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问题 多项选择题

下列关于设备不停电时的安全距离的说法中，正确的是（）。

A.10kV的安全距离为0.7m

B.35kV的安全距离为1.0m

C.110kV的安全距离为2.0m

D.220kV的安全距离为3.0m

E.500kV的安全距离为5.0m

答案

参考答案：A, B, D, E

单项选择题

A client who was found huddled in her apartment by the police is admitted to the clinic. The client stares toward one corner of the room and seems to be responding to something not visible to others. She appears hyperalert and scared. Which of the following conclusion by the nurse is most appropriate according to the situation

A. Nothing is wrong because the client isn’t a threat to society.
B. The client is malingering.
C. The client may be hallucinating.
D. The client is suicidal.
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多项选择题

下列指标中，（）属于运行图质量指标。

A.客、货列车走行公里

B.客、货列车行车量

C.客、货列车平均技术速度

D.货物列车平均旅行速度

E.机车周转时间和机车日车公里
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