题目内容

青木昌彦的内部人控制指的是总经理控制。

A. 正确
B. 错误

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在注释和索引中,说明有()()()三种。

十七大提出实现人均国内生产总值到2020年比2000年翻()番。

A. 一
B. 二
C. 三

机件磨损的过程大致可分为几个阶段?每个阶段的特征如何?

No sooner () than they started to repair the sludge pump.

A. the second engineer had got into the engine room
B. the second engineer got into the engine room
C. has the second engineer got into the engine room
D. did the second engineer get into the engine room

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