英语人教版九年级全册Unit 13 教案.ppt

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1、Unit13We’retryingtosavetheearth.SectionA1a-2d学习目标Keywords&phrases:litter，bottom，fisherman，coal，ugly，advantage，cost，wooden，plastic，makeadifferenceKeysentences:1.Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.2.Itusedtobesoclean.3.Peoplearethrowinglitterintotheriver.ReadandlearnWord

2、sandexpressions新课导入Theearthispolluted.airpollutionThefactoriesthatburncoalpollutetheairwithalotofblacksmoke.n.煤炭Factoriesputwasteintotheriver.waterpollutionmobilephonepollutionlitterv.乱扔n.垃圾rubbishwaste垃圾，废弃物Peopleshouldthrowawaylitterinthebin.n.垃圾箱noisepollutionTherearemorecarsontheroad.课文

3、展现1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.noisepollution________________________________________________airpollution____________________________________________waterpollution________________________________________________loudmusicplanesm

4、obilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones1bListenandcompletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottom(底部)oftheriverwasfullof_________

5、.Therewerenomore______forfishermen(渔民)tocatch.reallydirtyrubbishfishWhatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________the

6、river.litterwastegovernmentclosedowncleanup1cRole-playtheconversationTheriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Butitusedtobesoclean!Yes,butpeoplearethrowinglitterintotheriver.Everyoneinthistownshouldplayapartincleaningitup!PracticeMakeconversationsusingthepollutionin1a.Theriv

7、erhasalwaysbeenthenicestriverinthistown.Yes,itusedtobesoclean.Whatcausedtheproblem?ButIwastherelastweekendandtheriverwasreallydirty.Factoriesarealsoputtingwasteintotheriver.Peoplearethrowinglitterintotheriver.Whatshouldwedo?Yes,everyoneinthistownshouldpl