2021考研英语一完形填空试题及答案解析.pdf
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1、2021考研英语一完形填空试题及答案解析(中公考研版)Section I Use of EnglishDirections:Read the following text.Choose the best word(s)for each numbered blank and mark A,B,C or Don the ANSWER SHEET.(10 points)Fluid intelligence is the type of intelligence that has to do with short-term memory and the abilityto think quickly,
2、logically,and abstractly in order to solve new problems.It 1 in youngadulthood,levels out for a period of time,and then 2 starts to slowly decline as we age.But3 aging is inevitable,scientists are finding out that certain changes in brain function may notbe.One study found that muscle loss and the 4
3、 of body fat around the abdomen are associatedwith a decline in fluid intelligence.This suggests the 5 that lifestyle factors might helpprevent or 6 this type of decline.The researchers looked at data that 7 measurements of lean muscle and abdominal fat frommore than 4,000 middle-to-older-aged men a
4、nd women and 8 that data to reportedchanges in fluid intelligence over a six-year period.They found that middle-aged people 9higher measures of abdominal fat 10 worse on measures of fluid intelligence as the years11.For women,the association may be 12 to changes in immunity that resulted from excess
5、abdominal fat;in men,the immune system did not appear to be 13,It is hoped that futurestudies could 14 these differences and perhaps lead to different 15 for men andwomen.16,there are steps you can 17 to help reduce abdominal fat and maintain lean musclemass as you age in order to protect both your
6、physical and mental 18.The two highlyrecommended lifestyle approaches are maintaining or increasing your 19 of aerobic exerciseand following Mediterranean-style 20 that is high in fiber and eliminates highly processedfoods.1.A pauses B returns C peaksD fades2.A alternatively Bformally CaccidentallyD
7、 generally3.A whileD untilB sinceC onceB process4.A detectionD separationB accumulationC consumption5.A possibilityD requirementB decisionC goal6.A delayD utilizeB ensureC seek7.A modifiedD predictedB supportedC included8.A devotedD appliedB comparedC converted9.A withD againstB aboveC by10.A livedD
8、 playedB managedC scored11.A ran outD went byB set offC drew in12.A superiorD resistantB attributableC parallel13.A restoredD controlledB isolatedC involved14.A alterD explainB spreadC remove15.A compensationsD treatmentsB symptomsC demands16.A LikewiseD InsteadB MeanwhileC Therefore17.A changeDtake
9、B watchC count18.A well-being C formationD coordination19.A levelDspace20.A designD prescriptionB loveC knowledgeB routineC diet2021考研英语一完形填空试题及答案解析1.【答案】C(peaks)【解析】逻辑关系题。and then提示顺承,借助slowly decline(慢慢下降)可知,C 项peaks(达到最高点)符合原文逻辑关系,即流动智力在成年早期达到峰值,之后很长一段时间趋于稳定,之后随着年龄增长,慢慢下降。本题答案为C 项。干扰选项:A 项 pauses
10、(暂停),B 项 returns(返回)和 D 项 fades(逐渐消失),均不符合原文逻辑关系。2.【答案】D(generally)【解析】语境题。比较各选项语义,A 项alternatively(二者择一一地),B 项 formally(形式上地),C 项 accidentally(偶然地)和 D 项 generally(通常),其中,D 项 generally(通常)最符合原文语义。本题答案为D项。3.【答案】A(while)【解析】逻辑关系题。观察选项可知,本题考查句内逻辑关系,比较aging is inevitable和 scientists are finding out that
11、.may not be 可知,inevitable 和 may not be 提示语义相反,即“衰老不可避免”,与“科学家们发现大脑功能的某些变化可能并非不可避免“二者语义相反。A 项 while(尽管)提示让步,符合原文逻辑关系。本题答案为A 项。干扰选项:B 项 since(由于)提示因果关系,C 项 once(一旦)提示条件关系,D 项until(到为止)提示顺承关系,均不符合原文逻辑关系。4.【答案】B(accumulation)【解析】逻辑关系题。and提示并列,muscle loss和 the 4 of body fat around theabdomen(腹 部 脂 肪 的 4)
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