900 句单选 -15 字以上 -812[音频][音频]
A. Crew incapacitation
B. Unlawful interference
C. Unruly passenger
D. Medical issues
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900 句单选 -15 字以上 -821[音频][音频]
A. Short and elderly man
B. A tall man in forties
C. a yong man with medium-height
D. a strong old man
900 句单选 -15 字以上 -843[音频][音频]
A. lithium batteries
B. liquid dangerous goods
C. overheated electrical system
D. Leakage of dangerous cargo
900 句单选 -15 字以上 -81[音频][音频]
A. Departure frequency 125.9
B. initial altitude 5000 feet
C. ZF-01 D departure
D. departure runway 04
900 句单选 -15 字以上 -693[音频][音频]
A. unable to maintain level flight due engine failure
B. Unable to control airplane attitude due engine failure
C. Unable to maintain cabin pressure without engine bleed air
D. Unable to maintain speed due engine failure
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