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  3. Honeybees cannot live alone. Their body structure and instincts equip them for life in a colony(群居)or community, where they have

Honeybees cannot live alone. Their body structure and instincts equip them for life in a colony(群居)or community, where they have

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问题     Honeybees cannot live alone. Their body structure and instincts equip them for life in a colony(群居)or community, where they have a complex social organization and the various duties are divided among the individuals according to physical fitness and age. An individual worker bee cannot reproduce itself. While it may continue to live if forcibly isolated from its mates， it fails to care for itself adequately(足够), and soon dies. Most insects have the ability to hibernate(冬眠)in winter, but the honeybee seems to have lost this. Since at low temperatures the bee will die, it must have the ability to make its own environment, so far as temperature is concerned. This makes a colony necessary to the bees in winter, so that they may collectively warm each other. Efficiency, if not necessity, demands that the work of the colony be divided, and such a division of labor tends to increase the need to maintain the colony. The physical structure of the honeybee is further suited for the defense of the entire colony rather than for its own defense. The bee’s barbed(有刺的)sting is used only once and is made more effective by the fact that it is left behind in the victim. With the loss of the sting, however, the bee dies. This kind of defensive weapon is not of service to the individual, but to the community.
According to the passage, bees are fitted for communal life by virtue of their______.
选项 A、flexibility and initiative
B、intelligence and sensitivity
C、independence and endurance
D、instincts and form
答案D
解析 文章第二句Their body structure and instincts equip them for life in a colony or community…．它们的身体构造及本能使它们适合在群体或社团中生活……，D项与此相符，所以D为正确答案。
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