The speed of high-speed train is over ( ).
举一反三
- Which of the following is a possible cause of the event "the high speed train is underdeveloped in the US"? A: Americans don't like the high speed train. B: Highway network is advanced. C: The geography is unsuitable for the high speed train. D: The high speed train damages environment.
- High speed rail has the advantage over automobile in that______________.
- One of the 3 elements of high-speed train is ______ A: speed up to 199km/h B: need for a smaller curve radius C: track made with continuous welded rail D: speed up to 500km/h
- The operating speed of High-speed railway is more than ______ .
- ____is a train and rail system that reaches a high sustained rate of travel. Usually the speed is greater than 200 km/h.