If you are like most people, your intelligence varies from season to season. You are probably a lot sharper in the spring than y

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问题     If you are like most people, your intelligence varies from season to season. You are probably a lot sharper in the spring than you are at any other time of the year. A noted scientist, Ellsworth Huntington (1876—1974) concluded from other men’s work and his own among peoples in different climates that climate and temperature have a definite effect on our mental abilities.
    He found that cool weather is much more favorable for creative thinking than is summer heat. This does not mean that all people are less intelligent in the summer than they are during the rest of the year. It does mean, however, that the mental abilities of a large number of people tend to be lowest in the summer.
    Spring appears to be the best period of the year for thinking. One reason may be that in spring man’s mental abilities are affected by the same factors that bring about great changes in all nature.
    Fall is the next-best season, then winter. As for summer, it seems to be good time to take a long vacation from thinking.
Huntington based his conclusions on______.

选项 A、records of changes in his own intelligence
B、work with peoples in different climates
C、records of temperature changes
D、all of the above

答案B

解析 第一段第三句说:“一个著名的科学家,埃尔斯沃思·亨廷顿从别人的和自己的对于不同气候下人们的智力情况的研究中得出结论:季节和温度对我们的大脑能力有确定的影响。”由此我们可知,选项B正确,即亨廷顿得出的结论是基于对在不同气候下人们的研究工作。选项A、C、D均与文章内容不符。
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