新编英语教程第四册unit13

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1、BackgroundInformationBR_MAINExtendedReadingWarm-upQuestionsDetailedReadingBeforeReadingGlobalReadingAfterReadingBeforeReading_1.1Warm-upQuestions1.Whoisthe“Dolly”inthetitle?DoyouknowanythingaboutDolly?Dollyisthefirstsheepeverclonedinhistory.ShewasclonedbyIanWilmut(theauthoro

2、fthisarticle)andseveralotherscientistsattheRoslinInstituteinEdinburgh,Scotland.ShewasbornonJuly5,1996andsheliveduntiltheageofsix.DetailedReadingBeforeReadingGlobalReadingAfterReadingDollytheSheepDollyandIanWilmutBeforeReading_1.22.Whatdoyouknowaboutcloningtechnology?Cloningm

3、aybedefinedasabiologicaltechnologyoftheexactgeneticreplicationoflife,oranartificialwayofreproducinglifewithexactphysicalfeaturesoftheoriginal.Inotherwords,Clonereferstoagroupofgeneticallyidenticalcellsorwholeorganismsderivedfromasingleoriginalcellororganism.Warm-upQuestionsD

4、etailedReadingBeforeReadingGlobalReadingAfterReadingBeforeReading_1.2Pic12.Whatdoyouknowaboutcloningtechnology?Warm-upQuestionsDetailedReadingBeforeReadingGlobalReadingAfterReadingBeforeReading_1.2Pic22.Whatdoyouknowaboutcloningtechnology?Warm-upQuestionsDetailedReadingBefor

5、eReadingGlobalReadingAfterReadingBeforeReading_1.33.Forwhatpurposesmightscientistsusecloningtechnology?1)topreventextinctionofrarespecies2)tooffersolutionforhumaninfertility3)tocreatea“copy”ofapersonwhohasalreadydiedWarm-upQuestionsDetailedReadingBeforeReadingGlobalReadingAf

6、terReadingBeforeReading_1.44.Istheauthorofthisarticlefororagainstthecloningofhumanbeings?Warm-upQuestionsDetailedReadingBeforeReadingGlobalReadingAfterReadingHeisagainstthecloningofhumanbeings.BeforeReading_2_1.1BackgroundInformationDetailedReadingBeforeReadingGlobalReadingA

7、fterReading1.AbouttheauthorProf.SirIanWilmut(bornJuly7,1944)isanEnglishembryologistbestknownasthemanwhoplayedasupervisoryroleintheteamthatin1996firstclonedalambnamedDolly.WilmutandhiscollaboratorscreatedDollybecausetheyaretryingtofindwaystoproducelivestockthatcarryspecificge

8、netictraits.Thetheoryisthatifresearcherscandevelopanimalswithdesirablechara