2019-2020年高三英语一轮复习题组层级快练17Unit2Workingtheland新人教版必修(I)

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1、2019-2020年高三英语一轮复习题组层级快练17Unit2Workingtheland新人教版必修(I)Ⅰ.阅读理解阅读下列短文，从每题所给的四个选项(A、B、C和D)中选出最佳选项。(xx·长春模拟)ScientistsinArgentinahavecreatedtheworld’sfirstcowwithtwohumangenesthatwillenableittoproducehumanlikemilk.Geneticengineeringwasusedtointroducethe“mothers’milk”genesintotheanimalbeforebirth,a

2、ccordingtotheNationalInstituteofAgribusinessTechnologyinBuenosAires.Asanadult,theclonedcow“willproducemilkthatissimilartothatofhumans”，whichwillprove“adevelopmentofgreatimportanceforthenutritionofinfants(婴儿)”，saidtheinstitute.“Theclonedcow,namedRositaISA,isthefirstintheworldwithtwohumangenest

3、hatcontaintheproteinspresentinhumanmilk，”saidthestatement.InApril,scientistsinChinapublisheddetailsofresearchshowingthattheyhadcreateddairycowswhichproducedmilkcontainingproteinsfoundinhumanbreastmilk.ButtheArgentineteamsaidtheChineseonlyintroducedonehumangene.Whiletheirresearchinvolvedtwo,me

4、aningthemilkwillmore_closely_resemblethatofhumans.“Ourgoalwastoraisethenutritionvalueofcows’milkbyaddingtwohumangenes,whichdogoodtotheimmunesystemofinfants，”saidAdrianMutto,fromtheNationalUniversityofSanMartinwhichworkedwiththeinstitute.CristinaKirchner,PresidentofArgentina,saidthescientifici

5、nstitutemadeallArgentinesproud.Shealsosaidthatshehadrejectedthe“honor”ofhavingthecownamedafterher.“TheycametotellmethatthenameisCristina,butwhatwomanwouldliketohaveacownamedafterher?ItappearedtometobemorepropertocallitRosita.”1.Whatisthepassagemainlyabout?A.Theimportanceofgeneticengineering.B

6、.Waystoimprovemothers’milk.C.Aclonedcowtoproducehumanlikemilk.D.AdvancedagriculturaltechnologyinArgentina.2.Whichofthefollowingcanbestreplace“morecloselyresemble”inParagraph4?A.havemorevarietiesthanB.bemoresimilartoC.havemorenutritionthanD.bemoredifferentfrom3.WhatcanbeinferredfromCristinaKir

7、chner’sstatements?A.Shewasquitesatisfiedwiththeresearchdonebytheinstitute.B.Sheconsidereditanhonortonamethespecialcow.C.Shefeltitimpropertobenamedafterthecow.D.Sherefusedtogiveanametothecowoutofselfrespect.答案与解析【文章大意】　阿根廷国家农业综合科技研究所的科学家们日前宣布，