2021年考研英语(一)真题及参考答案.docx

2021年考研英语(一)真题及参考答案 2021年考研英语（一）真题及答案解析（网络版） Section I Use of Language Directions： Read the following text． Choose the best word（S） for each numbered blank and mark A， B ，C or D on ANSWER SHEET． （10 Points） As many people hit middle age， they often start to notice that their memory and mental clarity are not what they used to be． We suddenly cant remember 1 we put the keys just a moment ago， or an old acquaintances name， or the name of an old band we used to love． As the brain 2 ， we refer to these occurrences as senior moments． 3 seemingly innocent， this loss of mental focus can potentially have a（an） 4 impact on our professional， social， and personal 5 ． Neuroscientists， experts who study the nervous system， are increasingly showing that theres actually a lot that can be done． It 6 out that the brain needs exercise in much the same way our muscles do， and the right mental 7 can significantly improve our basic cognitive 8 ． Thinking is essentially a 9 of making connections in the brain． To a certain extent， our ability to 10 in making the connections that drive intelligence is inherited． 11 ， because these connections are made through effort and practice， scientists believe that intelligence can expand and fluctuate 12 mental effort． Now， a new Web－based company has taken it a step 13 and developed the first brain training program designed to actually help people improve and regain their mental 14 ． The Web－based program 15 you to systematically improve your memory and attention skills． The program keeps 16 of your progress and provides detailed feedback 17 your performance and improvement． Most importantly， it 18 modifies and enhances the games you play to 19 on the strengths you are developing－－much like a（n） 20 exercise routine requires you to increase resistance and vary your muscle use． 1．[A]where [B]when [C]that [D]why 2．[A]improves [B]fades [C]recovers [D]collapses 3．[A]If [B]Unless [C]Once [D]While 4．[A]uneven [B]limited [C]damaging [D]obscure 5．[A]wellbeing [B]environment [C]relationship [D]outlook 6．[A]turns [B]finds [C]points [D]figures 7．[A]roundabouts [B]responses [C]workouts [D]associations 8．[A]genre [B]functions [C]circumstances [D]criterion 9．[A]channel [B]condition [C]sequence [D]process 10．[A]persist [B]believe [C]excel [D]feature 11．[A]Therefore [B]Moreover [C]Otherwise [D]However 12．[A]according to [B]regardless of [C]apart from [D]instead of 13．[A]back [B]further [C]aside [D]around 14．[A]sharpness [B]stability [C]framework [D]flexibility 15．[A]forces [B]reminds [C]hurries [D]allows 16．[A]hold [B]track [C]order [D]pace 17．[A] to [B]with [C]for [D]on 18．[A]irregularly [B]habitually [C]constantly [D]unusually 19．[A]carry [B]put [C]build [D]take 20．[A]risky [B]effective [C]idle [D]familiar 答案：1－5 ABDCA 6－10 ACBDC 11－15 DABAD 16－20 BDCCB 1． [标准答案] [A] [考点分析] 上下文语义和连词辨析 [选项分析] 本题考查连词。

依据上下文意思，首先可以排解[B][C][D]这句话中 where 引导一个状语语从句，主要是说记不清把钥匙放在哪里了 2． [标准答案] [B] [考点分析] 上下文语义和动词辨析 [选项分析] As the brain 2 we refer to these occurrences as senior moments这句话的意思是“由于大脑 2 我们称这些现象为“瞬间性老年痴呆”，由此可以排解[A] 和 [C][D]collapse意为：使倒塌，使崩溃，不符合题意fades考察熟词僻意，通常意思为褪色，逝去还有年轻的意思，这里就考察是年轻的意思从前文可以看出，文章讲的是随着年龄增长，大脑年轻所以选[B] 3． [标准答案] [D] [考点分析] 规律连接题 [选项分析] [A] if 表示假设“假如”[B] Unless “除非，假如不”[C]Once “一旦” [D]While，“虽然，然而”表转折这句话的意思是虽然表面上看起来没什么，但是危害很大，前后位转折关系，所以选D 4． [标准答案] [C] [考点分析] 上下文语义和词汇辨析 [选项分析] 这四个选项均为形容词，[A] 表示“不匀称”， [B] 表示“有限的”， [C] 表示“有破坏性的，损坏的”， [D] 表示“模糊的，晦涩的”。

这句话意思是这种精神能量的缺失会给我们带来 的影响依据上下文的意思，可以排解 [A] 和 [D]而“有限的影响”明显不足以表达危害的严峻性，故可以排解[B] 选项[C] “带来有害的影响”最符合意图 5． [标准答案] [A] [考点分析] 上下文语义和名词辨析 [选项分析] 本句话含义是这种精神能量的缺失会给我们的职业、社交还有个人 带来有害的影响[A] wellbeing “幸福”[B]environment “环境”[C] relationship “关系”[D] outlook “展望”and连接若干名词，这些名词应当为同一类，职业、社交都是和个人相关，排解[B] 和[D]，[C] personal relationship就是social的意思，不能重复，选择[A]，个人幸福 6． [标准答案] [A] [考点分析] 固定搭配 [选项分析] [A] it turns out that “原来，其实” [B]it finds out that“本文发觉”[C] it points out that“指出”[D] it figures out that“本文发觉”。

It代表神经科学，这句话的意思是越来越多的精神学家们都表示，大脑其实跟肌肉一样需要运动这里给出的是神经科学的结论， 因此选择it turns out that 7． [标准答案] [C] [考点分析] 上下文语义和名词辨析 [选项分析] 这四个选项均为名词[A] roundabouts径直路线[B]responses回应 [C]workouts熬炼，[D]associations协会[C]workouts熬炼，与前文消失的exercise都有“熬炼，”的意思，近义词复现，所以选[C] 8． [标准答案] [B] [考点分析] 上下文语义和名词辨析 [选项分析] 这四个选项均为名词[A]genre类型，种类[B]functions功能 [C]circumstances状况，环境[D]criterion批判推断的标准、准则这句话的意思是正确的智力运动能极大地提高我们最基本的认知功能，依据语义，选择[B]functions功能 9． [标准答案] [D] [考点分析] 上下文语义和名词辨析 [选。