英语人教版九年级全册Unit13 SectionA 1a-1c

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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基本词组：beharmfulto,atthetop(ofsth.),takepartin,turnoff,基本句型：We’retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted.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。

2、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）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。SectionA1(1a-2d)I.PresentationShowthepictureoftheearthandtellstudentstheearthispollutednow.Forexample:(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.(2)Factoriesputwasteintotheriver.(3)Peopleshould

3、throwawaylitterinthebin.(4)Therearemorecarsontheroad.Learnsomenewwords.II.Workon1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonesnoisepollutionairpollutionwaterpollution__

4、______________________________________________________________________________________________________________________________________________III.Listening1.Workon1b.Listenandcompletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottom(底部)oftheriverwasfullof________.Therewerenomo

5、re______forfishermen(渔民)tocatch.Whatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.2.Listenagainandanswerthefollowingqu

6、estions.1)WhatdoesTonywanttodolaterthisafternoon?HewantstogoswimmingwithMarkintheriverlaterthisafternoon.2)Whydoesn’tMarkwanttogowithTony?Becausetheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.3)Howwastheriverinthepast?Itusedtobesoclean.Ith

7、asbeenthenicestriverinthistown.IV.Practice1.Role-playtheconversationin1c.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintotheriver.Tony:Ever