2015英语一考研真题解析

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1、2015英语一考研真题解析Section1UseofEnglish　　Directions:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmark[A],[B],[C]or[D]onANSWERSHEET1.(10points)　　Thoughnotbiologicallyrelated,friendsareas"related"asfourthcousins,sharingabout1%ofgenes.Thatis1astudypublishedfromtheUniversityo

2、fCaliforniaandYaleUniversityintheProceedingsoftheNationalAcademyofSciences,has2.　　Thestudyisagenome-wideanalysisconducted31932uniquesubjectswhich4pairsofunrelatedfriendsandunrelatedstrangers.Thesamepeoplewereusedinboth5.　　While1%mayseem6,itisnotsotoageneticist.Asco-authorofthestudyJam

3、esFowler,professorofmedicalgeneticsatUCSanDiegosays,"Mostpeopledonoteven7theirfourthcousinsbutsomehowmanagetoselectasfriendsthepeoplewho8ourkin."　　Theteamalsodevelopeda"friendshipscore"whichcanpredictwhowillbeyourfriendbasedontheirgenes.　　Thestudy9foundthatthegenesforsmellweresomethin

4、gsharedinfriendsbutnotgenesforimmunity.Whythissimilarityinolfactorygenesisdifficulttoexplain,fornow.10,astheteamsuggests,itdrawsustosimilarenvironmentsbutthereismore11it.Therecouldbemanymechanismsworkingintandemthat12usinchoosinggeneticallysimilarfriends13than"functionalkinship"ofbein

5、gfriendswith14!　　Oneoftheremarkablefindingsofthestudywasthatthesimilargenesseemtobeevolving15thanothergenes.Studyingthiscouldhelp16whyhumanevolutionpickedpaceinthelast30,000years,withsocialenvironmentbeingamajor17factor.　　Thefindingsdonotsimplycorroboratepeople’s18tobefriendthoseofsim

6、ilar19backgrounds,saytheresearchers.ThoughallthesubjectsweredrawnfromapopulationofEuropeanextraction,carewastakento20thatallsubjects,friendsandstrangersweretakenfromthesamepopulation.Theteamalsocontrolledthedatatocheckancestryofsubjects.　　1AwhatBwhyChowDwhen　　2AdefendedBconcludedCwith

7、drawnDadvised　　3AforBwithCbyDon　　4AseparatedBsoughtCcomparedDconnected　　5AtestsBobjectsCsamplesDexamples　　6AinsignificantBunexpectedCunreliableDincredible　　7AvisitBmissCknowDseek　　8AsurpassBinfluenceCfavorDresemble　　9AagainBalsoCinsteadDthus　　10AMeanwhileBFurthermoreCLikewiseDPerhaps　

8、　11Aa