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ID:44939392
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页数:9页
时间:2019-11-05
《2019_2020学年高中英语单元综合检测3(含解析)牛津译林版必修5》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、单元综合检测(三)Unit3 Scienceandnature(时间:100分钟;满分:120分)Ⅰ.阅读理解(共10小题;每小题2.5分,满分25分)AIn2001,scientistsatTexasA&MUniversitysuccessfullyclonedacatforthefirsttime,butthiscopycatisnomirrorimageoftheoriginal.CopyCat(CC)wasthefirstcatevercloned.In2001,researchersatTexasA&MUniversi
2、tycreatedtheclonefromtheDNAofacalicocat(三色猫)namedRainbowafterafailedattemptatcloningadog.Interestingly,RainbowandCopyCataredifferentinmanyways.Rainbow'scoatisbrown,andwhite,whileCC'sisgrayandwhite;Rainbowisshy,butCCisoutgoingandcurious.Thedifferencesinthetwocatsindic
3、atethatidenticalDNAwon'tnecessarilycreatesimilarappearancesorpersonalitiesbecausetherearemanyotherfactorsthatcontributetobothsurfacecharacteristicsandtemperament(性情).CChassincegoneontohavethreehealthykittensviathenaturalmethod,andtheresearchthatledtohercreationbecame
4、thefoundationforaCaliforniabasedpetcloningcompanycalledGeneticSavings&Clone,Inc.However,thecatcloningprojectcausedcriticismfromanimalwelfaregroups,whichpointedoutthatmillionsofcatsarekilledinshelterseachyearduetopetoverpopulation.Theyarguedthatthelargesumsofmoneyspen
5、toncreatingmorecatscouldbeputtobetteruseprovidinghomesforstrays.Therearealsoobjectionstothecloningprocessitself.Manypeopleconsidercloningcruel,asitisaprocessthatcanleadtodeformitiesandotherproblems,whichisevidentinthefactthatmanyclonesdiewithinmonthsorevendaysofcreat
6、ion.Muchtothedelightofanimalwelfareadvocates,aftercloningfivecatsintotal,GeneticSavings&Cloneshutdownin2006.Thereasonforthecompany'sclosewasitsinabilitytomakeitscloningtechnologyaffordableandthusaccessibletomainstreamconsumers.1.Whatisthebesttitleofthepassage?A.Clone
7、dCats-aSurprisingDevelopmentonTechnologyB.ClonedCats-CloningProducesSurprisingResultsC.ClonedCats-aCruelResearchinScienceD.ClonedCats-aProjectCausedCriticism2.WhichofthefollowingaboutCCisTRUE?A.Theresearchersfailedincloningitin2001.B.Itsfurisbrownandwhiteasthecalicoc
8、at.C.ItisoutgoingandcuriousasRainbow.D.Itdoesn'thavesimilarpersonalitiesasRainbow.3.What'stheunderlinedwordinthe6thparagraphsimilar
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