Scientists are convinced ______ the positive effect of laughter ______ physical - 高中英语试题 - 超级试练试题库

题目

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

答案

解析

试题分析：考查固定词组。固定词组be convinced of相信…；have an effect on…对…有影响；句意：科学家们相信微笑对于身体很精神健康都有积极的影响。故C正确。
点评：be convinced of相信…；have an effect on…对…有影响；对于形容词的短语搭配在平时的学习中也要注意识记和辨析。

核心考点

试题【Scientists are convinced ______ the positive effect of laughter ______ physical 】；主要考察你对介词和介词短语等知识点的理解。[详细]

举一反三

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A．by accident

B．in vain

C．at random

D．on average

题型：不详难度：| 查看答案

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A．for

B．at

C．on

D．in

题型：不详难度：| 查看答案

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A．over; across; through	B．through; across; over
C．across; over; through	D．through; across; across

题型：不详难度：| 查看答案

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A．for the price of

B．in favor of

C．in place of

D．at the expense of

题型：不详难度：| 查看答案

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A．in need of

B．in terms of

C．in search of

D．in favor of

题型：不详难度：| 查看答案

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