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1、Unit13We’retryingtosavetheearth!一、教学目标：1.语言知识目标基本词汇：litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic,takeaway,bin,shark,fin,cruel,harmful,chain,ecosystem,industry,law,scientific,afford,reusable,transportation,recycle,napkin,upside,gate,bottle,president,inspirati
2、on,iron,work,metal,creativity,基本词组：beharmfulto,atthetop(ofsth.),takepartin,turnoff,payfor,takeaction,throwaway,putsth.togooduse,pull⋯down,bringback基本句型：We’retryingtosavetheearth.Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshaveshowedthatsharkfinsaregoodforh
3、ealth.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，情态动词和usedto句型。第1页共18页SectionA1(1a-2d)I.PresentationShowthepictureoftheearthandte
4、llstudentstheearthispollutednow.Forexample:(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.(2)Factoriesputwasteintotheriver.(3)Peopleshouldthrowawaylitterinthebin.(4)Therearemorecarsontheroad.II.LearningHerearesomewordsrelatedtodifferentkindsofpollution.Writethemi
5、ntheboxbelow.Thenaddmorewords.loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonesnoisepollutionairpollutionwaterpollution_____________________________________________________________________________________________________________________________
6、___________________Keys:noisepollutionloudmusicplanesmobilephonesbuildinghousesairpollutionfactoriessmokingcarsbuildinghouseswaterpollutionshipsrubbishlitteringfactoriesIII.Listening1.1bListenandcompletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottom(底部)o
7、ftheriverwasfullof________.Therewerenomore______forfishermen(渔民)tocatch.WhatcausedthePeoplearethrowing_______intotheriver.Factories第2页共18页problem?areputting______intotheriver.HowshouldtheproblemWeshouldwritetothe____________andaskthembesolved?to___________thefactories.Everyone
8、shouldhelpto__________theriver.Keys:reallydirtyrubbishfishlit
