The duty of an air traffic controller is to primarily ①__________________a collision between ②______________ operating in the system and to ③___________________ the flow of traffic, and to provide ④_________________ services like ⑤_________________ when able and required.
举一反三
- Air traffic control provides traffic ______ services to the aircraft on a time permitting basis.
- 中国大学MOOC: 1.Who is in charge of communicating with the air traffic controller?
- 请将下列段落翻译成汉语：Air traffic control (ATC) is a service provided by ground-based controllers who direct aircraft on the ground and in the air. The primary purpose of ATC systems worldwide is to separate aircraft to prevent collisions, to organize and expedite the flow of traffic, and to provide information and other support for pilots when able.
- Air traffic control provides traffic ______ services to the aircraft on a time permitting basis. A: advisory B: warning C: support D: assistant
- There is a tremendous strain on the air traffic system because the military are managing the airspace.