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高中英语必修5Unit3 Teaching DesignVIP免费

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Unit3ScienceversusnaturePartOneTeachingDesignAimsandrequirements♦readanewspaperarticleaboutcloningandanarticleaboutpeopleandthenaturalworld♦listentoadiscussionaboutgrowthhormones♦discussyourideasaboutcloningandconductaninterviewaboutGMfood♦writeaformalletteraboutGMfood♦takepartinadebateProceduresWelcometotheUnitStep1:BrainstormingAtthebeginningoftheclass,let’sfirstlookatsomepictures.Perhapsyouarefamiliarwiththem.Especiallyfromthesecondone,youmaythinkoftheworldfamousclonedsheep---Dolly.DoyouknowaboutcloningandDolly?Whatdoyouknowaboutthem?“Cloning”isanewtechnologywhichproducesanexactcopyofananimaloraplantfromitsowncells.DollywasthefirstclonedmammalcreatedbyaScottishscientistandhisgroupin1996.Shewasexactlythesameashermother,inappearanceandingenes.Whatdoyouthinkofthenewkindoftechnology?Doesithaveadvantagesordisadvantages?Thenewkindoftechnologyhascausedwidespreaddiscussion.Itcanhelpcuremanydiseases,savelotsofpeople’slivesandevenpreventsomeendangeredanimalsfromdyingout.However,ontheotherhand,ifitisusedtoclonehumanbeings,thatisagainstthelawsofnature.Step2:SharinginformationLookatthefollowingpicturesandstudythem.Canyoutellwhatthemainfeatureofcloningis?Theclonedanimalsorplantsareexactlythesameastheoriginalones.用心爱心专心116号编辑Picture1WehavementionedDolly----thefirstclonedmammal.Inthispicture,Dollyistogetherwithhermother.Canyoutellmemoreabouther?Asweallknow,Dolly’sbirthsparkledworldwideinterestandconcern.Manycountries,includingGermany,France,Canada,Switzerland,Austria,NorwayandSouthAfrica,havebannedhumancloning.It’sapitythatin2003itdiedbecauseoflungdisease.Picture2Themuleinthepictureistheworld’sfirstclonedmule.Itwasbornon4May2003.HisnameisIdahoGemandhisbrother,Taz,wasaracingmulethathaswonmanycompetitions.ItseemsasifhewantedtoPKhisbrotherPicture3ThekitteninthepictureiscalledCc.Itsnameisfrom“Copycat”.ScientistsintheUSAcreateditwithacelltakenfromitsmother,Rainbow.ItwasborninDecember2002Picture4Thesefemalepigsarealsocloned.TheyarebornonChristmasDay2001.TheyareNoel,Angel,Star,JoyandMary.Picture5Thepairofcalveswasbornon5July1998inIshikawa,Japan.TheyweretwoyearsyoungerthanDolly,beingsecondadultanimalclonesintheworld.Picture6ThenameoftheclonedmonkeyisANDi.Itisfrom“insertedDNA”speltbackwards.Itisthefirstgeneticallymodifiedmonkey.ThetechnologyisdifferentfromthatusedforDolly.Step3:Discussion1.Fromthesixpicturescanyouidentifythedifferencesbetweentheclonedanimalsandnormalones?No.Fromtheappearance,theclonedanimalsarethesameastheoriginalonesand用心爱心专心116号编辑theylookexactlythesameasnormalanimals.However,someclonedanimalswerereportedtohavehealthproblemsanddiedunusuallyyoung.2.Inyouropinion,canthemuleinPicture2runasfastashisbrother?3.Doyouthinkitwouldbeagoodideatoclonehumanssomeday?Whyorwhynot?Idon’tthinkitisagoodideatoclonehumanseventhoughwemighthavetheabilitytodosointhefuture.Therearedifferentreasonsifyouapproachtheissuefromdifferentangles.Fromtheethicalpointofview,Ibelievethedisadvantagesofproducingclonedanimalsoutweightheadvantages.Ifnothandledproperly,greatconfusioncouldarise.Peoplecouldendupmarryingtheircloserelativesbymistakes,ifchildlesscouplesareallowedtoclonethemselvesoradoptclones.Furthermore,ifthetechnologyismisusedorstolenbyevilpeople,greatdamagewillbedone.Whatiftheyclonedlegionsofcriminalsormurderers?Theworldwouldbeturnedupsidedown.4.Ifpossible,doyouwantanotherpersontobeexactlythesameasyou?Whyorwhynot?Step4:Homework1.CollectmoreinformationaboutclonedanimalsandanimalcloningontheInternet.2.PreparetheReadingpart.用心爱心专心116号编辑SometimesIhopeso.Becauseatthistimethecloned‘I’candothethingsIlikebutcannotdo.ButSometimesIamafraidIwouldbereplacedcompletely.

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高中英语必修5Unit3 Teaching Design

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