2015考研英语真题:英语一真题完整版+内容答案

2015考研英语真题:英语一真题完整版+内容答案

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时间:2018-11-05

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1、.2015英语一真题Directions:  Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDonANSWERSHEET.(10points)  Thoughnotbiologicallyrelated,friendsareas“related”asfourthcousins,sharingabout1%ofgenes.Thatis_(1)_astudy,publishedfromtheUniversityofCaliforniaandYaleUniversityintheProceed

2、ingsoftheNationalAcademyofSciences,has__(2)_.  Thestudyisagenome-wideanalysisconducted_(3)__1,932uniquesubjectswhich__(4)__pairsofunrelatedfriendsandunrelatedstrangers.Thesamepeoplewereusedinboth_(5)_.  While1%mayseem_(6)_,itisnotsotoageneticist.AsJamesFowler,professorofmedicalgeneticsatUCSanDiego

3、,says,“Mostpeopledonoteven_(7)_theirfourthcousinsbutsomehowmanagetoselectasfriendsthepeoplewho_(8)_ourkin.”  Thestudy_(9)_foundthatthegenesforsmellweresomethingsharedinfriendsbutnotgenesforimmunity.Whythissimilarityexistsinsmellgenesisdifficulttoexplain,fornow,_(10)_,astheteamsuggests,itdrawsustos

4、imilarenvironmentsbutthereismore_(11)_it.Therecouldbemanymechanismsworkingtogetherthat_(12)_usinchoosinggeneticallysimilarfriends_(13)_”functionalKinship”ofbeingfriendswith_(14)_!  Oneoftheremarkablefindingsofthestudywasthesimilargenesseemtobeevolution_(15)_thanothergenesStudyingthiscouldhelp_(16)

5、_whyhumanevolutionpickedpaceinthelast30,000years,withsocialenvironmentbeingamajor_(17)_factor.  Thefindingsdonotsimplyexplainpeople’s_(18)_tobefriendthoseofsimilar_(19)_backgrounds,saytheresearchers.ThoughallthesubjectsweredrawnfromapopulationofEuropeanextraction,carewastakento_(20)_thatallsubject

6、s,friendsandstrangers,weretakenfromthesamepopulation.  1.[A]when[B]why[C]how[D]what  2.[A]defended[B]concluded[C]withdrawn[D]advised  3.[A]for[B]with[C]on[D]by  4.[A]compared[B]sought[C]separated[D]connected  5.[A]tests[B]s[C]samples[D]examples  6.[A]insignificant[B]unexpected[C]unbelievable[D]inc

7、redible  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]Furthermore[C]Likewise[D]Perhaps  11.[A]about[B]to[C]from[D]like  12.[

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