15年考研英语试卷

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1、15年考研英语一及答案Section1UseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmark[A]，[B]，[C]or[D]onANSWERSHEET1.(10points)Thoughnotbiologicallyrelated，friendsareas’.related”asfourthcousins，sharingabout1%ofgenes.Thatis1astudypublishedfr

2、omtheUniversityofCaliforniaandYaleUniversityintheProceedingsoftheNationalAcademyofSciences，has2.Thestudyisagenome-wideanalysisconducted31932uniquesubjectswhich4pairsofunrelatedfriendsandunrelatedstrangers.Thesamepeoplewereusedinboth5.While1%mayseem6，itisnotsotoage

3、neticist.AsJamesFowler，professorofmedicalgeneticsatUCSanDiego,says,"Mostpeopledonoteven7theirfourthcousinsbutsomehowmanagetoselectasfriendsthepeoplewho8ourkin••’Thestudy9foundthatthegenesforsmellweresomethingsharedinfriendsbutnotgenesforimmunity.Whythissimilarityi

4、nolfactorygenesisdifficulttoexplain，fornow.10Perhaps,astheteamsuggests,itdrawsustosimilarenvironmentsbutthereismore11it.Therecouldbemanymechanismsworkingintandemthat12usinchoosinggeneticallysimilarfriends13than"functionalkinship”ofbeingfriendswith14!Oneoftheremark

5、ablefindingsofthestudywasthatthesimilargenesseemtobeevolving15thanothergenes.Studyingthiscouldhelp16whyhumanevolutionpickedpaceinthelast30,000years，withsocialenvironmentbeingamajor17factor.Thefindingsdonotsimplycorroboratepeople’s18tobefriendthoseofsimilar19backgr

6、ounds，saytheresearchers.ThoughallthesubjectsweredrawnfromapopulationofEuropeanextraction，carewastakento20thatallsubjects，friendsandstrangersweretakenfromthesamepopulation.Theteamalsocontrolledthedatatocheckancestryofsubjects.SectionIIReadingComprehension1、What2、Co

7、ncluded3、On4、Compared5、Samples6、Insignificant7、Know8、Resemble9、Also10、Perhaps11、To12、Drive13、Ratherthan14、Benefits15、Faster16、understand17、Contributory18、Tendency19、Ethnic20、seePartADirections:Readthefollowingfourtexts.Answerthequestionsbeloweachtextbychoosing[A],

8、

9、BJ，[CJor[D].MarkyouranswersonANSWERSHEET1.(40points)TEXT1KingJuanCarlosofSpainonceinsisted’’kingsdon’tabdicate,theydieintheirsleep/Butembarrassingscand