题目内容

900 句单选 -15 字以上 -817[音频][音频]

A. Unlawful interference on board
B. Hi-jack on board
C. Medical emergency on board
D. Passenger fighting on board

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A. 26 miles
B. 1 minute
C. 20 miles
D. 24 miles

A. Oxygen pressure is dropping
B. Nearly collide with the mountain
C. To fly heading 050
Descend to FL180

A. Flow control is exercised
B. Landing delay at the destination airport
C. Maintain FL100
D. Hold at BKM

A. Land quickly
B. make a quick heading change
C. climb immediately to avoid ice pellets
D. squawk 7700