高中英语 Unit3 Science and nature教案 牛津译林版必修5.doc

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1、Unit3ScienceandnatureWelcometotheunitTeachingobjectives:1.Toarousestudents’interestintheunittopic2.Tohelpstudentskwonmoreaboutcloningtechnology3.ToencouragestudentstoparticipateinthediscussionrelevanttocloningTeachingfocusanddifficulties:1.Makesurethatstudentscanhavethebasickn

2、owledgeaboutcloning.2.Makesurethateachstudentcanholdtheirownopinionstowardscloning.Teachingaids:ThemultimediaBriefteachingprocedures:Step1Brainstorming1.Showapictureofthefirstclonedmammal,Dolly.GivesomeintroductionaboutthecreationofDolly.2.Leadstudentstolearntheunitwhilethinki

3、ngabouttherelationshipbetweenthetitleoftheunitScienceandnatureandcloningtechnology.Step2Sharinginformation1.Showthefollowingthreepicturesonebyone,eachofwhichshowsasuccessfullyclonedanimal.Astothethreepictures,weconductthefollowingactivities.(Picture2)Thefivelittlepigs’namesare

4、Noel,Angel,Star,JoyandMary.(Picture3)TellstudentsthatthekitteninthepictureiscalledCc.Itsnameisfrom‘Copycat’.ScientistsintheUSAcreateditwithacelltakenfromitsmother,Rainbow.ItwasborninDecember2002.(Picture4)ThenameoftheclonedmonkeyisANDi.Itisfrom‘insertedDNA’speltbackwards.Itist

5、hefirstgeneticallymodifiedmonkey.ThetechnologyisdifferentfromthatusedforDolly.2.Getstudentstoformgroupsoffourorsixtodiscussthefurtherquestions:(1)Fromjustthesepictures,canyouidentifythedifferencesbetweentheclonedanimalsandnormalones?(1)Inyouropinion,whatmightbethedifferencesbe

6、tween[Preparationforyourownclass.]theseclonedanimalsandnormalones?3.Havestudentsholdadebateaboutwhetheritwouldbeagoodideatoclonehumanssomeday.Dividestudentsintotwogroups.Onegrouprepresentsanti-cloningviewswhiletheotherrepresentspro-cloningviews.Encouragestudentstoprovideasmany

7、reasonsastheycantosupporttheirideas.[布置作业][教学后记]Unit3Scienceandnature主备：第2-4课时总10课时Reading:TheperfectcopyTeachingobjectives:1.Toreinforcestudents’comprehensionofthetextandimprovetheirotherskillsbyparticipatinginalltheactivities.2.Tohelpstudentsknowthewidespreaddiscussionaboutc

8、loningandholdtheirownattitudestowardsit.3.Toenablestudentstom