What are the components of a road transportation system?
A: Human
B: Roads
C: Vehicles
D: Infrastructure
A: Human
B: Roads
C: Vehicles
D: Infrastructure
举一反三
- 交通工具和设施 A: transportation vehicles B: transportation vehicles and facilities C: vehicles and facilities D: transportation and facilities
- What is the meaning of "aviation" ? A: transportation B: vehicles C: communication D: the flying of aircrafts
- Among the following modes of transportation, ( ) is the earliest mode of transportation used by human beings, but it still plays an important role in the modern transportation system. A: Railway transportation B: Water transportation C: Road transportation D: Pipeline transportation
- Partially-autonomous vehicles may _____. A: expect a human driver to take over when running into uncertainty B: communicate with other vehicles or infrastructure C: be capable of self-driving all the time D: not need a steering wheel
- 中国大学MOOC: An urban transportation system can be further characterized by three major components: