A、 climb
B、 climbing
C、 descend
D、 descending
答案:空
A、 climb
B、 climbing
C、 descend
D、 descending
答案:空
A. runway number and tower frequency
B. the altitude to which the aircraft is to climb and heading
C. MAD and distance from touchdown
D. the navaid or fix where the aircraft is to proceed and the fight level/altitude
A. go on
B. discontinue
C. notify
D. follow
A. aircraft full call sign
B. abbreviated aircraft call sign
C. type of message
D. all of the above
A. 1
B. 3
C. 4
D. 5
A. controller
B. pilot-in-command
C. dispatcher
D. supervisor
A. the pilot may omit procedure turn
B. an ASR approach may be available to the pilot in poor visibility
C. controller can provide recommended altitudes on final approach
D. a two-way radio is the only airborne radio equipment required
A. On account of
B. Because of
C. For the reason of
D. On the purpose of
A. overshooting
B. overheating
C. overwarning
D. overworking
A. unuseful
B. unserviceable
C. enforceable
D. unnecessary
A. 10
B. 20
C. 25
D. 50