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
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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.
900 句单选 -15 字以上 -85[音频][音频]
A. Initial climb to 7200feet
B. departure frequency is 123.0
C. request level change enroute
D. Transponder should set as 0732
900 句单选 -15 字以上 -754[音频][音频]
A. Hailstone
B. Heavy rain
C. Volcanic ash
D. Squawk 7700
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