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1、绝密★启用前人教必修5Unit1单元测试卷英语单元试卷考试范围：xxx；考试时间：100分钟；命题人：xxx题号一二三四五六总分得分注意事项：1．答题前填写好自己的姓名、班级、考号等信息2．请将答案正确填写在答题卡上第I卷（选择题）请点击修改第I卷的文字说明评卷人得分一、阅读理解：共15题每题2分共30分SirJohn,aBritishscientistwhowontheNobelPrizeforMedicine,saidhehadpredictedatthetimeofhisfrogexperimentstha
2、tthesuccessfulcloningofamammalwouldhappenwithin50years,andthatmaybethesameanswerisappropriateforthesteptohumancloning.Parentswholosechildreninaccidentsmaybeabletoclone"copies"toreplacethemthen.Althoughanyattempttocloneanentirehumanwouldraisecomplexmoralissues
3、,thebiologistclaimedpeoplewouldsoonovercometheirconcernsifthetechniquebecamemedicallyuseful.CloningwasregardedwithextremedoubtswhenitwasfirstdevelopedbutbecamewidelyacceptedafterthebirthofLouiseBrown,thefirst"testtubebaby".Hesaid,"Whenmyfirstfrogexperimentwas
4、done,anAmericanreporteraskedhowlongitwillbebeforethesethingscanbedoneinmammalsorhumans.Isaid,‘Well,itcouldbeanywherebetween10yearsand100years—howabout50years?’Itturnedoutthatitwasn’tfaroffthemarkasfarasDollywasconcerned.Maybethesameanswerisappropriate."SirJoh
5、naddedthatcloningahumanbeingeffectivelymeansmakinganidentical(相同的)twin,andthatdoctorswouldthereforesimplybecopyingwhatnaturehasalreadyproduced.Theaveragevoteonallowingparentsofdeceasedchildren,whoarenolongerfertile(能生育的),tocreateanotherusingthemother’seggsand
6、skincellsfromthefirstchild,thinkingthetechniquewassafeandeffective,is60percentinfavor.Thereasonfor"no"isusuallythatthenewchildwouldfeeltheyweresomesortofareplacementforsomething.1．SirJohnpredictedthehumancloningwouldbearealityin .A.100yearsB.60yearsC.50yea
7、rsD.10years2．Accordingtothetext,whichstatementisNOTtrue?A.LouiseBrownisthefirst"testtubebaby".B.Humancloningisstillacontroversialtopic.C.SirJohnispositiveaboutthefutureofhumancloning.D.Humancloningiscreatingsomethingthatdidn’texistbefore.3．Whatdoesthetextmain
8、lytalkabout?A.ThelifeofSirJohn.B.Predictiononhumancloning.C.Viewsonhumancloning.D.Achievementsinhumancloning.【答案】1．C2．D3．B【解析】1．细节理解题。依据文章第一段可知,John预测,未来50年内克隆技术将会成功应用于人类。故选C项。2．正误判断题。依据第
