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时间:2020-03-13
《高中英语 Module5 Listening and vocabulary课件 外研版选修6(1).ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Module5ListeningandvocabularyCloningScientistworkinginalaboratoryAhumancellSheepAwascreatedinalaboratorybyscientists.Itisaclonedsheeporclone.SheepBisthe“parent”ofsheepA.ScientistsusedthegenesofSheepBtocreateSheepA.Bothsheephaveidenticalgenestheirgenesareexactlythesarae.Agene—thepartofac
2、ellthatcontrolshowitdevelopsWhodowegetourgenesfrom?Answerthequestions.Ourparents2.Howmanyparentsdoesaclonedanimalhave?One3.Whereareclonedanimalscreated?Inalaboratory4.InwhatwayareSheepAandSheepBidentical?Theyhaveidenticalgenes,andsoareidenticalineverywayAnswerthequestionsaboutthewordsan
3、dphrasesinthebox.tobeagainst(cloning)argumentbeneficialtobefor(cloning)nature1.Ifyouareforsomething,doyouthinkitisagoodidea?2.Ifyouareagainstsomething,doyouthinkitisagoodidea?3.Doyouoftenhaveargumentswithpeople,inwhichyoudisagreeaboutsomething?Whatkindofthingsdoyouargueabout?4.Doyouthin
4、knatureshouldbeleftalone,orisitbettertomakeplantsandanimalsthewaywewantthem?5.Doyouthinkcloningmaybebeneficial/helpfultohumans?Giveatleastonereason.Saywhichoftheargumentsbelowareforcloningandwhichareagainstcloning.1.Cloningisagainstnature.A2.Cloningwillbebeneficialtohumans.Forexample,if
5、acouplecan’thavechildren,cloningcouldhelpgivethemachild.F3.Clonedanimalsgetillanddiequiteyoung.A4.Peopleareafraidthatscientistswillcreatethousandsofcopiesofthesameperson.A5.Cloningisdangerousbecausescientistsmaycreatemonstersbymistake.A6.Wecouldusecloningtocureillnesses.FCorrectthewrong
6、informationinthesesentences.1.DrHughDonavilleworksforacompanythathasalreadyclonedanumberofpeople.2.AsheepcalledDollywasclonedin1998.3.Dollythesheepdiedin2003.animals1997OK4.DonavillethinksscientiststreatedDollythesheepasaproduct.5.Donavillesaysthatifachildisveryill,scientistscouldclonei
7、t.Thepresenterdies6.Donavillethinksit’sagoodideatohavethousandsofcopiesofthesameperson.7.Donavillesaysthatwecouldcloneanimalsthathavebecomeextinct.terriblearebecomingextinctPresenter:Ourtopicforthisweekiscloning.Todiscussit,wehavewithusDrHughDonaville,headofacompanythathasalrea
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