【单选题】The light railways and subways make it ________ for people to travel around Chongqing.
【单选题】The Expo site should be _____ from anywhere in the city of Shanghai within 90 minutes by bus, subways and special taxis. [ ]
【单选题】Most subways in China can travel at the speed of _________.
【判断题】对于平衡相转变,在由高温至低温的降温过程中,因相邻两相区的相数差一,因此在由一个相区进入另一个相区时,相的总数总是增加一或减少一个。
【单选题】You can get the maps and schedules of the subways______.
D.
from the ticket offices