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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,affords,reusable,transportation,recycle,napkin,upside,gate,bottle,president,inspiratio
2、n,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.Noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.Weshouldhelp
3、savethesharks.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。三、教学步骤:SectionA1(1a-2d)I.PresentationShowthepictureoftheearthandtellstudentstheearthispollute
4、dnow.Forexample:(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.(2)Factoriesputwasteintotheriver.(3)Peopleshouldthrowawaylitterinthebin.(4)Therearemorecarsontheroad.II.LearningHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.noisep
5、ollutionairpollutionwaterpollution________________________________________________________________________________________________________________________________________________Keys:noisepollutionloudmusicplanesmobilephonesbuildinghousesairpollutionfactoriessmokingcarsbuildinghouseswa
6、terpollutionshipsrubbishlitteringfactoriesIII.Listening1.1bListenandcompletethesentences.Keys:reallydirtyrubbishfishlitterwastegovernmentclosedowncleanup2.Listenagainandcheck(√)thesentencesyouhear.1)Wecouldgofishingintheriver.2)Theriverwasreallydirty.3)Theriverhasalwaysbeenthenicestriv
7、erinthistown.4)Weshouldasktheteachersforhelp.Keys:23IV.Practice1.Role-playtheconversationin1c.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintotheriverTony:Everyoneinthistownshouldplayapartincleaningitup!2.
