人教新课标版高二选修8 Unit2 Cloning-Workbook Reading task ppt教学教案.ppt

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1、WorkbookReadingtaskADEBATEReadingtaskBackground:“Medicalcloning”isamedicalcureusingcellsfromanembryotocureveryseriousillnesses.Theideaistotakehealthycellsfromapatientandcreatecopiesthatcanbeusedtorepairdamagedordiseasedpartsofthepatient.Intheory,medicalcloningw

2、illbeveryusefulforcuringpatientsbutalargeamountofresearchisorganizedbythegovernmentandisstrictlycontrolled.TheresearchcanCreateclonedhumancells(butnotolderthan14days)BeusedtobetterunderstandearlyhumandevelopmentBeusedtohelpwithgeneticdiseasesofoldageBeusedfortra

3、nsplantsforincurableconditionswithouttheproblemoftransplantrejectionWhilehavingadebate,severalthingstorememberThepersonwhoisleadingtheteamthatsupportsthetopicwillspeakfirst.Thepersonwhoisleadingtheteamthatdisagreeswiththetopicwillspeaknext.Thenotherpeoplecantake

4、turnstospeakinafreediscussion.Everyonemustlistenwhenotherpeoplearespeaking.Noonecanberudetootherspeakersandmustalwaystalktothechairman.Thechairpersonwillstopanyonewhorepeatsargumentsthathavealreadybeenmade.Anyonecanreplytoanotherperson’sargument.TeamWhat’stheira

5、rgument?Tworeasonsfor/againstmedicalcloningAFormedicalcloningBAgainstmedicalcloningReadtheargumentsaboveandfillinthechart.(Page59)TeamA:tworeasonsformedicalcloningTocureseriousillnessesthathavenocureatthemomenttohelppeoplewhohavediseaseswhichmakethemgraduallylos

6、etheirabilitytomoveeasilyortothinkTeamB:tworeasonsagainstmedicalcloningTomakethestemcellsthatwillcureanillnessofoneperson,youhavetoKillanotherhumanbeing.2.Scientistsareworriedabouttheefficiencyofthesystem.Itisasortofcompetitionwithachairpersoninchargetomakesureo

7、ffairplay.它是一种竞赛，由主持人负责确保竞争的公平。inchargeInapositionofleadershiporsupervision:主管，领导，负责：处于领导或管理的职位：thesecurityagentinchargeattheairport.机场保安部的负责人LanguagePoints2.Afterthat,theissuecanbediscussedbyanyoneintheroomoneatatime.然后，房间里的每个人都可以对问题进行讨论，每次只能有一人发言。atatime依次,逐一,

8、每次.Don'ttrytodoeverythingatonce,takeitabitatatime.不要什么事情都一块干,要一次做一点.Takethepillstwoatatime.每次服2粒.atonetime一度,从前.AtonetimeIusedtogoskiingeverywinter.我有一度每到冬天就去滑雪.Atone