人教版选择性必修一 unit2 workboo k 教学课件

人教版选择性必修一Unit2LookingintotheFutureWorkbookReadingandWriting(p71)LearningObjectives123Learnsomebasicknowledgeaboutthecutting-edgetechnologyofcloning.Formyourownviewsuponthemoralissuesconcerningtheuseofthistechnology.Expressyourideaaboutcloninganimalspeciesintheformofareport.WarmupWarm-upcloningVideo:WhatiscloningCloningisaprocessofgettinganexactcopyofananimalorplantfromitscells.Itincludedbothnaturalcloning(suchasthephenomenonoftwins)andartificialcloning.Dollythesheepisafamousexampleofartificialcloning.Readingfortexttype1.Whatisthetypeofwriting?anintroductionofcloningtechnologyfromascientificperspective.ExpositorywritingReadingfortexttypeItgivesafullexplanationofatheory,anevent,aphenomenonandotherideas.Whatisthecommonfeatureofthistexttype？ExpositoryReadingfortexttype2.Whatisthepurposeofwritingforthispassage?Tointroduceanewtechnologyandraiseconcernsoverit.Whoarethepotentialreadersofthispassage?Thegeneralpublicwhotakeinterestintechnology.ReadingforStructureMatchthetopicswitheachparagraph.(p72Exercise3)Para1Para2Para3Para4Para5Possibleusesofcloninginthefuture.Whethercloningisgoodorbad.CurrentusesofcloningWhatcloningis.Moralandethicalconcernsaboutcloning.ReadingforstructureWhatisthebasicstructureofanexpositorywriting?definitionfunction/usageprocessofmakingprospectsinthefuturepotentialrisks/concerns…ReadingfordetailsTask1:Whataretheproceduresofsheepcloning?Drawaflowcharttoexhibittheprocedures.ReadingfordetailsCheckyourvocabulary卵细胞eggcellsomaticcellnucleusgeneembryo体细胞细胞核基因胚胎ReadingfordetailsTask1:Whataretheproceduresofsheepcloning?Drawaflowcharttoexhibittheprocedures.Task2:Readfrompara2topara4.Answerthefollowingquestions.1.Whatarethetwoexamplesofnaturalclones?2.Whatarethemainusesforclonestoday?3.Whatfuturemedicalusesdoescloninghave?4.Whatarepotentialrisksofcloningtechnology?Readingfordetails1.Whatarethetwoexamplesofnaturalclones?Oneismakingnewplantsbytakingcuttingsfromgrowingplants,andtheotherisidenticaltwinsproducedfromthesameegg.Readingfordetails2.Whatarethemainusesforclonestoday?Toproducelargequantitiesofplantsforsaleandtoconductresearchonnewplantspeciesormedicalresearchonanimals.Readingfordetails3.Whatfuturemedicalusesdoescloninghave?Itwillhaveseveralmajorusesinthefuture.Intermsofmedicaluses,itcouldbeutilizedtogrowhumanorgansortissuesinanimals,soastobenefithumanorgantransplantsormedicaltreatments.Readingfordetails4.Whatarepotentialrisksofcloningtechnology?Cloninghasbroughtaboutboththemoralandhealthconcerns.Onepotentialriskisthattherightsoflifeforaclonedanimalmightbewillinglyabusedformereentertainmentormedicalpurpose.Anotherpotentialriskisclonedproductsmightbeunhealthy.Agreaterconcerninvolvestheissueofcloninghumanbeings.ReadingfordetailsReadingforthinking1.Whatdoestheauthormeanby“Whatwouldhappenifsuchknowledgeendedupinthewronghands?”(inthelastbutonepara)2.Whatistheauthor’sattitudetowardscloning?3.Whatarethemoralconcernsinvolvedwithcloning?Task3:Readagainandunderstandthehiddenmeaning.Readingforthinking1.Whatdoestheauthormeanby“Whatwouldhappenifsuchknowledgeendedupinthewronghands?”(inthelastbutonepara)Thetechnologyofcloningmightbeusedforunjustpurpose.2.Whatistheauthor’sattitudetowardscloning?Theauthorisverycautious(谨慎的)withtheuseofcloningtechnology.Readingforthinking3.Whatarethemoralconcernsinvolvedwithcloning?Onemoralissueisthatthecloninganimalswouldbetreatedastoolsforscienceinsteadoflivingcreaturesanddiscarded(抛弃)aftertestsaredone.Itbecomesevenmorecomplicated(复杂的)whenweconcernabouthumancloning.Theremaybemoralissuesofwhetherhumancloneshavethesamehumanrightsandwhethertheyhavethesameconsciousnessasoriginalhumans.Post-readingRecently,apost-95sboyinShanghaibroughthisgrandmothertoconsultwithapetcloningservice.Accordingtothegrandson,thedogwhoaccompaniedthegrandmotherwilldiesoon.Inordertocontinuethemerrytimewiththedog,thegrandmotherfinallybroughtthepetcloningservicefor180,000yuan.Discussyouropinionaboutthisstory.Doyousupportitornot?Pleasestateyourreasons.Post-readingSomeofthestudentsmayfeelitunderstandable.Thepetwastreatedasanimportantpartnerforthegrandma,andaclonedpetwouldbenodifferentfromthepreviousoneinitsappearance.Giventhathiseconomicstatusallows,itshouldnotbeblamedtocloneapet.Discussyouropinionaboutthisstory.Doyousupportitornot?Pleasestateyourreasons.Post-readingWhileotherstudentsmayholdtheoppositeviews.Theyrefutetheformeropinionbysayingthatwhiletheappearancemaybesimilar,thecloneddogwouldnotkeepthesamememoryandemotionaltiesassharedbythedeceaseddog.Besides,somepointoutthatlearningtodealwithdeathisalifelesson,whichonecanneverescapefrom.Discussyouropinionaboutthisstory.Doyousupportitornot?Pleasestateyourreasons.HomeworkImagineyourareascientistandthatyouhavethecho