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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
