問題詳情

One of the most important features that distinguish man from animals is the ability to laugh. People who have investigated the phenomenon have offered many theories to explain human laughter. Scholars in the field of psychology, for example, have done    42   on the subject of what makes people laugh. But, as usually happens, the experts disagree, and there is much   43   in the field. Some people claim that human beings laugh at things which are strange to their experience. Others feel that people laugh at what they secretly believe to be their own weaknesses. It is   44   that all people do not laugh at the same things. Sometimes people laugh at what they see; sometimes they laugh at what they hear. Humor often    45   on a knowledge of certain words or even on an understanding of a particular cultural background. There are, of course, many different sources of humor, but the important fact is that all people share the great pleasure of laughter.
42
(A)efforts 
(B)explanation 
(C)issues 
(D)research

參考答案

答案：D
難度：適中0.594156
統計：A(50),B(47),C(28),D(183),E(0) #
個人：尚未作答書單：片語/ to後面+Ving 變成動名詞、Nanotechnology is moving closer to our daily life、表時間的介係詞

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