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2021考研英语一真题及答案解析

科目:考研英语

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上传时间:2021-05-28

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王江涛
王江涛

新东方考研英语首席主讲,写作辅导实力教师

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田静
田静

有着丰富的教学经验以及教师培训的经验,尤其擅长帮助同学们补充基础英语的功底

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文件摘要

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 a Mediterranean-style 20 that is high in fiber and eliminates highly processed foods.

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