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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【多选题】能作出相交于两条直线的水平线有()
A.
两条一般位置直线
B.
一条一般位置直线，一条铅垂线
C.
不在同一水平面的两条正垂线
D.
一条一般位置直线，一条正平线
E.
不在同一水平面的两条侧垂线
【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