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1、Unit2Topic2AlltheseproblemsareveryseriousTeachingAimsa.Wordsandexpressionsasaresult,behavior,inthebeginning,daybyday,dieoutsand,cutdown,changeinto,prevent,prevent…from,humanbeing,although,law,turnoffonearth,period,millionsof,takeaway,rise,level,refertob.Patterns:.(1)Noneofuslikespollut
2、ion.(2)Don’tspitanywhereinpublic.(3)Everyoneshouldcareforwildanimalsandplantmoretrees.(4)Weshoulddoeverythingwecantoprotecttheenvironment.c.Grammar:LearntheindefinitepronounandadverbTeachingfocus:LearntheindefinitepronounandadverbAboutthetime；Thistopicneeds5periods.总第22课时Unit2Savingthe
3、EarthTopic2Alltheseproblemsareveryserious.SectionATeachingaimsanddemands1.Learnanewwordandsomephrases:asaresult,behavior,inthebeginning,daybyday,dieout2.Learnsomeusefulsentences:(1)Asaresult,airpollutionhasbecomeaseriousproblem.(2)Humanshavecometorealizetheimportanceofprotectinganimals
4、.3.Learntheindefinitepronounandadverb:(1)Noneofuslikespollution.(2)Don’tspitanywhereinpublic.(3)Everyoneshouldcareforwildanimalsandplantmoretrees.Teachingfocus:Learntheindefinitepronounandadverb:Teachingprocedure:Step1ReviewT:Itistoodirtyandthereistoomuchheavysmokeoutside.Ican’tstandit
5、.Ss:Isitairpollution?T:Yes,itis.Step2Presentation1.T:Doyouliketheenvironmenthere?Ss:No,wedon’t.T:Why?Ss:Becausethereistoomuchsmoke.T:Yes.Weshouldstopburningcoal.ItissaidthatChinahasbecometheworld’slargestproduceranduserofcoal.Asaresult,airpollutionhasbecomeaseriousproblem.T:Nowourgover
6、nmenthasrealizedtheimportanceofprotectingtheenvironment.T:Weshoulddosomethingusefultoprotecttheenvironment,too.2.Listentothetape,andanswerthequestionsonthesmallblackboard.3.Read1aagain,andtrytofindtheindefinitepronounsoradverbs.Step3Consolidationworkinpairs.Trytomakeanewdialogwithyourp
7、artneraccordingtothedialogin1a.ThenI’llasksomepairstoactoutyourowndialoginthefrontoftheclassroom.S1:What’sitabout?S2:It’sabouttheenvironmentintheworld.Itsaysthatourenvironmentisgettingworseandworse.Andthepollutionhasbeenthemostseriousproblemintheworld.S1:Yes.Butit’sluckythatlotsofgov
