A、 with
B、 because
C、 due to
D、 under
答案:空
A、 with
B、 because
C、 due to
D、 under
答案:空
A. released
B. refused
C. rejected
D. removed
A. minimum sector altitude
B. minimum safety altitude
C. air line safety altitude
D. decision altitude
A. submit
B. fill
C. send
D. transmit
A. takeoff
B. departure clearance
C. ATC clearance
D. departure
A. cleared for take–off
B. proceed to the front of the landing pattern
C. you may pass the aircraft ahead of you
D. proceed with your message
A. available
B. used
C. possible
D. served
A. arrange
B. direct
C. vector
D. stack
A. 1000
B. 600
C. 300
D. 400
A. 5
B. 9
C. 10
D. 27
A. separate traffic
B. keep the need for coordination
C. reduce the work load on individual controller
D. both B & C