A、 Before you move the spoilers, tell all persons to get off the wings.
B、 Before telling all persons to get off the wings, you move the ailerons
C、 Before you move the ailerons, tell all persons to get off the wings.
答案：C
A、 Before you move the spoilers, tell all persons to get off the wings.
B、 Before telling all persons to get off the wings, you move the ailerons
C、 Before you move the ailerons, tell all persons to get off the wings.
答案：C
A. lf the drain hole is blocked, clean it.
B. lf the drain hole is leaked, clean it.
C. lf the drain hole is locked, clean it
A. 飞机燃油系统从中央或主油箱提供增压的燃油。
B. 飞机燃油供应系统给来自中央或主油箱的燃油增压
C. 飞机燃油系统提供燃油,这些燃油是从中央或主油箱增压的。
A. 把返回文件放在安全的地方。
B. 把备份文件放在安全的地方
C. 把备份文件放在安全的柜子中。
A. The exit doors are mainly used for passenger boarding
B. The exit doors are only used for evacuation.
C. The exit doors are not only used for the passengers to evacuate from the airplane but also used for normal
exit。.
A. Visual difference is acceptable between the previous surface and the new surface.
B. There should be no visual difference between the initial surface finish and the new surface finish.
C. It is forbidden to have acoustic difference between the former surface finish and the new surface finish.
A. If possible, always tell your reader what can show if the safety instruction is not accepted.
B. If possible, always tell your reader what can we do if the safety instruction is not understood
C. If possible, always tell your reader what can happen if the safety instruction is not followed.
A. 垂尾顶部安装有垂直安定面。
B. 机身后段顶部安装有垂尾。
C. 垂直安定面安装在机身尾段顶部。
A. 断开这些跳开关,装上安全夹,并挂上标牌
B. 打开这些跳开关,打保险,然后填写标牌
C. 打开这些跳开关,确保其安全性并挂上标牌
A. 大多数主要结构件对于飞机的性能起着重要的作用
B. 大多数次要结构对于飞机的性能有着重要影响
C. 多数次要机构的重要性与飞机的性能有关
A. Such wires and cables should be disable of being coupled to the ground network of the aircraft electrical
system
B. These wires and cables are capable to be connected to the aircraft electrical system ground network.
C. The connected wires and cables shall be attached to the ground network of the aircraft electrical system.
