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1、2015考研英语一真题及答案解析完整版12月27日，2015年考研大幕开启。2015年全国硕士研究生报名人数为164.9万人。圆梦厦大考研网时刻关注2015考研初试情况，第一时间为考生提供考研真题答案及答案解析内容，现将2015年考研英语一试题真题及答案公布如下：2015考研英语一完型填空真题及答案解析SectionIUseofEnglishDirections: Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandm
2、arkA，B，CorDonANSWERSHEET.(10points) Thoughnotbiologicallyrelated,friendsareas“related”asfourthcousins,sharingabout1%ofgenes.Thatis1astudy,publishedfromtheUniversityofCaliforniaandYaleUniversityintheProceedingsoftheNationalAcademySciences,has2. Thes
3、tudyisagenome-wideanalysisconducted31,932uniquesubjectswhich4pairsofunrelatedfriendsandunrelatedstrangers.Thesamepeoplewereusedinboth5. While1%mayseem6,itisnotsotoageneticist.AsJamesFowler,professorofmedicalgeneticsatUCSanDiego,says,“mostpeopledonot
4、even7theirfourthcousinsbutsomehowmanagetoselectasfriendsthe8ourkin.” Thestudy9foundthatthegenesforsmallweresomethingsharedinfriendsbutnotgenesforimmunity.Whythissimilarityexistsinsmellgenesisdifficulttoexplain,fornow,10,astheteamsuggests,itdrawsusto
5、similarenvironmentsbutthereismore11it.Therecouldbemanymechanismsworkingtogetherthat12usinchoosinggeneticallysimilarfriends13“functionalKinship”ofbeingfriendswith14! Oneoftheremarkablefindingsofthestudywasthesimilargenestobeevolution15thanothergenes.
6、Studyingthiscouldhelp16whyhumanevolutionpickedpaceinthelast30,000years,withsocialenvironmentbeingamajor17factor. Thefindingsdonotsimplyexplainpeople’s18tobefriendthoseofsimilar19backgrounds,saytheresearchers.Thoughallthesubjectsweredrawnfromapopulat
7、ionofEuropeanextraction,caretakento20thatallsubjects,friendsandstrangers,weretakenfromthesamepopulation. 1、[A]what[B]why[C]how[D]when 2、[A]defended[B]concluded[C]withdrawn[D]advised 3、[A]for[B]with[C]by[D]on 4、[A]separated[B]sought[C]compared[D]c
8、onnected 5、[A]tests[B]objects[C]samples[D]examples 6、[A]Insignificant[B]unexpected[C]unreliable[D]incredible 7、[A]visit[B]miss[C]know[D]seek 8、[A]surpass[B]influence[C]favor[D]resemble 9、[A]again[B]also[C]instead[D]thus 10、[A]Meanwhile[B]Furthe
