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  3. How much living space does a person need? What happens when his space requirements are not adequately met? Sociologists and psyc

How much living space does a person need? What happens when his space requirements are not adequately met? Sociologists and psyc

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问题     How much living space does a person need? What happens when his space requirements are not adequately met? Sociologists and psychologists are conducting experiments on rats to try to determine the effect of overcrowded conditions on man. Recent studies have shown that the behavior of rats is greatly affected by space. If rats have adequate living space, they eat well, sleep well, and reproduce well. However, if their living conditions become too crowded, their behavior patterns and even their health perceptibly change. They cannot sleep or eat well, and signs of fear and tension become obvious. The more crowded they are, the more they tend to bite each other even kill each other. Thus for rats, population and violence are directly related. Is this a natural law for human society as well? Is adequate space not only desirable, but also essential for human survival?
What is the purpose of the experiments described in the passage?
选项 A、To determine how much living space a rat needs.
B、To see what happens when rats live in a limited space.
C、To know the likely effects of inadequate living space on human beings.
D、To find out the relationship between population and living conditions.
答案C
解析 细节题。本题考查实验目的，这类题目答案一般在开始介绍实验的地方。文章第二三句中的目的状语to try to determine the effeet of overcrowded conditions on man就是答案出处，对其进行压缩改写，保留关键词effect，将man改写为human beings，则得出答案为C)。
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