Why did the divers perform less well in colder conditions? The number of daylight hours ______.

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问题 Why did the divers perform less well in colder conditions?
The number of daylight hours ______.

选项 A、affects the performance of workers in restaurants.
B、influences animal feeding habits.
C、makes animals like hamsters more active.
D、prepares humans for having greater leisure time.

答案B

解析 本文最后讲到:"A link between weather and mood is made believable by the evidence for a connection between behavior and the length of the daylight hours…food consumption of stags increases during the winter,reaching a peak in February/March".雄鹿在冬天吃的食物要比其它时间多,在二、三月达到高峰。可见,日照时间的长短可以影响动物的饮食习惯。其他选项不合适。
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