第五章单元测试
- Intercity railways are fast and convenient passenger railways with higher service frequency, connecting adjacent cities or city clusters with a design speed of （ ） km/h or below.
- The disadvantages of high-speed and intercity railways include （ ）.
- The transportation infrastructure generally refers to （ ）.
- What makes air transportation attractive is its fast speed. So, it’s suitable for long-distance personnel exchanges. （ ）
- Ports are transportation hubs located by the sea or rivers with intermodal equipment and conditions for safe access and berthing of ships. （ ）
A:300 B:350 C:200 D:150
答案:200
A:High construction costs B:Inconvenient C:Technological challenges D:Fixed routes
A:Railways B:Ports C:Airports D:Roads
A:对 B:错
A:对 B:错
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