What is the conversation mainly about? [originaltext]M: Well, you seemed to be h

游客2023-11-06  23

问题 What is the conversation mainly about?
M: Well, you seemed to be having fun watching the movie.
W: Yeah, I think it kept me laughing from the start.
M: Whenever I watch comedy, I always like to know why people like to laugh. I mean, why does it feel so good to laugh?
W: I heard from my biology professor that even after centuries of scientific research, no one knows for sure why human beings and just a few primates laugh.
M: I read somewhere that Charles Darwin thought that laughter, which begins with small babies, was like evolutionary "reward" to the mother and father. Baby’s laughter sounded and felt so different from crying, he believed, that even prehistoric parents must have interpreted it as a sign of well-being, kind of like the purring of a kitten. The parents enjoyed the laughter, which encouraged them to continue caring for the child.
W: Researchers have found it has a positive effect on many patients and it produces certain hormones that actually switch on the body’s immune system and actually help fight off diseases.
M: I’ve heard that apes also like laughing.
W: I heard that too. Apes and a few other primates laugh, but no other animals do.
M: That’s interesting.

选项 A、The purpose of laughter.
B、The cause of laughter and its effects.
C、When do people laugh?
D、The origin of laughter.

答案 B

解析 主旨大意题。对话从看电影人们会大笑开始,谈到人类笑的原因,以及产生的一些积极影响,如促进人体分泌某些种荷尔蒙、刺激人体免疫系统、帮助人们抵御疾病。所以选择B。
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