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1、Unit13We’retryingtosavetheearth!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,napkin,upside,gate,bottle,pre
2、sident,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. Theairisbadlypolluted. Noscie
3、ntificstudieshaveshowedthatsharkfinsaregoodforhealth. 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
4、动词和usedto句型。三、教学步骤:SectionA1(1a-2d)I.PresentationShowthepictureoftheearthandtellstudentstheearthispollutednow. Forexample:(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.(2)Factoriesputwasteintotheriver.(3)Peopleshouldthrowawaylitterinthebin. (4)Therearem
5、orecarsontheroad. II.LearningHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords. loudmusic cars rubbish planes littering ships factories smoking buildinghouses mobilephonesnoisepollution airpollution
6、waterpollution ____________ ___________ _________________________ ___________ _________________________ ___________ _________________________ ___________ _____________Keys:noisepollution loudmusic planes mobilephones buildinghousesairpollution facto
7、ries smoking cars buildinghouseswaterpollution ships rubbish littering factories
