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
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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
900 句单选 -15 字以上 -723[音频][音频]
A. on the stopway
B. skidded off runway 23
C. overrun the runway 23
D. on the runway 23
900 句单选 -15 字以上 -839[音频][音频]
A. Loss of radio contact
B. FMS malfunction
C. FMC failure
D. running into bad weather area
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