672 passengers can evacuate by any of the emergency slides of the aircraft.[音频]
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713 the turbulence had caused the airspeed rapid increase and decrease.[音频]
A. 对
B. 错
778 the crew doesn’t want to continue climb above 3000 feet.[音频]
A. 对
B. 错
671the cabin door is broken, so the pilot requests rapid descent to 5000 feet.[音频]
A. 对
B. 错
401 there is some change to the original clearance.[音频]
A. 对
B. 错