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时间:2018-12-21
《(新课标)2018高三英语一轮复习 题组层级快练17 unit 2 working the land 新人教版必修4》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、题组层级快练17Unit2Workingtheland“阅读+七选五+完形”组合练(时间:35分钟)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。(2017·长春模拟)ScientistsinArgentinahavecreatedtheworld’sfirstcowwithtwohumangenesthatwillenableittoproducehumanlikemilk.Geneticengineeringwasusedtointroducethe“mothers’milk”genesintotheanim
2、albeforebirth,accordingtotheNationalInstituteofAgribusinessTechnologyinBuenosAires.Asanadult,theclonedcow“willproducemilkthatissimilartothatofhumans”,whichwillprove“adevelopmentofgreatimportanceforthenutritionofinfants(婴儿)”,saidtheinstitute.“Theclonedcow,namedRositaISA,isthef
3、irstintheworldwithtwohumangenesthatcontaintheproteinspresentinhumanmilk,”saidthestatement.InApril,scientistsinChinapublisheddetailsofresearchshowingthattheyhadcreateddairycowswhichproducedmilkcontainingproteinsfoundinhumanbreastmilk.ButtheArgentineteamsaidtheChineseonlyintrod
4、ucedonehumangene.Whiletheirresearchinvolvedtwo,meaningthemilkwillmore_closely_resemblethatofhumans.“Ourgoalwastoraisethenutritionvalueofcows’milkbyaddingtwohumangenes,whichdogoodtotheimmunesystemofinfants,”saidAdrianMutto,fromtheNationalUniversityofSanMartinwhichworkedwiththe
5、institute.CristinaKirchner,PresidentofArgentina,saidthescientificinstitutemadeallArgentinesproud.Shealsosaidthatshehadrejectedthe“honor”ofhavingthecownamedafterher.“TheycametotellmethatthenameisCristina,butwhatwomanwouldliketohaveacownamedafterher?Itappearedtometobemoreproper
6、tocallitRosita.”1.Whatisthepassagemainlyabout?A.Theimportanceofgeneticengineering.B.Waystoimprovemothers’milk.C.Aclonedcowtoproducehumanlikemilk.D.AdvancedagriculturaltechnologyinArgentina.2.Whichofthefollowingcanbestreplace“morecloselyresemble”inParagraph4?A.havemorevarietie
7、sthanB.bemoresimilartoC.havemorenutritionthanD.bemoredifferentfrom3.WhatcanbeinferredfromCristinaKirchner’sstatements?A.Shewasquitesatisfiedwiththeresearchdonebytheinstitute.B.Sheconsidereditanhonortonamethespecialcow.C.Shefeltitimpropertobenamedafterthecow.D.Sherefusedtogive
8、anametothecowoutofselfrespect.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,他们
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