北师大版高中英语必修3 unit 9《wheels》（lesson 3 ）word教案

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1、Unit9WheelsLesson3Cleanmachines教案Teachingaims:TocompareandpractiseusingthePresentPerfectandPresentPerfectContinuoustense.TolearnsomewordsandexpressionsTeachingaids:CAITeachingprocedures:Step1.warmuplElicitinformationaboutvehiclesfromstudents,askingthemhowmanykindsofcartheycanname,whatkin

2、dsofpowervehiclescanuse,whataretheadvantagesordisadvantagesoftheseenergies.lGetstudentstolookatthetitle“cleanmachines”“solarcarracing”andguesswhatthetextisabout.Step2.pre-readinglReadtheinstructionandkeywordswiththeclass.Encouragestudentstousetheirbackgroundknowledgeandimagination,talkin

3、gaboutsolarcarsinclass.lStudentpredictwhattheinterviewisaboutbyskimmingthetitles,pictures,thesentencesinthepictures.Step3readtolearnlReadthestatementthroughwiththeclassandaskstudentstoguessiftheyaretrueorflase.lStudentsthenreadtheinterviewtochecktheirguesses.lCheckstudents’answerbyhaving

4、themreadoutthesectionofthetextthatgivestheanswerandcorrectthefalsestatements.Step4speakinglInpairs,studentsroleplaytheinterview.Encouragethemtopractiseitasarealinterview.lHavesomepairstopresenttheirinterviewsinclass.Step5languagestudy--PresentPerfectandPresentPerfectContinuousTask1.exerc

5、ise5lStudentslookbackattheinterviewandcompletethesentences.lCheckstudents’answersbeforetheymatchthesentenceswiththepictures.lWhencheckinganswers,askstudentsiftheactiondescribedbytheverbisstillgoingonandincompleteorifitisfinishedandcompleteTask2.exercise7lStudentsworkinpairs,readingthesit

6、uationanddiscussingwhichisthemoreappropriatesentence.lCheckstudents’answerbyhavingthepairsreadoutthesituationandsentence.