unit2 warming up and reading

unit2 warming up and reading

ID:42189557

大小:6.22 MB

页数:112页

时间:2019-09-10

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1、cloningWarmingUpandReadingWhichonesarenaturalclones?Whichonesareman-made?HowdotheyDiffer?WarmingupAstrawberryplantNaturalcloneGrowingnewplantsman-madecloneDollythesheepShewasclonedwhiletheotherswerebornnaturally.Inotherwords,Dollywasa______sheep.clonedHowdoesDollyd

2、ifferfromothersheep?man-madecloneWhatisthedifferenceamongthem?NaturalcloneMan-madeclonecloneNaturalcloneisonethatoccursfromthe“parent”inanaturalformofcloningwithouthumanhelp.Man-madecloneisonethatproducedthroughhumanintervention(介入).一株草莓依靠它沿地“爬走”的匍匐茎,一年内就能长出数百株草莓苗富

3、贵竹插枝即活仙人掌每块落地就生根Dolly是世界上第一例用体细胞─乳腺上皮细胞,通过细胞核移植技术,在复杂的人工操作下,得到的一只小绵羊。ReadingCLONING:WHEREISITLEADINGUS?Organization(firstreading)______Whatisthecloning.______Twomajorusesofcloning.______ThebirthanddeathofDolly.______ControversybroughtbyDolly.2134-5Whatisthewritings

4、tyle?Expositive(说明文)Descriptive(记叙文)C.Argumentative(议论文)Readthetextagainandfindoutmoredetailsofeachparagraph.CarefulreadingCloningisawayofmakinganexactcopyofanotheranimalandplant.Whatiscloning?Ithappensbothin______andin_______.Theycanbeclonedby________and_______.pl

5、antsanimalsthemselveshumansNaturalcloneMan-madeclonePara1ThedefinitionofcloningFirstly,…commercial…Secondly,…research…Para2ThemajorusesandproceduresofcloningInthisparagraph,theword“straightforward”means____.A.uncomplicatedB.honestC.frankD.difficult克隆羊诞生图示Atfirst,th

6、efactthatDollydeveloped______inanaturalwaywas__________.Later,thenews_____Dollyhadbecomeseriouslyillwas__________.Finally,theproblemthatoccurredtothescientistswasthataclonedanimallives _____________theoriginalone.Para3TheproblemsofDollynormallyencouragingthatdistur

7、bingshorterthanTheword“controversial”inpara4probablymeans:____________.A.complicatedB.arguableC.importantD.traditionalPara4TheimpactofDollyIts’appearanceraisedandthemediaandpublicimagination.astormofobjectionshadagreatimpacton1.Whatproblemsmayarisewhenhumanbeingsar

8、ecloned?Para52.Didallthecountriesforbidresearchintohumancloning?3.Scientistsaresurethatcloningwillbegoodtous.(TorF)Scientistsstillwonderwhethercl

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