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1、Unit13We’retryingtosavetheearth!SectionA(1a-2c)教学设计一、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,基本词组：takepartin,turnoff,takeaction,throwaway21·cn·jy·com基本句型：We’retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted.2.技能目标:能正
2、确运用现在进行时，现在完成时，被动语态和情态动词，复习并掌握usedto和beusedto用法。21cnjy.com3.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：能正确运用被动语态和usedto/beusedto句型。三、教学步骤:I.Previewdetection:1.Readthenewwordsandpayattentiontosomepronunciations.2.Translatethephrasesinto
3、English.II．Presentation1.ShowthepictureofRizhaoandseetheairinRizhaoiscleanandfresh.2.Showthepicturesofpollutionandtellstudentstheearthisbadlypollutednow.(1)Becauseofpollution,ourskyisn’tblueanymore.2·1·c·n·j·y(2)Becauseofpollution,thewaterisn’tcleananymore.Becauseofpollution,manyanimalswer
4、ekilled.21世纪教育网版权所有(3)Becauseofpollution,moreandmoreanimalsdon’thaveplacestolivein.(4)Becauseofpollution,moreandmorepeoplesufferordiefromcancer.3.Canyouthinkofthedifferentkindsofpollution?Addlandpollution.(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.(2)Therearemorecarsonthe
5、road.(3)Factoriesputwasteintotheriver.(4)Peoplethrowrubbishintotheriver.4.1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.2-1-c-n-j-yKeys :noisepollution:loudmusicplanesmobilephonesbuildinghousesairpollution:factoriessmokingcarsbuildinghouseswat
6、erpollution:shipsrubbishlitteringfactories★Tellthestudentsthattheanswersarenottheonly.21*cnjy*comIII.Newmaterials1.Listening：1bListenandcompletethesentences.Ifnecessary,playitagain.Thenchecktheanswers.【出处：21教育名师】Keys:reallydirty,rubbish,fish,litter,waste,government,closedown,cleanup2.Pract
7、ice:(1)Role-playtheconversationin1c.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintotheriver.【版权所有：21教育】Tony:Everyoneinthistownshouldplayapartincleaningitup!(2).Exercises:I.根据句意完成句子
