2021年考研英语一真题及答案.docx

》》》》》2023年整理优质考试资料word版本《《《《《

》》》》》2023年整理优质考试资料word版本《《《《《

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》》》》》2023年整理优质考试资料word版本《《《《《

2021年全国硕士研究生入学统一考试英语（一）试题

SectionIUseofEnglish

Directions:

Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDontheANSWERSHEET.(10points)

Fluidintelligenceisthetypeofintelligencethathastodowithshort-termmemoryandtheabilitytothinkquickly,logically,andabstractlyinordertosolvenewproblems.It 1 inyoungadulthood,levelsoutforaperiodoftime,andthen 2 startstoslowlydeclineasweage.But 3 agingisinevitable,scientistsarefindingoutthatcertainchangesinbrainfunctionmaynotbe.

Onestudyfoundthatmusclelossandthe4ofbodyfataroundtheabdomenareassociatedwithadeclineinfluidintelligence.Thissuggeststhe5thatlifestylefactorsmighthelppreventor6thistypeofdecline.

Theresearcherslookedatdatathat 7 measurementsofleanmuscleandabdominalfatfrommorethan4,000middle-to-older-agedmenandwomenand 8 thatdatatoreportedchangesinfluidintelligenceoverasix-yearperiod.Theyfoundthatmiddle-agedpeople

9 highermeasuresofabdominalfat 10 worseonmeasuresoffluidintelligenceastheyears 11 .

Forwomen,theassociationmaybe12tochangesinimmunitythatresultedfromexcessabdominalfat;inmen,theimmunesystemdidnotappeartobe13.Itishopedthatfuturestudiescould14thesedifferencesandperhapsleadtodifferent15formenandwomen.

16 ,therearestepsyoucan 17 tohelpreduceabdominalfatandmaintainleanmusclemassasyouageinordertoprotectbothyourphysicaland mental 18 .Thetwohighlyrecommendedlifestyleapproachesaremaintainingorincreasingyour 19 ofaerobicexerciseandfollowingaMediterranean-style 20 thatishighinfiberandeliminateshighlyprocessedfoods.

[A]pauses

[A]generally

[B]returns

[B]formally

[C]fades

[C]accidentally

[D]peaks

[D]alternatively

3.[A]s