-学高中英语unitcloning听力原文练习新人教版选修

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1、UsingLanguageISCLONINGCRUEL?XiaoQing(XQ)andRachelBrown(RB)arediscussingwhethercloningiscrueltoanimalsornot.Listenagainandfillintheblanks.RB:XiaoQing,doyouthinkcloning’scruel?XQ:Whatdoyoumeanbythat?Thescientistsaredoingawonderfuljob.Soontheymaybeabletobringpeople’sfavour

2、itepetsbacktolife!RB:Yes,Iknow.Butdoesn’titseemcrueltoyouthatittook276experimentsbeforeDollywassuccessfullycloned?ThinkofallthoselivecellsandeggsthatdiedinorderforDollytobeborn.Idon’tapproveofthat!XQ:But,Rachel,bereasonable.Isn’titalwayslikethatwithanewscience?Thisisthe

3、waypeoplelearntodothingsbetter.RB:Isupposeso—buttheyalsomaketheanimalsdosuchunnaturalthings.Onepoorcowwasmadetogivebirthtoabison.Whatwasthepoorcreaturetothinkwhenitsawitsbaby?XQ:Idon’tquiteunderstandwhysomanypeopleareagainstcloning.Ithinkthescientistsneedabitofencourage

4、ment.Thinkofthebenefits.Cloningmayhelpmedicalsciencetoproducecuresforseriousillnesses.RB:Yes,IknowandIagreewiththat.It’sjustthatIdon’tagreewiththemethods.XQ:Whynot?RB:Well,Ithinkit’sadeadend.Dollythesheepwas“middle-aged”whenshewasbornbecauseherDNAcamefromamiddle-aged“mo

5、ther”.Cloningyourgrandmotherwouldmeananewbabystartedlifeasanoldlady!XQ:Really?Ineverthoughtofthat.RB:Anditweakensthespecies.Cloningmeansthatthere’slessvarietyinthespecies.Sotheanimalsmaynotbeabletoresistaparticularillnessandtheymightdieout.XQ:Ohdear!Andthatwasjustwhatyo

6、uandIweretryingtoavoid.Inspiteofallthese,don’tyouthinkscientistswouldstillbeabletosolvetheproblems?Workbook-ListeningISHUMANCLONINGAGOODIDEA?WangQiao(WQ)istalkingtoClarePeters(CP)abouthumancloning.Listenagainandfillintheblanks.WQ:Whatdoyouthinkabouthumancloning,Clare?CP

7、:Idon’tknowwhattothink.ButIsupposeit’llcomeoneofthesedays.Ithinktherearemanyproblemsthatnobodyhasthoughtofyet.WQ:Whatdoyoumeanbythat?CP:Well,aclonewillbeanexactcopyoftheoriginaldonor.Right?WQ:Yes,sowhat?CP:Well,what’stherelationshipbetweenthecloneandhisoriginaldonor?WQ:

8、Isupposetheymustbelikeoneperson.Thecloneisthesameashisoriginaldonor.3CP:Let’ssupposethatyoutakeababytoalaborat