It is not stated but implied in the passage that ______.
A、Ellsworth Huntington is a fortune-teller rather than a scientist
B、cool weather is more effective on man's creative thinking
C、certain elements in nature are more active in one season than in other seasons
D、summer is a good season for vacation
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试题解析
50.答案为A。根据第二段第一句,He found that cool weather is much more favorable for creative thinking than summer heat is作出该项选择。