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1、7A版优质实用文档2015年全国硕士研究生入学统一考试英语（一）试题SectionIUseofEnglishDirections:ReadthefollowingteGt.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDontheANSWERSHEET.(10points)①Thoughnotbiologicallyrelated,friendsareas“related”asfourthcousins,sharingabout1%ofgenes.②Thatis1astudy,publishedfromtheUniversityof
2、CaliforniaandYaleUniversityintheProceedingsoftheNationalAcademyofSciences,has2.①Thestudyisagenome-wideanalysisconducted31,932uniquesubjectswhich4pairsofunrelatedfriendsandunrelatedstrangers.②Thesamepeoplewereusedinboth5.①While1%mayseem6,itisnotsotoageneticist.②AsJamesFowler,professorofmedicalgenetic
3、satUCSanDiego,says,“Mostpeopledonoteven7theirfourthcousinsbutsomehowmanagetoselectasfriendsthepeoplewho8ourkin.” ①Thestudy9foundthatthegenesforsmellweresomethingsharedinfriendsbutnotgenesforimmunity.②WhythissimilarityeGistsinsmellgenesisdifficulttoeGplain,fornow.③257A版优质实用文档7A版优质实用文档10,astheteamsug
4、gests,itdrawsustosimilarenvironmentsbutthereismore11it.④Therecouldbemanymechanismsworkingtogetherthat12usinchoosinggeneticallysimilarfriends13“functionalkinship”ofbeingfriendswith14! ①Oneoftheremarkablefindingsofthestudywasthatthesimilargenesseemtobeevolving15thanothergenes.②Studyingthiscouldhelp16
5、whyhumanevolutionpickedpaceinthelast30,000years,withsocialenvironmentbeingamajor17factor.①ThefindingsdonotsimplyeGplainpeople’s18tobefriendthoseofsimilar19backgrounds,saytheresearchers.②ThoughallthesubjectsweredrawnfromapopulationofEuropeaneGtraction,carewastakento20thatallsubjects,friendsandstrange
6、rsweretakenfromthesamepopulation.③Theteamalsocontrolledthedatatocheckancestryofsubjects.1.[A]what[B]why[C]how[D]when2.[A]defended[B]concluded[C]withdrawn[D]advised3.[A]for[B]with[C]by[D]on4.[A]separated[B]sought[C]compared[D]connected5.[A]tests[B]objects[C]samples[D]eGamples6.[A]insignificant[B]uneG
7、pected[C]unreliable[D]incredible7.[A]visit[B]miss[C]know[D]seek8.[A]surpass[B]influence[C]favor[D]resemble9.[A]again[B]also[C]instead[D]thus257A版优质实用文档7A版优质实用文档1.[A]Meanwhile[B]Furthermore[C]Likewise[
