2021年全国硕士研究生入学统一考试英语试题SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDonANSWERSHEET1.(10points)Fluidintelligenceisthetypeofintelligencethathastodowithshort-termmemoryandtheabilitytothinkquickly,logically,andabstractlyinordertosolvenewproblems.Itlinyoungadulthood,levelsoutforaperiodoftime,andthen2startstoslowlydeclineasweage.But3agingisinevitable,scientistsarefindingoutthatcertainchangesinbrainfunctionmaynotbe.Onestudyfoundthatmuscle1ossandthe4ofbodyfataroundtheabdomenareassociatedwithadeclineinfluidintelligence.Thissuggeststhe5thatlifestylefactorsmighthelppreventor6thistypeofdecline.Theresearcherslookedatdatathat7measurementsofleanmuscleandabdominalfatfrommorethan4,000middle-to-older-agedmenandwomenand8thatdatatoreportedchangesinfluidintelligenceoverasix-yearperiod.Theyfoundthatmiddle-agedpeople9highermeasuresofabdominalfat10worseonmeasuresoffluidintelligenceastheyears11.Forwomen,theassociationmaybe12tochangesinimmunitythatresultedfromexcessabdominalfat;inmen,theimmunesystemdidnotappeartobe13.Itishopedthatfuturestudiescould14thesedifferencesandperhapsleadtodifferent15formenandwomen.16therearestepsyoucan17tohelpreduceabdominalfatandmaintainleanmusclemassasyouageinordertoprotectbothyourphysicalandmental18.Thetwohighlyrecommendedlifestyleapproachesaremaintainingorincreasingyour19ofaerobicexerciseandfollowingMediterranean-style20thatishighinfiberandeliminateshighlyprocessedfoods.1.[A]pauses[B]return[C]peaks[D]fades2.[A]alternatively[B]formally[C]accidentally[D]generally3.[A]while[B]since[C]once[D]until4.[A]detection[B]accumulation[C]consumption[D]separation5.[A]possibility[B]decision[C]goal[D]requirement6.[A]delay[B]ensure[C]seek[D]utilize7.[A]modified[B]supported[C]included[D]predicted8.[A]devoted[B]compared[C]converted[D]applied9.[A]with[B]above[C]by[D]against10.[A]lived[B]managed[C]scored[D]played11.[A]ranout[B]setoff[C]drewin[D]wentby12.[A]superior[B]attributable[C]parallel[D]resistant13...
