetfromthesong?Whatdoyouthinkofthesong?Lookatthefollowingpicturesanddiscusspollutionproblemandwhatyoucandoaboutpollution.rubbish(垃圾）pollutionwaterpollutionnoisepollutionairpollutionTheoveruseofcarsisbecomingoneofthemajorcauses

2、ofairpollution.Lookatthesepicturesandthentellyourpartnerwhatyouthinkabout.Whatisthekindofpollution?Why?Whatisthekindofpollution?Why?Whatisthekindofpollution?Why?What kinds of pollution do you know?Whatcausedthepollution?Discussionloudmusiccardsrubbishplaneslitteringshipsfactoriessmokingbuild

3、inghousesmobilephoneReadthesewordsandputthemintotherelatedpollution.1aNoisepollution:loudmusic,planes,buildinghouses,mobilephonesWhatotherreasonsdoyouknow?machines,crowds,vehiclesAirpollution:cars,factories,smoking,buildinghousesWhatotherreasonsdoyouknow?burning,powerplants,nuclearwastedispo

4、salWaterpollution:rubbish,littering,ships,factoriesWhatotherreasonsdoyouknow?sewage,industrialwaste,pesticidesListenandcompletethesentences.1.Whatwastheproblem?Theriverwas__________.Eventhebottomoftheriverwasfullof_______.Therewerenomore____forfishermentocatch.reallydirtyrubbishfish1b2.Whatc

5、ausedtheproblem?Peoplearethrowing______intotheriver.Factoriesareputting______intotheriver.3.Howshouldtheproblembesolved?Weshouldwritetothe___________andaskthemto__________thefactories.Everyoneshouldhelpto________theriver.litterwastegovernmentclosedowncleanupListenagainandanswerthequestions.1

6、.Howmanykindsofproblemdiditmention?2.What’sthereasonoftheseproblems?Thereasonsarethatpeoplethrowlitterandfactoriesputwasteintotheriver.Itmentionedthreekindsofproblems.Role-playtheconversationwithyourpartnerbyusingtheinformationin1a.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbis

7、h.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintotheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!Forexample:Haveatry!Haveatry!Haveatry!A:Theriverwasfullofwaste.B:Butitusedtobe…A:Yes,butpeoplearethrowing…B:Toprotectth