Scientists are convinced______ the positive effect of laughter______ physical an - 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

考察介词。Be convinced of 为固定词组，意为对……信服 effect on sth 意为对……的影响为固定短语，所以选择C
句意为，科学家们对笑声对身心健康产生的影响深信不疑。

核心考点

试题【Scientists are convinced______ the positive effect of laughter______ physical an】；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

It is illegal for a public official (政府官员) to ask people for gifts or money_____ favors(恩惠，帮助) to them.

A．in place of	B．in agreement with
C．in exchange for	D．in spite of

题型：不详难度：| 查看答案

________ 18 June 1940, Churchill gave another fine speech when he drew attention ________ the courage of everyone defending Britain.

A．In, for

B．At, within

C．Beyond, at

D．On, to

题型：不详难度：| 查看答案

He will revenge himself____his neighbor, a mean (卑鄙的) officer, ____ the murder of his wife.

A．for; on.

B．on; for.

C．at; on.

D．on; at

题型：不详难度：| 查看答案

Don’t you think this sweater is too tight ____ the shoulder?

A．through

B．across

C．on

D．over

题型：不详难度：| 查看答案

Customs vary greatly _______ country to country.

A．from

B．at

C．for

D．with

题型：不详难度：| 查看答案

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