The airplanes were delivered with recommended inspection programs to keep them airworthy.

A. 推荐的颠簸穿越速度

B. 推荐的尾流穿透速度

C. 推荐的乱流空气穿风速度

A. 如果维护消息未在"电流状态"中显示，则出现了连续性故障。

B. 如果维护信息未在"当前状态"中显示，则出现了间歇性故障。

C. 如果维护消息未在"当前状态"中显示，则出现了次级故障。

A. 故障隔离使用识别、寻找和纠正任何发生在飞机上的故障的方法，并提供所需的信息。

B. 故障隔离提供信息，这些信息用于定位、寻找和纠正任何发生在飞机上的故障。

C. 故障隔离提供信息，这些信息用于识别、定位和纠正任何可能会发生在飞机上的故障。

A. These tests should only use the equipment or facilities installed on the aircraft. These tests should be able to perform by the flight crews.

B. These tests should not use the special equipment or facilities that are not installed on the aircraft. These tests should be similar to the tests performed by the flight crews.

C. These tests should require the equipment or facilities installed on the aircraft rather than the special ones and should be replaceable by the tests accomplished by the flight crews.

A. 如果飞机停在机坪上，确保轮子刹车在位。

B. 如果飞机停靠在廊桥，一定确保轮档在位。

C. 如果飞机停在斜坡上,确保轮挡在位。

A. At the manufacturer＇s option, static pressure systems description and discussion may be combined with Paragraph 7.49, Pitot Pressure Systems.

B. The manufacturer could combine the description and discussion of the dynamic pressure systems in Paragraph 7.49, Pitot Pressure Systems.

C. The manufacturer decides to insert static pressure systems description and discussion into Paragraph 7.49, Pitot Pressure Systems.

A. 使用危险品时穿上防护服。

B. 使用溶剂时穿上防护服。

C. 使用易感染物品时穿上防护服。

A. 如果油箱中不是所需的油液，可能会使泵损坏。

B. 如果油箱中的油量过多，可能会使泵损坏。

C. 如果油箱中的油量不足，可能会使泵损坏。

A. 确保指示灯点亮后叶片展开。

B. 确保叶片打开时指示灯点亮。

C. 确保叶片展开的过程中指示灯点亮。

A. 货舱里有地板和衬层。衬层防止货舱内出现烟雾，防止对衬层和导线造成损坏。

B. 货舱里有地板和衬层。衬层使烟雾留在货舱，防止对衬层和导线造成损坏。

C. 货舱里有地板和衬层。衬层使烟雾留在货舱，防止对管路和导线造成损坏。