下载APP
【单选题】
武汉地铁电动客车目前开通线路中最高限速的标准是（）
A.
60 km/h
B.
80 km/h
C.
100 km/h
D.
90 km/h
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
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