2015年考研英语一真题及答案.docx

肀2015年全国硕士研究生入学统一考试肄英语(一)试题蒄SectionI  UseofEnglish聿Directions:(s)foreachnumberedblankandmarkA,B,CorDontheANSWERSHEET. (10points)蒅①Thoughnotbiologicallyrelated,friendsareas“related”asfourthcousins,sharingabout1%ofgenes.②Thatis1astudy,publishedfromtheUniversityofCaliforniaandYaleUniversityintheProceedingsoftheNationalAcademyofSciences,①Thestudyisagenome-wideanalysisconducted31,932uniquesubjectswhich4pairsofunrelatedfriendsandunrelatedstrangers.②①While1%mayseem6,icist.②AsJamesFowler,icsatUCSanDiego,says,“Mostpeopledonoteven7theirfourthcousinsbutsomehowmanagetoselectasfriendsthepeoplewho8ourkin.”膀①Thestudy9foundthatthegenesforsmellweresomethingsharedinfriendsbutnotgenesforimmunity.②Whythissimilarityexistsinsmellgenesisdifficulttoexplain,fornow.③10,astheteamsuggests,itdrawsustosimilarenvironmentsbutthereismore11it.④icallysimilarfriends13“functionalkinship”ofbeingfriendswith14!袆①Oneoftheremarkablefindingsofthestudywasthatthesimilargenesseemtobeevolving15thanothergenes.②Studyingthiscouldhelp16whyhumanevolutionpickedpaceinthelast30,000years,①Thefindingsdonotsimplyexplainpeople’s18tobefriendthoseofsimilar19backgrounds,saytheresearchers.②ThoughallthesubjectsweredrawnfromapopulationofEuropeanextraction,carewastakento20thatallsubjects,friendsandstrangersweretakenfromthesamepopulation.③[A]what [B]why [C]how [D]when芇[A]defended [B]concluded [C]withdrawn [D]advised肂[A]for [B]with [C]by [D]on蚀[A]separated [B]sought [pared [D]connected荿[A]tests [B]objects [C]samples [D]examples蚈[A]insignificant [B]unexpected [C]unreliable [D]incredible螄[A]visit [B]miss [C]know [D]seek蚃[A]surpass [B]influence [C]favor [D]resemble葿[A]again [B]also [C]instead [D]thus螅[A]Meanwhile [B]Furthermore [C]Likewise [D]Perhaps蒆[A]about [B]to [C]from [D]like蒂[A]limit [B]observe [C]confuse [D]drive蕿[A]accordingto [B]ratherthan [C]regardlessof [