公务员流动
参考答案：
按照不同的划分标准，公务员流动有不同的类型。公务员流动须具备一定的条件，遵循一定的模式。
A．She attended one of its meetings.
B．Her roommate is a member of it.
C．She saw the members protesting.
D．She read about it in the newspaper.
无缝线路地段作业“三测”是：作业前、作业中、作业后测量（）。
A、轨长
B、轨温
C、轨宽
D、轨高
