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题目内容
A certain species of desert lizard digs tunnels in which to lay its eggs. The eggs must incubate inside the tunnel for several weeks before hatching, and they fail to hatch if they are disturbed at any time during this incubation period. Yet these lizards guard their tunnels for only a few days after laying their eggs.

Which of the following, if true, most helps explain why there is no need for lizards to guard their tunnels for more than a few days?
  • AThe eggs are at risk of being disturbed only during the brief egg-laying season when many lizards are digging in a relatively small area. 分析该选项
  • BThe length of the incubation period varies somewhat from one tunnel to another. 分析该选项
  • CEach female lizard lays from 15 to 20 eggs, only about 10 of which hatch even if the eggs are not disturbed at any time during the incubation period. 分析该选项
  • DThe temperature and humidity within the tunnels will not be suitable for the incubating eggs unless the tunnels are plugged with sand immediately after the eggs are laid. 分析该选项
  • EThe only way to disturb the eggs of this lizard species is by opening up one of the tunnels in which they are laid. 分析该选项
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正确答案: A
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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:OG18-文本逻辑-154
  • 正确率: 0%
  • 难度:中等

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