高中英语 unit3 science and nature教案 牛津译林版必修5

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

2、knowledgeaboutcloning.2.Makesurethateachstudentcanholdtheirownopinionstowardscloning.Teachingaids:ThemultimediaBriefteachingprocedures:Step1Brainstorming1.Showapictureofthefirstclonedmammal,Dolly.GivesomeintroductionaboutthecreationofDolly.2.Leadstudentstolearntheunitwhileth

3、inkingabouttherelationshipbetweenthetitleoftheunitScienceandnatureandcloningtechnology.Step2Sharinginformation1.Showthefollowingthreepicturesonebyone,eachofwhichshowsasuccessfullyclonedanimal.Astothethreepictures,weconductthefollowingactivities.(Picture2)Thefivelittlepigs’na

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

5、ds.Itisthefirstgeneticallymodifiedmonkey.ThetechnologyisdifferentfromthatusedforDolly.2.Getstudentstoformgroupsoffourorsixtodiscussthefurtherquestions:(1)Fromjustthesepictures,canyouidentifythedifferencesbetweentheclonedanimalsandnormalones?(1)Inyouropinion,whatmightbethedif

6、ferencesbetween[Preparationforyourownclass.]theseclonedanimalsandnormalones?3.Havestudentsholdadebateaboutwhetheritwouldbeagoodideatoclonehumanssomeday.Dividestudentsintotwogroups.Onegrouprepresentsanti-cloningviewswhiletheotherrepresentspro-cloningviews.Encouragestudentstop

7、rovideasmanyreasonsastheycantosupporttheirideas.[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.Tohelpstudentsknowthewidespreaddi

8、scussionaboutcloningandholdtheirownattitudestowardsit.3.Toenablestudentstom