世纪文都教育科技集团股份有限公司地址：北京市海淀区西三环北路72号世纪经贸大厦B座电话：010-88820136传真：010-88820119网址：www.wendu.com2015年全国硕士研究生入学统一考试英语(一)真题关注文都网校考研公众号领取更多考研SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDonANSWERSHEET.(10points)Thoughnotbiologicallyrelated,friendsareas“related”asfourthcousins,sharingabout1%ofgenes.Thatis_(1)_astudy,publishedfromtheUniversityofCaliforniaandYaleUniversityintheProceedingsoftheNationalAcademyofSciences,has__(2)_.Thestudyisagenome-wideanalysisconducted_(3)__1,932uniquesubjectswhich__(4)__pairsofunrelatedfriendsandunrelatedstrangers.Thesamepeoplewereusedinboth_(5)_.世纪文都教育科技集团股份有限公司地址：北京市海淀区西三环北路72号世纪经贸大厦B座电话：010-88820136传真：010-88820119网址：www.wendu.comWhile1%mayseem_(6)_,itisnotsotoageneticist.AsJamesFowler,professorofmedicalgeneticsatUCSanDiego,says,“Mostpeopledonoteven_(7)_theirfourthcousinsbutsomehowmanagetoselectasfriendsthepeoplewho_(8)_ourkin.”Thestudy_(9)_foundthatthegenesforsmellweresomethingsharedinfriendsbutnotgenesforimmunity.Whythissimilarityexistsinsmellgenesisdifficulttoexplain,fornow,_(10)_,astheteamsuggests,itdrawsustosimilarenvironmentsbutthereismore_(11)_it.Therecouldbemanymechanismsworkingtogetherthat_(12)_usinchoosinggeneticallysimilarfriends_(13)_”functionalKinship”ofbeingfriendswith_(14)_!Oneoftheremarkablefindingsofthestudywasthesimilargenesseemtobeevolution_(15)_thanothergenesStudyingthiscouldhelp_(16)_whyhumanevolutionpickedpaceinthelast30,000years,withsocialenvironmentbeingamajor_(17)_factor.Thefindingsdonotsimplyexplainpeople’s_(18)_tobefriendthoseofsimilar_(19)_backgrounds,saytheresearchers.ThoughallthesubjectsweredrawnfromapopulationofEuropeanextraction,carewastakento_(20)_thatallsubjects,friendsandstrangers,weretakenfromthesamepopulation.SectionIIReadingComprehensionPartADirections:Readthefollowingfourtexts.Answerthequestionsbeloweachtextbyc...
