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1、Unit13We’retryingtosavetheearth!一、教材分析:本单元以“环境保护”为话题,通过讨论大气污染、水污染和废弃物污染等造成的原因以及我们如何做去改善环境,着重复习时态和语态等语法知识。二、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,sc
2、ientific,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.togooduse,pull…down,bringback基本句型:We’retryingtosavetheearth!
3、Theriverusedtobesoclean.Theairisbadlypolluted.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。三、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
4、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。四、教学步骤:SectionA1(1a-2d)I.PresentationShowthepictureoftheearthandtellstudentstheearthispollutednow.Forexample:(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.(2)Factoriesputwasteintotheriver.(3)Peopleshould
5、throwawaylitterinthebin.(4)Therearemorecarsontheroad.Learnsomenewwords.II.Workon1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonesnoisepoll
6、utionairpollutionwaterpollution________________________________________________________________________________________________________________________________________________III.Listening1.Workon1b.Listenandcompletethesentences.Whatwastheproblem?Theriverwas______
7、_______.Eventhebottom(底部)oftheriverwasfullof________.Therewerenomore______forfishermen(渔民)tocatch.Whatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto
8、___________thefactories.Everyoneshouldhelpto__________theriver.2.Listenagainandanswerthefollowingquestions.1)WhatdoesTonywanttodolaterthisafternoon?Hewa