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【单选题】
线路充电应优先选择线路的哪侧作为充电端？（）
A.
短路容量小、距离发电机电源较远的一侧
B.
短路容量大、距离发电机电源较远的一侧
C.
短路容量小、距离发电机电源较近的一侧
D.
短路容量大、距离发电机电源较近的一侧
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参考解析：
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【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