____ in thought, he almost ran into the

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问题选择题

____ in thought, he almost ran into the car in front him.

A．Losing

B．Having lost

C．Lost

D．To lose

答案

答案：C

考察分词用法。Be lost in陷入…;本题的形容词短语是对he的情况进行说明的。句意：陷入沉思中，他差点撞上前面的汽车。

选择题

As a film star she was a success, but as a wife she was _____ failure, so their marriage ended in _____ failure. [ ]

A. /; /

B. /; a

C. a; a

D. a; /

单项选择题

安全预警活动的前提是()。

A.诊断

B.识别

C.监测

D.评价