题目内容

900 句单选 -549[音频][音频]

A. Due low visibility
B. due traffic congestion
C. Due left engine fuel leak
Due fuel leak on Starboard engine

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A. To continue their flight
B. To contact company engineer
C. To extinguish fire
D. To evacuate the passengers

A. Normal speed
B. Low speed
C. High speed
D. minimum approach speed

A. RAT
B. APU
C. Pneumatic cart
D. Engines

A. Fire extinguisher
B. Fire truck
C. Ground crew
D. external visual observation