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  3. [originaltext] How much living space does a person need? What happens when h

[originaltext] How much living space does a person need? What happens when h

游客2023-06-25  42
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 effects of overcrowded conditions on man. Recent studies have shown that the behavior of rats is greatly affected by space. If rate have adequate living space, they eat well, sleep well, and reproduce well. However, if their living conditions become too crowded, their behavior pattern and even their health perceptibly change. They cannot sleep and eat well, and signs of fear and tension become obvious. The more crowded they are, the more they tend to bite each other and 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 essential for human survival?
16. What affects rats’ behavior?
17. What effect may inadequate living space have on rats according to the passage?
18. What is the experiment done on rats intended to prove?
选项 A、Rats can populate rapidly.
B、Population explosion can lead to violence.
C、Overcrowdedness may have the same effects on man.
D、It is a natural law that animals live and die.
答案 C
解析 短文介绍了有关老鼠的实验后提出，对老鼠而言，老鼠数量和暴力之间具有直接的关系。作者进而问道：这是否也适用人类社会?足够的空间是否也是人类生存所必需的条件?故对老鼠的研究是为人类服务的，C正确。
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