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1、Unit13We’retryingtosavetheearth!SectionA1(1a-1c)一、Teachingobjectives：1.Languageknowledge:Basicvocabulary：litter,advantage,bottom,fisherman,Basicphrases：noisepollution,airpollution,waterpollution,beharmfulto,begoodfor,bebadfor,throwinto,,closedown,turnoff,thebottomof,cleanup,playapartinS
2、entencePatterns：We’retryingtosavetheearth!Theriverusedtobesoclean.Howshouldtheproblembesolved?2.AbilityObjectives:Tocorrectlyusethepresenttense,passivevoice,modalverbsshouldandusedtoPattern3.Emotionaims:Havetheawarenessofenvironmentalcrisis,learntopayattentiontotheenvironmentandprotectt
3、heenvironment二、Teachingimportantanddifficultpoints：1.keyteachingpoints：（1）Tocorrectlyusethepresenttense,passivevoice,modalverbsshouldandusedtoPattern2.Teachingdifficultpoints：（1）Measurestoprotecttheenvironment.三、Teachingaid:taperecorder,multi-media四、Teachingprocess：Step1PresentationShow
4、thepictureoftheearthandtellstudentstheearthispollutednow.Factoriespourdangerousgasesintotheair.Carsalsopourdangerousgasesintotheair.Somepeoplesmokeinpublicplaces.……Step2Learning1a1.Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.loudmusiccarsru
5、bbishplanesburninglitteringshipsfactoriessmokingautomobileexhaustbuildinghousesmobilephones2.Askstudentstodividethewordsaboveintothreegroups:AirPollutionNoisePollutionWaterPollutionsmoke,factory,automobileexhaustburning,cars,buildinghouses,loudmusic,planes,ships,factorysewage,litteringi
6、ndustrialwasteStep3.Listeningandtalking1.1bListenandcompletethesentences.2.Thinkofsolutionstosolvethepollution:① closedownthefactories;② helptocleanuptheriver;③ takethebusorsubway;④ rideabike;⑤ bringabagtogoshopping,throwrubbishinthecans;⑥ turnoffthelightswhenyouleavearoom;⑦ usepaperorr
7、eusablebags;⑧ recyclebooksandpaper;⑨ turnofftheshowerwhenyouwashyourhair;⑩ don'tusenapkins;Step4Practice1.Role-playtheconversationin1c.A：Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.B:Butitusedtobesoclean!A:Yes,butpeoplearethrowinglitterintotheriver.B:Everyoneinthis
