High-speed trains often require
举一反三
- High-speed trains often require A: large distances B: advance reservation C: comfortable seats D: tickets
- High-speed trains travel at 300 kilometers an hour, which is about __________ normal trains. A: four times the speed as B: the speed four times of C: four times as the speed of D: four times the speed of
- High-speed trains are generally operated on dedicated lines__1__.
- There are three categories of China’s high speed trains, G, D, and C, and D travels at a speed of______. A: 416 kmph B: 350 kmph C: 250 kmph D: 200 kmph
- At 01:00, high-speed trains move into the service shop for "______"