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1、 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
2、 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
3、 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
4、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 ex
5、cess 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 prote
6、ct 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. 2021 年硕士研究生考研英语一真题及解析 1 2 20 02 21 1 年全国硕士研究生入学统一考试英语一年全国硕
7、士研究生入学统一考试英语一真题及解析真题及解析 1. A. pauses B. return C. peaks D. fades 2. A. alternatively B. formally C. accidentally D. generally 3. A. while B. since C. once D. until 4. A. detection B. accumulation C. consumption D. separation 5. A. possibility B. decision C. goal D. requirement 6. A. delay B. ensure
8、C. seek D. utilize 7. A. modify B. supported C. included D. predicted 8. A. devoted B. compared C. converted D. applied 9. A. with B. above C. by D. against 10. A. lived B. managed C. scored D. played 11. A. ran out B. set off C. drew in D. went by 12. A. superior B. attributable C. parallel D. resi
9、stant 13. A. restored B. isolated C. involved D. controlled 14. A. alter B. spread C. remove D. explain 15. A. compensations B. symptoms C. demands D. treatments 16. A. Likewise B. Meanwhile C. Therefore D. Instead 17. A. change B. watch C. count D. take 18. A. well-being B. process C. formation D.
10、coordination 19. A. level B. love C. knowledge D. space 20. A. design B. routine C. diet D. prescription 参考答案： 2021 年硕士研究生考研英语一真题及解析 2 1-5：CDABA 6-10：ACBAC 11-15：DBCDD 16-20：BDAAC Section II Reading Comprehension Part A Directions: Read the following four texts. Answer the questions after each text
11、by choosing A, B, C or D. Mark your answers on the ANSWER SHEET. (40 points) Text 1 How can the train operators possibly justify yet another increase to rail passenger fares? It has become a grimly reliable annual ritual: every January the cost of travelling by train rises, imposing a significant ex
12、tra burden on those who have no option but to use the rail network to get to work or otherwise. This years rise, an average of 2.7 per cent, may be a fraction lower than last years, but it is still well above the official Consumer Price Index (CPI) measure of inflation. Successive governments have p
13、ermitted such increases on the grounds that the cost of investing in and running the rail network should be borne by those who use it, rather than the general taxpayer. Why, the argument goes, should a car-driving pensioner from Lincolnshire have to subsidise the daily commute of a stockbroker from
14、Surrey? Equally, there is a sense that the travails of commuters in the South East, many of whom will face among the biggest rises, have received too much attention compared to those who must endure the relatively poor infrastructure of the Midlands and the North. However, over the past 12 months, t
15、hose commuters have also experienced some of the worst rail strikes in years. It is all very well train operators trumpeting the improvements they are making to the network, but passengers should be able to expect a basic level of service for the substantial sums they are now paying to travel. The responsibility for the latest wave of strikes rests on the 2021 年硕士研究生考研英语一真题及解析 3 unions. However, there is a strong case that those who have been worst affected by industrial action should receive compensation for the disruption they have suffered. The Government has pledged to ch
