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Unit2Topic2Alltheseproblemsareveryserious.SectionC东溪中学,PartOne(一)TheanalysisoftheTeachingMaterial1.ThislessonisthethirdoneofTopic2.SoiftheSscanlearnitwell,itwillbehelpfultomaketheSslearnthemainideaofthistopic.AnditalsohelpstheSstoimprovetheirlistening,speaking,reading,andwritingskills.,2.Thetopicisaboutdailyenvironment,soitishelpfultoraiselearninginterestsofthestudents.(二)TheanalysisoftheStudentsSofar,theSshaslearntEnglishformorethan2years.Theyshouldimprovetheirwaysandskills.,(三)TeachingAimsandDemands1.Learnmoreabouttheharmcausedbydifferentkindsofpollutionandthereasonsofthesekindsofpollution.2.Getinformationbyusingsimplereading.3.ImprovetheSslistening,speaking,readingandwritingskills,andincreasetheSswaysofstudying.,(四)Keywordsandphrasesonearth,millionsof,takeaway,referto,carbondioxide,blanket,escape,thegreenhousseeffect,thelevelofsearise(五)TeachingAidsacomputer,ataperecorder,Powerpointandsoon.,Part2TheTeachingMethods1.Communicativeteachingmethod2.EmotionalteachingmethodThemainaimsoflearningEnglishintheMiddleSchoolistoimprovethessabilitiesoflistening,speaking,readingandwriting.So,inthelesson,Illmainlyusethetwoteachingmethods.IlllettheSstogetabetterunderstandingofapassageandimprovetheirabilities.,Part3learningWays1.TeachtheSshowtobeagreenerperson.2.LettheSsuselisteningSpeakingReadingtolearnlanguage.3.TeachtheSshowtomasterthepassageandhowtocommunicatewithothers.,Part4TeachingProcedureIllfinishthislessonin5steps.Step1ReviewTsays:Lookatthepicturesin1aandtheblackboard.Discussingroupsaboutwhatpollutionhumanactivitiesbringandwhatproblemsthepollutioncauses.Thengetafewstudentstoreporttheresultsoftheirdiscussion.letthesstoreporttheresultsoftheirdiscussion.,andleadtotodayscontent.,Step2Presentation(1)Whatistheozonelayer?(2)Whatdoestheozonedo?Isitgoodorbadforus?(3)Whatproblemwilltheriseofcarbondioxidecause?Purposeofmydesigning:Letthestudentsknowthemainideaofeachparagraph,Step3Pairwork1.Letthesschoosethebestanswersaccordingto1a,andfinish1b.2.Letthessfindoutthedifficultiesin1aandsolvethemwiththeteacher.letthessunderstandthetextdeeply.,Steps4Practice1.lettwogroupsfindouttheinfluencesofO3,CO2andthegreenhouseeffectontheenvironment.Finish22.Discuss:Whatshouldwedotoprotecttheearth?,Step5HomeworkMakeasocia

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