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1、2015年全国硕士研究生入学统一考试英语（一）试题SectionI UseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDontheANSWERSHEET. (10points)①Thoughnotbiologicallyrelated,friendsareas“related”asfourthcousins,sharingabout1%ofgenes.②Thatis1astudy,publishedfrom
2、theUniversityofCaliforniaandYaleUniversityintheProceedingsoftheNationalAcademyofSciences,has2.①Thestudyisagenome-wideanalysisconducted31,932uniquesubjectswhich4pairsofunrelatedfriendsandunrelatedstrangers.②Thesamepeoplewereusedinboth5.①While1%mayseem6,itisnotsotoageneticist.②AsJ
3、amesFowler,professorofmedicalgeneticsatUCSanDiego,says,“Mostpeopledonoteven7theirfourthcousinsbutsomehowmanagetoselectasfriendsthepeoplewho8ourkin.” ①Thestudy9foundthatthegenesforsmellweresomethingsharedinfriendsbutnotgenesforimmunity.②Whythissimilarityexistsinsmellgenesisdiffi
4、culttoexplain,fornow.③10,astheteamsuggests,itdrawsustosimilarenvironmentsbutthereismore11it.④Therecouldbemanymechanismsworkingtogetherthat12usinchoosinggeneticallysimilarfriends13“functionalkinship”ofbeingfriendswith14! ①Oneoftheremarkablefindingsofthestudywasthatthesimilargene
5、sseemtobeevolving15thanothergenes.②Studyingthiscouldhelp16whyhumanevolutionpickedpaceinthelast30,000years,withsocialenvironmentbeingamajor17factor.①Thefindingsdonotsimplyexplainpeople’s18tobefriendthoseofsimilar19backgrounds,saytheresearchers.②Thoughallthesubjectsweredrawnfromap
6、opulationofEuropeanextraction,carewastakento20thatallsubjects,friendsandstrangersweretakenfromthesamepopulation.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withdrawn[D]advised3.[A]for[B]with[C]by[D]on4.[A]separat
7、ed[B]sought[C]compared[D]connected5.[A]tests[B]objects[C]samples[D]examples6.[A]insignificant[B]unexpected[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]thus10.[A]Meanwhile[B]Furthermore[C]Likewis
8、e[D]Perhaps11.[A]about[B]to[C]from[D]like12.[A]
