英语人教版九年级全册We are trying to save earth.ppt

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1、Unit13We'retryingtosavetheearth!SectionA11a-2dTheearthispolluted.Lead-inairpollutionThefactoriesthatburncoalpollutetheairwithalotofblacksmoke.n.煤炭Factoriesputwasteintotheriver.waterpollutionmobilephonepollutionlitterv.乱扔n.垃圾rubbishwaste垃圾，废弃物Peopleshouldthrowawaylitte

2、rinthebin.n.垃圾箱noisepollutionTherearemorecarsontheroad.1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.noisepollution________________________________________________airpollution____________________________________________wa

3、terpollution________________________________________________loudmusicplanesmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones1bListenandcompleteth

4、esentences.Whatwastheproblem?Theriverwas_____________.Eventhebottom(底部)oftheriverwasfullof_________.Therewerenomore______forfishermen(渔民)tocatch.reallydirtyrubbishfishWhatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howsh

5、ouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.litterwastegovernmentclosedowncleanupListenagainandcheck(√)thesentencesyouhear.1.Wecouldgofishingintheriver.2.Theriverwasreallydirty.3.Theri

6、verhasalwaysbeenthenicestriverinthistown.4.Weshouldasktheteachersforhelp.√√1cRole-playtheconversationTheriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Butitusedtobesoclean!Yes,butpeoplearethrowinglitterintotheriver.Everyoneinthistownshouldplayapartincleaningitu

7、p!PracticeMakeconversationsusingthepollutionin1a.Theriverhasalwaysbeenthenicestriverinthistown.Yes,itusedtobesoclean.Whatcausedtheproblem?ButIwastherelastweekendandtheriverwasreallydirty.Factoriesarealsoputtingwasteintotheriver.Peoplearethrowinglitterintotheriver.What

8、shouldwedo?Yes,everyoneinthistownshouldplayapart.Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.Whatelsecanwe