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Boreal owls range over a much larger area than do other owls of similar size. The reason for this behavior is probably that the small mammals on which owls feed are especially scarce in the forests where boreal owls live, and the relative scarcity of prey requires the owls to range more extensively to find sufficient food.

Which of the following, if true, most helps to confirm the explanation above?

【选项】Some boreal owls range over an area eight times larger than the area over which any other owl of similar size ranges.

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:OG19-语文分册-167
  • 题目来源2:OG20-语文分册-178
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