reading 1英语

《reading 1英语》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、Unit2cloningWhichonesarenaturalclones?Whichonesareman-made?Howdotheydiffer.WarmingupAstrawberryplantNaturalcloneGrowingnewplantsNaturalcloneisonethatoccursinanaturalformofcloningwithouthumanhelp.Man-madecloneisonethatproducedthroughhumanintervention(介入).DollythesheepShewasclonedwhiletheotherswer

2、ebornnaturally.Inotherword,Dollywasa______sheep.clonedHowdoesDollydifferfromothersheep?Pre-reading–addyourquestionstothelistQuestionlistaboutcloningWhatisaclone?Howisacloneproduced?Whatbenefitscanhumansgainfromcloning?Whatproblemsmayarisewhenhumansarecloned?5.…6.…CLONING:WHEREISITLEADINGUS?Pred

3、ict:Towhichquestionfromourlisttheanswermightbefoundinthispassage?Fastreading3mins2.Outline–keywordforeachparagraphPara.1__________Para.2__________Para.3__________Para.4__________Para.5__________ReadforMainideaofthepassageIntroduction/definitionUsesandbreakthroughProblemsofDollytheImpactofclonin

4、gPeople’sreactiontocloningThemainideaofthetextis____A.animalcloningisveryvaluableandcanbenefittheworld.B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbiddenC.animalcloningiswelldevelopedbecauseDollythesheepwasborn.D.animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture.mainidea

5、1.Dollythesheep_____.A.lookedexactlylikethesheepthatprovidestheegg.B.wastheexactcopyofthesheepthatprovidesthenucleus.C.lookedlikethesheepthatgavebirthtoit.D.hadthecharacteristicsofallthreesheep.＊Reading–IISkimming(5ms)Choosetherightansweraccordingtothetext.2.Itcanbeinferredfromthepassagethataclo

6、nedanimal_____.A.usuallylivesaslongastheoriginaloneB.usuallyliveslongerthantheoriginaloneC.usuallyliveslongerthantheoriginaloneD.isusuallyashealthyastheoriginalone＊3.Thesheepthatdonatedthesomaticcellmostprobablylived____years.A.3B.6C.9D.12＊4.Whichofthefollowingisnotanadvantageofcloning?Clonin

7、gcanbeusedformedicalpurposes.Largequantitiesoffoodcanbeproducedbycloning.Cloningcanhelpkeepanimalsfrombecomingextinct.Famouspersonswhohavepassedawaycanbecloned.＊5.Inthesecondparagraph,theword“straightforward”means____.A.unco