____is a train and rail system that reaches a high sustained rate of travel. Usually the speed is greater than 200 km/h.
举一反三
- High –speed rail is public transport by rail at speeds in excess of ________ km/h.
- The speeds at which a train must travel to quality as “high-speed” vary form country to country, ranging from _______ km/h to over ________ km/h.
- What's the highest speed of the Bejing to Shanghai high speed rail? A: 408km/h B: 315km/h
- 中国大学MOOC: _______ holds the world record for the fastest train with wheels with speed 574.8 km/h.
- What are the reasons for people to choose high-speed rail? A: convenient ticket purchasing B: fast running speed C: high punctuality rate D: effortless transfer