2021年全国硕士研究生入学统一考试英语（一）（科目代码：201）考生注意事项1.答题前，考生须在试题册指定位置上填写考生编号和考生姓名；在答题卡指定位置上填写报考单位、考生姓名和考生编号，并涂写考生编号信息点。2.选择题的答案必须涂写在答题卡相应题号的选项上，非选择题的答案必须书写在答题纸指定位置的边框区域内，写在其它地方无效。3.填（书）写部分必须使用黑色字迹签字笔或钢笔书写，涂写部分必须使用2B铅笔填涂。4.考试结束，将答题卡和试题册一并装入试题袋中交回。SectionⅠUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDontheANSWERSHEET.(10points)Fluidintelligenceisthetypeofintelligencethathastodowithshort-termmemoryandtheabilitytothinkquickly,logically,andabstractlyinordertosolvenewproblems.It1inyoungadulthood,levelsoutforaperiodoftime,andthen2startstoslowlydeclineasweage.But3agingisinevitable,scientistsarefindingthatcertainchangesinbrainfunctionmaynotbe.Onestudyfoundthatmusclelossandthe4ofbodyfataroundtheabdomenareassociatedwithadeclineinfluidintelligence.Thissuggeststhe5thatlifestylefactorsmighthelppreventor6thistypeofdecline.Theresearcherslookedatdatathat7measurementsofleanmuscleandabdominalfatfrommorethan4,000middle-to-older-agedmenandwomenand8thatdatatoreportedchangesinfluidintelligenceoverasix-yearperiod.Theyfoundthatmiddle-agedpeople9highermeasuresofabdominalfat10worseonmeasuresoffluidintelligenceastheyears11.Forwomen,theassociationmaybe12tochangesinimmunitythatresultedfromexcessabdominalfat;inmen,theimmunesystemdidnotappeartobe13.Itishopedthatfuturestudiescould14thesedifferencesandperhapsleadtodifferent15formenandwomen.16therearestepsyoucan17tohelpreduceabdominalfatandmaintainleanmusclemassasyouageinordertoprotectbothyourphysicalandmental18.Thetwohighlyrecommendedlifestyleapproachesaremaintainingorincreasingyour19ofaerobicexerciseandfollowingMediterranean-style20thatishighinfiberandeliminateshighlyprocessedfoods.1.[A]pauses[B]returns[C]peaks[D]fades2.[A]alternatively[B]formally[C]accidentally[D]generally3.[A]while4.[A]detection5.[A]possibility6.[A]delay7.[A]modified8.[A]devoted9.[A]with10.[A]lived11.[A]ranout12.[A]superior13.[A]restored14.[A]alter[B]since[B]accumulation.[B]decision[B]ensure[B]supported[B]compared[B]above[B]managed[B]setoff[B]attributable[B]isolated[B]spread[C]once[C]consumption[C]goal[C]seek[C]included[C]converted[C]by[C]scored[C]drewin[C]parallel[C]involved[C]remove[D]until[D]separation[D]requirement[D]utilize[D]predicted[D]applied[D]against[D]played[D]wentby[D]resistant[D]controlled[D]explain15.[A]compensation[B]symptoms[C]demands[D]treatments16.[A]Likewise17.[A]change18.[A]well-being19.[A]level20.[A]design[B]Meanwhile[B]watch[B]process[B]love[B]routine[C]Therefore[C]count[C]formation[C]knowledge[C]diet[D]Instead[D]take[D]coordination[D]space[D]prescriptionSectionⅡReadingComprehensionPartADirections:Readthefollowingfourtexts.AnswerthequestionsbeloweachtextbychoosingA,B,CorD.MarkyouranswersontheANSWERSHEET.(40points)Text1Howcanthetrainoperatorspossiblyjustifyyetanotherincreasetorailpassengerfares?Ithasbecomeagrimlyreliableannualritual:everyJanuarythecostoftravellingbytrainrises,imposingasignificantextraburdenonthosewhohavenooptionbuttousetherailnetworktogettoworkorotherwise.Thisyear'srise,anaverageof2.7percent,maybeafractionlowerthanlastyear's,butitisstillwellabovetheofficialConsumerPriceIndex(CPI)measureofinfla...