2021研究生考试英语(一)试题答案及解析

欢迎您阅读并下载本文档，本文档来源于互联网，如有侵权请联系删除！我们将竭诚为您提供优质的文档！2021 考研英语(一)试题答案及解析Section I Use of EnglishDirections:Read the following text.Choose the best word(s)for each numbered blank and mark A,B,Cor D on the ANSWER SHEET.(10points)Fluid intelligence is the type of intelligence that has to do with short-term memory and the ability to think quickly,logically,and abstractly in order to solve new problems.It 1 in young adulthood,levels out for a period of time,and then 2 starts to slowly decline as we age.But 3 aging is inevitable,scientists are finding out that certain changes in brainfunction may not be.One study found that muscle loss and the 4 of body fat around the abdomen are associated with a decline in fluid intelligence.This suggests the 5 that lifestyle factors might help prevent or 6 this type of decline.The researchers looked at data that 7 measurements of lean muscle and abdominal fat from more than 4,000 middle-to-older-aged men and women and 8 that data to reported changes in fluid intelligence over a six-year period.They found that middle-aged people 9 higher measures of abdominal fat 10 worse on 欢迎您阅读并下载本文档，本文档来源于互联网，如有侵权请联系删除！我们将竭诚为您提供优质的文档！measures of fluid intelligence as the years 11 For women,the association may be 12 to changes in immunity that resulted from excess abdominal fat;in men,the immune system did not appear to be 13 .It is hoped that future studies could 14 these differences and perhaps lead to different 15 for men and women.16 ,there are steps you can 17 to help reduce abdominal fat and maintain lean muscle mass as you age in order to protect both your physical and mental 18 .The two highly recommended lifestyle approaches are maintaining or increasing your 19 of aerobic exercise and following Mediterranean-style 20 that is high in fiber and eliminates highly processed foods.1.A pauses B returns 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 played欢迎您阅读并下载本文档，本文档来源于互联网，如有侵权请联系删除！我们将竭诚为您提供优质的文档！11.A ran out B set off C drew in D went by12.AJ superior B attributable C parallel D resistant13.A restored B isolated C involved D controlled14.A alter B spread C remove D explain15.A compensations B symptoms C demands D treatments16.AJ Likewise B Meanwhile C Therefore DInstead17.A change B watch C count D take18.A well-being Bprocess C formation D coordination19.A level B love C knowledge D space20.A design B routine C diet D prescription1.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(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，比欢迎您阅读并下载本文档，本文档来源于互联网，如有侵权请联系删除！我们将竭诚为您提供优质的文档！较aging is inevitable和scientists are finding out that.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 4of body fat aroundthe abdomen(腹部脂肪的 4)互相并列，借助 muscle loss(肌肉流失)可知，B 项 accumulation(积累)符合原文逻辑关系，即，肌肉流失和腹部脂肪堆积。本题答案为 B 项。干扰选项:A 项 detection(侦查)，C 项 consumption(消耗)和 D 项 separation(分离)，均不符合原文逻辑关系。5.答案A(possibility)解析语境题。This 指代上句的研究发现，本句继续介绍研究发现。比较各选项语义，A 项 possibility(可能性),B 项 decision(决定),C项 goal(目标)和 D 项 requirement(要求)，可知，A 项 possibility 符合原文语义，即，这表明生活方式因素可能有助预防这种下降的可能性。本题答案为 A 项。6.答案A(delay)解析逻辑关系题。or 提示并列，借助 prevent(预防)可知，A 项delay(延期)符合原文逻辑关系，即预防或延迟流动智力下降。本题答欢迎您阅读并下载本文档，本文档来源于互联网，如有侵权请联系删除！我们将竭诚为您提供优质的文档！案为A项。干扰选项:B项ensure(保证)，C项seek(寻求)和D项utilize(利用)，均不符合原文逻辑关系。7.答案C(included)解析语境题。本题考查连接 data(数据)和 measurements(测量结果)的 动 词 词 义。比 较 各 选 项 语 义,A 项 modified(修 改),B 项supported(支持),C 项 included(包括)和 D 项 predicted(预测)，可知 C项 included 符合原文语义，即研究人员查看了包括 4,000 多名中老年男性和女性瘦肌肉群和腹部脂肪测量结果的数据。本题答案为 C 项。8.答案B(compared)解析)逻辑关系题。and提示并列,looked at data和 8_that data to reported changes 互相并列，借助 looked at(查看)可知，B 项compared(比较)符合原文逻辑关系，且能与介词 to 构成固定搭配，compare.将.相比)。本题答案为B 项。干扰选项:其余各项与介词to构成固定搭配，A 项 devoted to.(把.用于)，C 项 converted.ot.把.转化为.)，D 项 applied.to.(把.应用于.，均不符合原文逻辑关系。9.答案A(with)解析固定搭配题。观察选项可知，本题考查介词用法。比较各选项，A 项 with(带有.，B 项 above(在.上面)，C 项 by(通过.和D 项 against(与相反)，可知，A 项 with连接 higher measures of abdominal fat，作后置定语修饰 people，符合原文语义，即，有着更高腹部脂肪的中年人。本题答案为A 项。10.答案C(scored)欢迎您阅读并下载本文档，本文档来源于互联网，如有侵权请联系删除！我们将竭诚为您提供优质的文档！解析语境题。比较各选项语义，A项lived(生活)，B项managed(管理)，C 项 scored(得分)和 D 项 played(玩耍)，可知，C 项 scored 符合原文语义，即，他们发现，有着更多腹部脂肪的中年人，在流动智力方面得分较低。本题答案为 C 项。11.答案D(went by)解析固定搭配题。借助 as the years(随着年岁.，并比较各选项语义，A 项 ran out