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问题 不定项选择

下列与温度有关的叙述中正确的是 [ ]

A．在扩散现象中，温度越高，扩散进行得越快

B．布朗运动随着温度的降低而变剧烈

C．分子的无规则运动与温度无关

D．温度越高，分子的无规则运动就越激烈

答案

AD

单项选择题

His business prospered and he became a person of means. Yet, despite his great riches, he gave no arms to the needy and no thanks to his benefactors whose savings （） to his welfare.

A. had contributed

B. contributed

C. were contributed

D. did contribute
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单项选择题

甲公司是一家家电企业，2009年决定实行战略转型，新制定了开拓农村市场的战略，公司决定先对此战略的合理性进行检验，采取的措施是先在河北省试行一年。以判断其盈利能力、市场占有率等指标是否有增长，则甲公司对战略的检验是( )。

A．价值增值检验

B．竞争优势检验

C．一致性检验

D．原创性检验
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