2. 外语
  3. Which of the following most accurately states the main idea of the passage? It can be inferred from the passage that the perfor

Which of the following most accurately states the main idea of the passage? It can be inferred from the passage that the perfor

admin2009-04-18  62
问题 Which of the following most accurately states the main idea of the passage?
It can be inferred from the passage that the performance of tasks in naked mole rat colonies differs from task performance in eusocial insect societies in which of the following ways?
选项 A、In naked mole rat colonies, all tasks ate performed cooperatively.
B、In naked mole rat colonies, the performance of tasks is less rigidly determined by body shape.
C、In naked mole rat colonies, breeding is limited to the largest animals.
D、In eusocial insect societies, reproduction is limited to a single female.
E、In eusocial insect societies, the distribution of tasks is based on body size.
答案B
解析 The best answer is B. According to lines 19-24, in eusocial insect societies, role is defined by “behavior, body shape, and physiology.” For naked mole rats, in contrast, “reproductive status…, body size, and perhaps age” influence behavior; no mention is made of body shape. The passage does not indicate whether all tasks are performed cooperatively in eusocial societies, so A is incorrect. Choice C is incorrect: the passage contains no information about the relative size of breeders in insect societies. Choice D is incorrect because reproduction rat societies. Choice E is not correct: body size is not mentioned as affecting the distribution of tasks in eusocial insect societies.
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