2021年考研英语一真题及答案解析完整版

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2021年全国硕士研究生招生考试英语(一)真题及答案

(科目代码:201)

Section I Use of English

Directions:

Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on the ANSWER SHEET. (10 points)

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 that certain changes in brain function 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 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.【题干】1._____

【选项】

A.pauses

B.return

C.peaks

D.fades

【答案】C

2.【题干】2._____

【选项】

A.alternatively

B.formally

C.accidentally

D.generally

【答案】D

3.【题干】3._____

【选项】

A.while

B.since

C.once

D.until

【答案】A

4.【题干】4._____

【选项】

A.detection

B.accumulation

C.consumption

D.separation

【答案】B

5.【题干】5._____

【选项】

A.possibility

B.decision

C.goal

D.requirement

【答案】A

6.【题干】6._____

【选项】

A.delay

B.ensure

C.seek

D.utilize

【答案】A

7.【题干】7._____

【选项】

A.modify

B.supported

C.included

D.predicted

【答案】C

8.【题干】8._____

【选项】

A.devoted

B.compared

C.converted

D.applied

【答案】B

9.【题干】9._____

【选项】

A.with

B.above

C.by

D.against

【答案】A

10.【题干】10._____

【选项】

A.above

B.managed

C.scored

D.played

【答案】C

11.【题干】11._____

【选项】

A.ran out

B.set off

C.drew in

D.went by

【答案】D

12.【题干】12._____

【选项】

A.superior

B.attributable

C.parallel

D.resistant

【答案】B

13.【题干】13._____

【选项】

A.restored

B.isolated

C.involved

D.controlled

【答案】C

14.【题干】14._____

【选项】

A.alter

B.spread

C.remove

D.explain

【答案】D

15.【题干】15._____

【选项】

A.compensations

B.symptoms

C.demands

D.treatments

【答案】D

16.【题干】16._____

【选项】

A.Likewise

B.Meanwhile

C.Therefore

D.Instead

【答案】B

17.【题干】17._____

【选项】

A.change

B.watch

C.count

D.take

【答案】D

18.【题干】18._____

【选项】

A.well-being

B.process

C.formation

D.coordination

【答案】A

19.【题干】19._____

【选项】

A.level

B.love

C.knowledge

D.space

【答案】A

20.【题干】20._____

【选项】

A.design

B.routine

C.diet

D.prescription

【答案】C