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1、2015年考研英语一完型填空答案SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDontheANSWERSHEET.(10points)Thoughnotbiologicallyrelated,friendsareasrelatedasfourthcousins,sharingabout1%ofgenes.Thatis(1)_astudypublishedfromtheUniversityofCaliforniaandYaleUni
2、versityintheProceedingsoftheNationalAcademyofSciences,has(2)_.Thestudyisagenome-wideanalysisconducted(3)_1932uniquesubjectswhich(4)_pairsofunrelatedfriendsandunrelatedstrangers.Thesamepeoplewereusedinboth(5)_.While1%mayseem(6)_,itisnotsotoageneticist.Asco-authorofthestudyJamesFowler,professorofmedic
3、algeneticsatUCSanDiegosays,Mostpeopledonoteven(7)_theirfourthcousinsbutsomehowmanagetoselectasfriendsthepeoplewho(8)_ourkin.Theteamalsodevelopedafriendshipscorewhichcanpredictwhowillbeyourfriendbasedontheirgenes.Thestudy(9)_foundthatthegenesforsmellweresomethingsharedinfriendsbutnotgenesforimmunity.
4、Whythissimilarityinolfactorygenesisdifficulttoexplain,fornow.(10)_,astheteamsuggests,itdrawsustosimilarenvironmentsbutthereismore(11)_it.Therecouldbemanymechanismsworkingintandemthat(12)_usinchoosinggeneticallysimilarfriends(13)_thanfunctionalkinshipofbeingfriendswith(14)_!Oneoftheremarkablefindings
5、ofthestudywasthatthesimilargenesseemtobeevolving(15)_thanothergenes.Studyingthiscouldhelp(16)_whyhumanevolutionpickedpaceinthelast30,000years,withsocialenvironmentbeingamajor(17)_factor.Thefindingsdonotsimplycorroboratepeoples(18)_tobefriendthoseofsimilar(19)_backgrounds,saytheresearchers.Thoughallt
6、hesubjectsweredrawnfromapopulationofEuropeanextraction,carewastakento(20)_thatallsubjects,friendsandstrangersweretakenfromthesamepopulation.Theteamalsocontrolledthedatatocheckancestryofsubjects.1、_A.whatB.whyC.howD.when正确答案是：A2、_A.defendedB.concludedC.withdrawnD.advised正确答案是：B3、_A.forB.withC.byD.on正
7、确答案是：D4、_A.separatedB.soughtC.comparedD.connected正确答案是：C5、_A.testsB.objectsC.samplesD.examples正确答案是：C6、_A.insignificantB.unexpectedC.unreliableD.incredible正确答案是：A7、_A.visitB.missC.knowD.seek正确答案是：C8、_A.surpassB.influenceC.favorD.resemble正确答案是：D9、_A.againB.alsoC.insteadD.thus正确答案是：B10、_A.MeanwhileB.F
8、urthermoreC.LikewiseD.Perhaps正确答案是：D11、_A.aboutB.toC.fromD.like正确答案是：B12、_A.limitB.observeC.confuseD.drive正确答案是：D13、_A.accordingtoB.ratherthanC.regardlessofD.alongwith正确答案是：B14、_A.chancesB.responsesC.benefitsD.missions正确答案是：C15、_A.fasterB.slowerC.laterD.earlier正确答案是：A16、_A.forecastB.rememberC.expressD.understand正确答案是：D17、_A.unpredictableB.contributoryC.controllableD.disruptive正确答案是：B18、_A.tendencyB.decisionC.arrangementD.endeavor正确答案是：A19、_A.politicalB.religiousC.ethnicD.economic正确答案是：C20、_A.seeB.showC.proveD.tell正确答案是： A