2015年考研英语一真题及答案,推荐文档.docx

2015年全国硕士研究生入学统一考试英语(一)试题SectionIUseofEnglishDirections:(s)foreachnumberedblankandmarkA,B,CorDontheANSWERSHEET.(10points)①Thoughnotbiologicallyrelated,friendsareas arelated”asfourthcousins,sharingabout1%ofgenes.②Thatis1astudy,publishedfromtheUniversityofCaliforniaandYaleUniversityintheProceedingsoftheNationalAcademyofSciences,has 2 .①Thestudyisagenome-wideanalysisconducted3 1,932uniquesubjectswhich4 pairsofunrelatedfriendsandunrelatedstrangers.②Thesamepeoplewereusedinboth5_.①While1%mayseem6,icist.②AsJamesFowler,icsatUCSanDiego,says, “Mostpeopledonotevetheirfourthcousinsbutsomehowmanagetoselectasfriendsthepeoplewho8ourkin.”①Thestudy9foundthatthegenesforsmellweresomethingsharedinfriendsbutnotgenesforimmunity.②Whythissimilarityexistsinsmellgenesisdifficulttoexplain,fornow.③ 10 ,astheteamsuggests,itdrawsustosimilarenvironmentsbutthereismore 11it.④icallysimilarfriends13 “functionalkinship ”ofbeingfriendsw4h!①Oneoftheremarkablefindingsofthestudywasthatthesimilargenesseemtobeevolving15 thanothergenes.②Studyingthiscouldhelp16whyhumanevolutionpickedpaceinthelast30,000years,withsocialenvironmentbeingamajor17factor.①Thefindingsdonotsimplyexplainpeople '8stobefriendthoseofsimilar19backgrounds,saytheresearchers.②ThoughallthesubjectsweredrawnfromapopulationofEuropeanextraction,carewastakento20thatallsubjects,friendsandstrangersweretakenfromthesamepopulation.③.[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withdrawn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[pared[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]Likewise[D]Perhaps11.[A]about[B]to[C]from[D]like12.[A]limit13.[A]accordingto14.[A]chances15.[A]faster16.[A]forecast17.[A]unpredictable18.[A]tendency19.[A]politica