2021考研英語一真題及答案

1、2021 2021 考研英語一真題及答案 考研英語一真題及答案考試采取“一題多卷”模式，試題答案順序不統(tǒng)一，請依據(jù)試題進(jìn)行核對。Section I Use of EnglishDirections: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 p

2、oints)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

3、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

4、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 d

5、ata 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

6、 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

7、 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

8、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

9、 your_____(19)of aerobic exercise and following Mediterranean-style_____(20)that is high in fiber and eliminates highly processed foods.1.【題干】1._____【選項(xiàng)】A.detectionB.accumulationC.consumptionD.separation【答案】B5.【題干】5.____