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1、Unit13We’retryingtosavetheearth!SectionA1(1a-2d)一、教学目标:1.语言知识目标基本词汇:litter,advantage,bottom,fisherman,coal,ugly,cost,wooden,plastic,takeaway,bin,shark,fin,method,cruel.Harmful,chain,ecosystem,industry,law,scientific,afford,reusable,transportation,recycle,n
2、apkin,upside,gate,bottle,president,inspiration,iron,work,metal,creativity,基本词组:beharmfulto,atthetop(ofsth.),takepartin,turnoff,takeaction,throwaway,putsth.togooduse,pull…down,bringback基本句型:We’retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypoll
3、uted.Noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.2.技能目标:能正确运用现在进行时,现在完成时,被动语态,情态动词和usedto句型。3.情感目标:有环境危机意识,学会关注环境保护环境。二、教学重难点:1.教学重点:(1)能正确运用现在进行时,现在完成时,被动语态,情态动词和usedto句型。(2)保护环境的措施方法。2.教学难点:能正确运用现在进行时,现在完成时,被动语态,情
4、态动词和usedto句型。三、教学步骤:I.PresentationShowthepictureoftheearthandtellstudentstheearthispollutednow.Forexample:(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.(2)Factoriesputwasteintotheriver.(3)Peopleshouldthrowawaylitterinthebin.(4)Therearemoreca
5、rsontheroad.II.LearningHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonesnoisepollutionairpollutionwaterpollution____________________
6、____________________________________________________________________________________________________________________________Keys :noisepollutionloudmusicplanesmobilephonesbuildinghousesairpollutionfactoriessmokingcarsbuildinghouseswaterpollutionshipsrubbis
7、hlitteringfactoriesIII.Listening1.1bListenandcompletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottom(底部)oftheriverwasfullof________.Therewerenomore______forfishermen(渔民)tocatch.Whatcausedtheproblem?Peoplearethrowing_______intotheriver
8、.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.Keys:reallydirtyrubbishfishlitterwas