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问题 单项选择题

对已经发生的风险事件进行的分析、鉴别，分析导致风险事件发生的原因、产生损失等内容的过程是操作风险识别的（）。

A．事前识别

B.事中识别

C．事后识别

D.综合识别

答案

参考答案：C

选择题

There are many tall old trees____ in and around our school.

A．stood

B．to stand

C．standing

D．being standing
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选择题

The roads into London were so _____ traffic that even the fire engines couldn’t get through.

A．choked up by

B．choked up with

C．choked back by

D．choked back with
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