900 句单选 -15 字以上 -371[音频][音频]
A. Flow control is exercised
B. Landing delay at the destination airport
C. Maintain FL100
D. Hold at BKM
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900 句单选 -15 字以上 -734[音频][音频]
A. Land quickly
B. make a quick heading change
C. climb immediately to avoid ice pellets
D. squawk 7700
900 句单选 -15 字以上 -75[音频][音频]
A. expect further clearance 37
B. outbound time 2 minutes
C. 105
D. 180
900 句单选 -15 字以上 -74[音频][音频]
A. 9000feet
B. 270 degrees
C. 46
D. 1 minute
900 句单选 -15 字以上 -795[音频][音频]
A. One aircraft is in dangerous situation
B. Another flight is relaying distress message
C. The distress flight will make a forced landing on the ocean
D. The distress traffic is near the Atlantic ocean.
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