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  3. Fluid intelligence is the type of intelligence that has to do with short-term memory and the ability to think quickly, logically

Fluid intelligence is the type of intelligence that has to do with short-term memory and the ability to think quickly, logically

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问题         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【B1】______ in young adulthood, levels out for a period of time, and then 【B2】______ starts to slowly decline as we age.But 【B3】______ aging is inevitable, scientists are finding out that certain changes in brain function may not be.
        One study found that muscle loss and the 【B4】______ of body fat around the abdomen are associated with a decline in fluid intelligence.This suggests the 【B5】______ that lifestyle factors might help prevent or 【B6】______ this type of decline.
        The researchers looked at data that 【B7】______ measurements of lean muscle and abdominal fat from more than 4, 000 middle-to-older-aged men and women and 【B8】______ that data to reported changes in fluid intelligence over a six-year period.They found that middle-aged people 【B9】______ higher measures of abdominal fat 【B10】______ worse on measures of fluid intelligence as the years 【B11】______ .
        For women, the association may be 【B12】______ to changes in immunity that resulted from excess abdominal fat; in men, the immune system did not appear to be 【B13】______ It is hoped that future studies could 【B14】______ these differences and perhaps lead to different 【B15】______ for men and women.
        【B16】______ there are steps you can 【B17】______ to help reduce abdominal fat and maintain lean muscle mass as you age in order to protect both your physical and mental 【B18】______ The two highly recommended lifestyle approaches are maintaining or increasing your 【B19】______ of aerobic exercise and following a Mediterranean-style 【B20】______ that is high in fiber and eliminates highly processed foods.
【B1】
选项 A、pauses
B、returns
C、peaks
D、fades
答案C
解析 考查动词辨析+上下文逻辑关系。文章的首段首句为主题句,谈到了流体智力(fluid intelligence)是一种智力类型,它与短期记忆和快速、逻辑和抽象地思考以解决新问题的能力有关。它在年轻时_______,在一段时间内趋于平稳，然后随着年龄的增长开始缓慢下降。pauses意为“暂停”;returns意为“恢复,返回”;peaks意为“达到顶峰”;fades意为“逐渐消退”。综合分析各选项,只有peaks符合题意,故选C。
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