2015考研英语一真题与答案解析详细解析

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1、2015年考研英语一真题及答案详细解析2015年全国硕士研究生入学统一考试英语（一）试题及答案详细解析SectionIUseofEnglish:Directions:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDontheANSWERSHEET.(10points)Thoughnotbiologicallyrelated,friendsareas“related”asfourthcousins,sharingabout1%ofgenes.Thatis_(1)_astud

2、y,publishedfromtheUniversityofCaliforniaandYaleUniversityintheProceedingsoftheNationalAcademyofSciences,has__(2)_.　　Thestudyisagenome-wideanalysisconducted_(3)__1,932uniquesubjectswhich__(4)__pairsofunrelatedfriendsandunrelatedstrangers.Thesamepeoplewereusedinboth_(5)_.　　While1%mayseem_(6)

3、_,itisnotsotoageneticist.AsJamesFowler,professorofmedicalgeneticsatUCSanDiego,says,“Mostpeopledonoteven_(7)_theirfourthcousinsbutsomehowmanagetoselectasfriendsthepeoplewho_(8)_ourkin.”　　Thestudy_(9)_foundthatthegenesforsmellweresomethingsharedinfriendsbutnotgenesforimmunity.Whythissimilari

4、tyexistsinsmellgenesisdifficulttoexplain,fornow,_(10)_,astheteamsuggests,itdrawsustosimilarenvironmentsbutthereismore_(11)_it.Therecouldbemanymechanismsworkingtogetherthat_(12)_usinchoosinggeneticallysimilarfriends_(13)_”functionalKinship”ofbeingfriendswith_(14)_!　　Oneoftheremarkablefindin

5、gsofthestudywasthesimilargenesseemtobeevolution_(15)_thanothergenesStudyingthiscouldhelp_(16)_whyhumanevolutionpickedpaceinthelast30,000years,withsocialenvironmentbeingamajor_(17)_factor.　　Thefindingsdonotsimplyexplainpeople’s_(18)_tobefriendthoseofsimilar_(19)_backgrounds,saytheresearcher

6、s.ThoughallthesubjectsweredrawnfromapopulationofEuropeanextraction,carewastakento_(20)_thatallsubjects,friendsandstrangers,weretakenfromthesamepopulation.　　1.[A]when[B]why[C]how[D]what　　2.[A]defended[B]concluded[C]withdrawn[D]advised　　3.[A]for[B]with[C]on[D]by　　4.[A]compared[B]sought[C]sep

7、arated[D]connected　　5.[A]tests[B]objects[C]samples[D]examples　　6.[A]insignificant[B]unexpected[C]unbelievable[D]incredible　　7.[A]visit[B]miss[C]seek[D]know　　8.[A]resemble[B]influence[C]favor[D]surpass　　9.[A]again[B]also[C]instead[D]thus　　10.[A]Meanwhile[B]Furt