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1、Unit13We，retryingtosavetheearth!loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonesnoisepollutionairpollutionwaterpollution一、教学目标：1.语言弹阴目标基本词汇：litter,advantage,bottom,fisherman,coal,ugly,cost，wooden,plastic,takeaway,bin,shark,fin
2、,method,cruel.Harmful,chain,ecosystem,industry,law，scientific,afford,reusable,transportation,recycle,napkin,upside,gate,bottle,president,inspiration,iron,work,metal,creativity,基本词组：beharmfulto,atthetop(ofsth.),takepartin,turnoff；takeaction,throwaway,putsth.tog
3、ooduse,pull…down,bringback基本句型：We'retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted・Noscientificstudieshaveshowedthatsharkfinsarcgoodforhealth.Weshouldhelpsavethesharks.2.技能目标：能正确运用现在进行时，现在完成吋，被动语态，情态动词和usedto句型。3•情感目标：冇环境危机意识，学会关注环境保护环境。二、教
4、学重难点：1.教学重点：(1)能正确运用现在进行吋，现在完成吋，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。三、教学步骤：Unit13SectionA1(la-2d)I.PresentationShowthepictureoftheearthandtellstudentstheearthispollutednow.Forexample:(l)Thcfactoriesthatbumcoalpollutetheai
5、rwithalotofblacksmoke・(2)Factoriesputwasteintotheriver.(3)Peopleshouldthrowawaylitterinthebin.(4)Thcrcarcmorecarsontheroad・ILLearningHerearcsomewordsrelatedtodiflcrcntkindsofpollution・Writethemintheboxbelow.Thenaddmorewords.Keys:noisepollution：loudmusicplanesm
6、obilephonesbuildinghousesairpollution：factoriessmokingcarsbuildinghouseswaterpollution：shipsrubbishlitteringfactoriesIILListening1・lbListenandcompletethesentences.Whatwastheproblem?Theriverwas・Eventhebottom(底咅0)oftheriverwasfullof•Therewerenomoreforfishermen(渔
7、民)tocatch.Whatcausedtheproblem?Peoplearcthrowingintotheriver.Factoriesarcputtingintotheriver.HowshouldtheproblembeWeshouldwritetotheandaskthemtosolved?thefactories.Everyoneshouldhelptotheriver.Keys:reallydirtyrubbishfishlitterwastegovernmentclosedowncleanup2.L
8、istenagainandcheck(V)thesentencesyouhca匚1)Wecouldgofishingintheriver.2)Theriverwasreallydirty.3)Theriverhasalwaysbeenthenicestriverinthistown.4)Weshouldasktheteachersforhelp.Keys:2
