What is the Federal Aviation Administration doing to improve navigation at the airport?
举一反三
- What is the Federal Aviation Administration doing to improve navigation at the airport? A: It is installing ADSB in some buildings. B: It is building larger airports in some places. C: It is developing a system called NextGen. D: It is developing HDTV.
- CAAC refers to Civil Aviation Administration of ( )
- The Civil Aviation Administration of China announced that nobody on the plane was hurt.
- It can be inferred that the Federal Aviation Administration employee ______. A: had repeatedly complained to his employer B: did not get any response from his employer C: was concerned about public security D: became brave after the 9.11 disaster
- 中国大学MOOC: 请补充完整CAAC的全称：_________Aviation Administration of China.