What is the meaning of "aviation" ?
A: transportation
B: vehicles
C: communication
D: the flying of aircrafts
A: transportation
B: vehicles
C: communication
D: the flying of aircrafts
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 are the components of a road transportation system? A: Human B: Roads C: Vehicles D: Infrastructure
- On the future battlefield, laser technology will be used ______. A: in the communication between vehicles and aircrafts only B: to both sending information to and receiving information from satellites C: widely in war due to its high capacity and low weight D: exclusively to handle the transmission of voice messages
- Westerners prefer to use direct communication meaning that they say exactly what they think.
- What is the single most important innovation to the globalization of markets and production?() A: advances in transportation technology B: the development of the microprocessor C: advances in communication D: the Internet