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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,publishedfromtheUniversityofC
2、aliforniaandYaleUniversityintheProceedingsoftheNationalAcademyofSciences,has2.①Thestudyisagenome-wideanalysisconducted31,932uniquesubjectswhich4pairsofunrelatedfriendsandunrelatedstrangers.②Thesamepeoplewereusedinboth5.①While1%mayseem6,itisnotsotoageneticist.②AsJamesFowler,professorofmedicalgen
3、eticsatUCSanDiego,says,“Mostpeopledonoteven7theirfourthcousinsbutsomehowmanagetoselectasfriendsthepeoplewho8ourkin.” ①Thestudy9foundthatthegenesforsmellweresomethingsharedinfriendsbutnotgenesforimmunity.②Whythissimilarityexistsinsmellgenesisdifficulttoexplain,fornow.③10,astheteamsuggests,itdra
4、wsustosimilarenvironmentsbutthereismore11it.④Therecouldbemanymechanismsworkingtogetherthat12usinchoosinggeneticallysimilarfriends13“functionalkinship”ofbeingfriendswith14! ①Oneoftheremarkablefindingsofthestudywasthatthesimilargenesseemtobeevolving15thanothergenes.②Studyingthiscouldhelp16whyhum
5、anevolutionpickedpaceinthelast30,000years,withsocialenvironmentbeingamajor17factor.①Thefindingsdonotsimplyexplainpeople’s18tobefriendthoseofsimilar19backgrounds,saytheresearchers.②ThoughallthesubjectsweredrawnfromapopulationofEuropeanextraction,carewastakento20thatallsubjects,friendsandstranger
6、sweretakenfromthesamepopulation.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withdrawn[D]advised3.[A]for[B]with[C]by[D]on4.[A]separated[B]sought[C]compared[D]connected5.[A]tests[B]objects[C]samples[D]examples6.[A]insignificant[B]
7、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]thus2110.[A]Meanwhile[B]Furthermore[C]Likewise[D]Perhaps11.[A]about[B]to[C]from[D]like12.[
