2. 外语
  3. Man is the only animal that laughs. Why is this true? What makes us respond as we do to pleasurable experiences? What is the his

Man is the only animal that laughs. Why is this true? What makes us respond as we do to pleasurable experiences? What is the his

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问题     Man is the only animal that laughs. Why is this true? What makes us respond as we do to pleasurable experiences? What is the history of this "happy【C1】______" , as someone once termed it, and just what is its function?
    We are not short of theories to explain the mystery; for centuries, biologists, philosophers, psychologists, and medical men have sought a definitive explanation of laughter. One writer【C2】______that its function is to【C3】______others or to prove to be better than them by insulting them. Another took the opposite view: that we laugh in order not to cry. A psychologist offered the explanation that laughter functions as【C4】______for painful experiences, and that it serves to defend a person against what the psychologist termed "the many minor pains to which man is【C5】______". In the 17th century a writer set forth the theory that we laugh when we compare ourselves with others and find ourselves superior;【C6】______, we laugh at the weakness of others.
    Virtually every theory has been concerned with either the structure or the function of laughter, whereas relatively few have been devoted to the question of its【C7】______. I propose to offer a theory which, so far as I am aware, has not previously been set forth; that only those animals capable of【C8】______are capable of laughter; and that therefore man, being the only animal that speaks, is the only animal that laughs.
    Those of us who have observed chimpanzees closely feel quite confident that the chimpanzee occasionally exhibits behavior that looks very much like a primitive human laughter. This behavior, however, has been observed only in a human context;【C9】______it occurs under natural conditions is dubious; but【C10】______that under any conditions an ape is capable of such behavior is of more than passing interest—for does it not indicate that early man had the basics of laughter?
【C6】
选项 A、instead
B、however
C、in effect
D、for instance
答案C
解析 考查上下文的理解和衔接词的选择。空格前面的部分提到，“17世纪的一种理论便是：当我们和他人相比，发现自己优越时，我们会笑”。空格后面的部分意思为“我们嘲笑他人的软弱”。后者提到对别人软弱的嘲讽，隐含了自己的优越，和前者表达的意思一致。因而，C．in effect(事实上)是正确答案；A．instead(相反)和B．however(然而)表示转折关系，不合逻辑。空格后面部分不是例子，故D．for instance(例如)不合题意。故选C。
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