Scientists are convinced the positive effect of laughter_____physical and
题型:不详难度:来源:
Scientists are convinced the positive effect of laughter_____physical and mental health.A.of, at | B.by, in | C.of, on | D.on, at |
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答案
C |
解析
试题分析:句意:科学家确信笑会对人的身体和精神健康产生积极效果。be convinced of sth 意为对某事确信;effect on sth. 是对某物产生的效果 点评:解答此类题型要先理解题干要表达的意思,再分析各个选项中单词的词义,从中选取适合语境的一个。在平时的学习中,要重视对固定词组的总结、归纳和记忆。 |
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