2. 外语
  3. The male lion’s mane consists of hair of varying length and color, covering, to varying degrees, the head, neck, shoulders, and

The male lion’s mane consists of hair of varying length and color, covering, to varying degrees, the head, neck, shoulders, and

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问题     The male lion’s mane consists of hair of varying length and color, covering, to varying degrees, the head, neck, shoulders, and chest. Schaller suggested that the mane protects the area of the body “towards which most social contact is directed” by absorbing blows and bites. Darker mane hairs are thicker than lighter hairs, so darker manes may provide better protection. These ideas suggest that males with longer and darker manes will be wounded less frequently and/or with less severity on the area covered by the mane, but direct tests of this prediction are difficult. Individual males are seldom seen daily, and the mane itself obscures many wounds beneath it from view. Furthermore, even in the best studied population, serious fights between lions are rarely observed.
Which of the following best describe the function of the highlighted portion of the passage？
选项 A、to summarize the results of an experiment
B、to provide evidence on which a particular prediction is offered
C、to offer a counterexample that undermines a propelled explanation
D、to identify a phenomenon that Schaller found difficult to explain
E、to explain the variation among individual lion manes
答案B
解析 根据第三四句可知，黑体部分描述的是一个事实，而这一事实可以帮助得到第四句的预测：更长和颜色更深的鬃毛可以更好地保护狮子，所以选项B正确。
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