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1、单元质量检测(五)(吋间:100分钟满分:120分)I.阅读理解(共15小题;每小题2分,满分30分)阅读下列短文,从每题所给的四个选项(A、B、C和D)屮,选出最佳选项。AAtesttotellifyouareatriskfromAlzheimer,sdisease(阿尔茨海默氏病)anddozensofotherconditionsgoesonsaleinBritaintodaycosting£125・Thetestusesasalivasampletoprovidemorethan100piecesofgeneticinformationi
2、ncludingwhetherusersaremorelikelythannormaltosufferParkinson,sdisease(帕金森病),somecancersorbaldness.ItcanalsopredictwhethertheylikecoffeeorhateBrusselssprouts(廿蓝),whichtypeofexerciseis1ikelytosuitthembestandgiveinformationaboutapersorfsancostry(家族).Thetest,alreadyavailableinthe
3、US,isbeingmarketedonlineby23andMe,afirmpart-fundedbyGoogle.Acustomerspitsintoatube,sealsitandsendsitbackto23andMe,slabsforanalysis・Fourtosixweekslater,theyreceiveadetailedreportinthepostwritienineveryday1anguage.Itwilltellthem,forexample,whethertheirriskofAlzheimer1sdiseaseis
4、higherorlowerthanaverage.23andMe—runbyAnneWojcicki,wifeofGoogleco・founderSergeyBrin—saysitsmissionistoensurethatindividualscanpersonal1yaccess,understandandbenefitfromthehumangenome(基因组).Itsaysthatarmedwiththeinformation,peoplecantakebettercareoftheirhealth・Forinstance,thepri
5、nt-outmaygivesomeonetheimpetus(动力)theyneedtogiveupsmokingoritcouldmeantheyreceiveregularhealthcheckssothatanAlnesscanbecaught—andtreatedearly.GenetictestsarealreadyavailableinBritainbutgenerallyprovidelessinforinationandaremoreexpensive.1.Atesttotellifyouareatriskfromsomedise
6、asesA.costs£125everydayB・costsabout£125C.isoflittleuseD.canhelpsickpeoplerecover1.Whatdoesthetestmakeuseoftoprovidegeneticinformation?A.Thebloodinaperson1sbrain.B・Theliquidproducedinaperson'smouth.C.Theskininapersosbreast.D.Aperson‘shair・2.WhichofthefollowingisTRUEaccordingto
7、thepassage?A.23andMedependsonGooglefinancially.B・23andMeisrunbySergeyBrinandhiswife.C.SergeyBrinfoundedGoogleonhisown.D.23andMcispopularnow.BTherearethreereasonswhyIdon,tthinkthatwearereadyforcloning.Firstly,wedon,tknowexactlywhattheconsequencesofcioningwouldbe.Forexample,ifs
8、cientistsclonedaman,theymightknowwhathewouldlooklike,buttheywouldrft