• 1.   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 _ in young adulthood, levels out for a period of time, and then _ starts to slowly decline as we age. But _ aging is inevitable, scientists are finding that certain changes in brain function may not be.   One study found that muscle loss and the _ of body fat around the abdomen are associated with a decline in fluid intelligence. This suggests the _ that lifestyle factors might help prevent or _ this type of decline.   The researchers looked at data that _ measurements of lean muscle and abdominal fat from more than 4,000middle-to-older-aged men and women and _ that data to reported changes in fluid intelligence over a six-year period. They found that middle-aged people _ higher measures of abdominal fat _ worse on measures of fluid intelligence as the years _ .   For women, the association may be _ to changes in immunity that resulted from excess abdominal fat; in men, the immune system did not appear to be _ . It is hoped that future studies could _ these differences and perhaps lead to different _ for men and women.   _ , there are steps you can _ to help reduce abdominal fat and maintain lean muscle mass as you age in order to protect both your physical and mental _ . The two highly recommended lifestyle approaches are maintaining or increasing your _ of aerobic exercise and following a Mediterranean-style _ that is high in fiber and eliminates highly processed foods.

    完型填空 2021年 ● 考研英语(一)

  • 2.   Simply saying thank you doesn't seem enough in certain situations. I was considering this while working as a _ Just a few weeks ago. And it came to me then how much easier it would be if we had a range of words that express different _ of gratitude (感谢).   My thoughts were soon _ . We had a woman patient who was _ from a knee replacement operation. One afternoon, while _ to get into bed she collapsed (倒下) from what was _ discovered to be a heart attack. The collapse was disastrous, _ the emergency medical team and good teamwork. But she recovered, though _ ,and was ready for discharge (出 院)after four weeks.   She was _ for everything that the medical and nursing team had done for her. On her day of discharge, we shared in her _ at her recovery. As she was _ she was eager to say _ to each of us in the nursing team. When she _ one nurse, she tried to press a five-pound note into her hand. My colleague _ to accept it, saying that we were all just _ our job. The patient looked puzzled, and then _ : "Oh this isn't for the _ I had. I take that as a _ . No, this is for setting my hair yesterday.''   And there you have it. To many people, _ lives is part of the job but styling hair is an _ and should be rewarded.

    完型填空 2021年 ● 安徽卷

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