2018年考研英语一真题和答案解析完整版

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1、2018考研英语一真题和答案完整版SectionIUseofEnglish　　Directions：　　Readthefollowingtext。Choosethebestword（s）foreachnumberedblankandmarkA，B，CorDontheANSWERSHEET。（10points）　　Trustisatrickybusiness。Ontheonehand，it‘sanecessarycondition1manyworthwhilethings：childcare，friendships，

2、etc。Ontheotherhand，puttingyour2，inthewrongplaceoftencarriesahigh3。　　4，whydowetrustatall？Well，becauseitfeelsgood。5peopleplacetheirtrustinanindividualoraninstitution，theirbrainsreleaseoxytocin，ahormonethat6pleasurablefeelingsandtriggerstheherdinginstructthatprom

3、ptshumansto7withoneanother。Scientistshavefoundthatexposure8thishormoneputsusinatrusting9：InaSwissstudy，researcherssprayedoxytocinintothenosesofhalfthesubjects；thosesubjectswerereadytolendsignificantlyhigheramountsofmoneytostrangersthanweretheir10whoinhaledsome

4、thingelse。　　11forus，wealsohaveasixthsensefordishonestythatmay12us。ACanadianstudyfoundthatchildrenasyoungas14monthscandifferentiate13acrediblepersonandadishonestone。Sixtytoddlerswereeach14toanadulttesterholdingaplasticcontainer。Thetesterwouldask，“What’sinhere？”

5、beforelookingintothecontainer，smiling，andexclaiming，“Wow！”Eachsubjectwastheninvitedtolook15。Halfofthemfoundatoy；theotherhalf16thecontainerwasempty-andrealizedthetesterhad17them。　　Amongthechildrenwhohadnotbeentricked，themajoritywere18tocooperatewiththetesterinl

6、earninganewskill，demonstratingthattheytrustedhisleadership。19，onlyfiveofthe30childrenpairedwiththe“20”testerparticipatedinafollow-upactivity。　　1。[A]on[B]like[C]for[D]from　　2。[A]faith[B]concern[C]attention[D]interest　　3。[A]benefit[B]debt[C]hope[D]price　　4。[A]Th

7、erefore[B]Then[C]Instead[D]Again　　5。[A]Until[B]Unless[C]Although[D]When　　6。[A]selects[B]produces[C]applies[D]maintains　　7。[A]consult[B]compete[C]connect[D]compare　　8。[A]at[B]by[C]of[D]to　　9。[A]context[B]mood[C]period[D]circle　　10。[A]counterparts[B]substitutes[

8、C]colleagues[D]supporters　　11。[A]Funny[B]Lucky[C]Odd[D]Ironic　　12。[A]monitor[B]protect[C]surprise[D]delight　　13。[A]between[B]within[C]toward[D]over　　14。[A]transferred[B]added[C]int