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1、2018考研英语（一）真题原文及参考答案（完整版）SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDontheANSWERSHEET.(10points)Trustisatrickybusiness.Ontheonehand,it'sanecessarycondition1manyworthwhilethings:childcare,friendships,etc.Ontheotherhand,puttingyour2,inthew
2、rongplaceoftencarriesahigh3.4,whydowetrustatall?Well,becauseitfeelsgood.5peopleplacetheirtrustinanindividualoraninstitution,theirbrainsreleaseoxytocin,ahormonethat6pleasurablefeelingsandtriggerstheherdinginstructthatpromptshumansto7withoneanother.Scientistshavefoundthatexposure8thishormoneputsusinat
3、rusting9:InaSwissstudy,researcherssprayedoxytocinintothenosesofhalfthesubjects;thosesubjectswerereadytolendsignificantlyhigheramountsofmoneytostrangersthanweretheir10whoinhaledsomethingelse.11forus,wealsohaveasixthsensefordishonestythatmay12us.ACanadianstudyfoundthatchildrenasyoungas14monthscandiffe
4、rentiate13acrediblepersonandadishonestone.Sixtytoddlerswereeach14toanadulttesterholdingaplasticcontainer.Thetesterwouldask,“What’sinhere?”beforelookingintothecontainer,smiling,andexclaiming,“Wow!”Eachsubjectwastheninvitedtolook15.Halfofthemfoundatoy;theotherhalf16thecontainerwasempty-andrealizedthet
5、esterhad17them.Amongthechildrenwhohadnotbeentricked,themajoritywere18tocooperatewiththetesterinlearninganewskill,demonstratingthattheytrustedhisleadership.19,onlyfiveofthe30childrenpairedwiththe“20”testerparticipatedinafollow-upactivity.1.[A]on[B]like[C]for[D]from2.[A]faith[B]concern[C]attention[D]i
6、nterest3.[A]benefit[B]debt[C]hope[D]price174.[A]Therefore[B]Then[C]Instead[D]Again5.[A]Until[B]Unless[C]Although[D]When6.[A]selects[B]produces[C]applies[D]maintains7.[A]consult[B]compete[C]connect[D]compare8.[A]at[B]by[C]of[D]to9.[A]context[B]mood[C]period[D]circle10.[A]counterparts[B]substitutes[C]
7、colleagues[D]supporters11.[A]Funny[B]Lucky[C]Odd[D]Ironic12.[A]monitor[B]protect[C]surprise[D]delight13.[A]between[B]within[C]toward[D]over14.[A]transferred[B]added[C]introduced[D]entrusted15.[A]out[B
