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【多选题】
工作地点，应停电的线路和设备中，包含危及线路停电作业安全，且不能采取相应安全措施的（）线路。
A.
交叉跨越
B.
平行线路
C.
同杆（塔）架设
D.
通信线路
参考答案：
参考解析：
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举一反三
【单选题】Subways are underground trains, which usually operate 24 hours a day. They are found in larger cities and usually run between the suburbs and the downtown area. Maps and schedules are available from t...
A.
within downtown areas
B.
away from city centers
C.
in or outside big modern cities
D.
between suburbs and city centers