A、At the start of each winter season
B、After every 24-hour period
C、When a new type of contaminant appears
D、When the depth of deposit exceeds 10cm
答案：C
A、At the start of each winter season
B、After every 24-hour period
C、When a new type of contaminant appears
D、When the depth of deposit exceeds 10cm
答案：C
A. 正常情况下的沟通协调
B. 非正常情况的应急准备
C. 紧急情况的分工与配合
D. 空防保卫预案的制定
A. 直接执行燃油不平衡检查单
B. 评估燃油指示误差后再执行检查单
C. 立即报告ATC并开始放油
D. 通知乘务员准备紧急着陆
A. 军民合用
B. 民用
C. 军用
A. 正确
B. 错误
A. 200
B. 300
C. 400
A. 机长
B. 副驾驶
C. 主任乘务长/乘务长
D. 安全员
A. Immediate turn after passing the waypoint
B. Overflying the waypoint before making any turn
C. No action as it＇s a virtual point
D. A descent to a lower altitude
A. 应答机识别
B. 报告航班号及通播代码
C. 报告飞机型号
D. 以上全部
A. 保持情景意识
B. 合理分工通信职责
C. 遵守无线电通信规则
D. 监听无线电并佩戴耳机
A. 15 400
B. 20 500
C. 30 100
