2016英语专四听力dictation模拟练习(5)

2016-03-28 10:31:01来源:网络

2016英语专四听力dictation模拟练习(5)

  2016英语专四改革,听力部分dictation看似简单的从15个句群变成了10个,但是句子长度变长,所以考生们在考前要多练听力同时提高自己的注意力集中时长。

  Living Space

  How much living space does a person need? What happenswhen his space needs are not met? Scientists are doingexperiments on rats to try to detemp3ine the effects ofovercrowded conditions on man. Recent studies have shownthat the behavior of rats is greatly affected by space. If ratshave enough living space, they eat well, sleep well and producetheir young well. But if their living conditions become too crowded, their behavior and even theirhealth change obviously. They can not sleep and eat well, and signs of fear and worry becomeclear. The more crowded they are, and more they tend to bite each other and even kill each other.Thus, for rats, populations and violence are directly related. Is this a natural law for human societyas well? Is enough space not only satisfactory, but necessary for human survival? These areinteresting questions.

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