航空安全员考试

【单选题】Clear ice is more dangerous than rime ice because it _______ ．
A.forms quickly and adheres firmly
B.adds weight to the tail section
C.forms slowly but extends well into the airstream
D.forms on the lower side of the wing, out of sight

【单选题】我国辐射雾出现的季节主要是：
A.春，夏
B.夏，秋
C.秋，冬
D.冬，春

【单选题】ILS航向信标的作用是给着陆航空器提供：
A.距离信息
B.方位信息
C.航向面
D.下滑面

【单选题】在航空上相对高度通常是指：
A.以平均海平面为基准面的高度
B.以当时飞机正下方的地平面为基准面
C.以标准海平面气压面为基准
D.以机场平面为基准面的高度

【单选题】The primary principle to follow when dealing with hijacking event is _______.
A、to conquer the hijackers at any cost
B、to ensure the safety of passengers and aircraft
C、to guarantee the economic benefits
D、to land the aircraft at domestic civil airports