Make sure the girt bar is not engaged in the floor-mounted escape slide brackets.

A. 不要加注过量燃油。

B. 不要使用未知性能的燃油。

C. 不要使用性能未知的油液。

A. The positive pressure relief valves are fail safe devices. If the aft outflow valve cann’t be closed, these positive pressure relief valves bleed fuselage pressure overboard.

B. The positive pressure relief valves are fail safe devices. If the positive pressure relief valves fails closed, these aft outflow valve bleed fuselage pressure overboard.

C. The positive pressure relief valves are fail safe devices. If the aft outflow valve fails closed, these positive pressure relief valves bleed fuselage pressure overboard.

A. 制造商的维修文件中应包含制造厂的技术人员的联系方法，以便在修理和更换受损部件方面和超出标准修理的部分提供帮助。

B. 制造商的维修记录应包括制造商厂的技术人员的联系方法，以便了解在标准修理范围之外修理和更换受损部件方面的信息。

C. 制造商的维修文件中应包含如何制造厂的技术人员的指令，以便在修理和更换受损部件方面和超出标准修理的部分提供帮助

A. Maximum altitude loss during stall recovery is approximately 800 feet.

B. Maximum altimeter loss during spin recovery is about 800 feet.

C. Maximum weight loss during stall recovery is nearly 800 feet.

A. 增加化合物的热量可以使愈合过程变慢。

B. 为了使固化过程变慢，降低对化合物加热的温度。

C. 为了加速固化过程，减少施加到化合物的热量。

A. Propellers must be overhauled in a satisfactory shop which should be supplied by the propeller manufacturer in accordance with data.

B. Overhaul of propellers and the shop must meet the data of the propeller manufacturer.

C. Overhaul of propellers must be accomplished in a qualified shop in accordance with data supplied by the propeller manufacturer.

A. Different meanings occur when words are combined in different ways.

B. When words can link up in different ways, ambiguity occurs.

C. Misunderstanding happens when words are contained in different modes.

A. Light surface blooming, which can occur on items in storage, is not detrimental to the component.

B. Surface blooming, often found on corroded items, has little adverse effect on the component when it is mild.

C. Items in storage tend to have surface blooming which is beneficial to the component.

A. 系统由多个部件组成时，如防冰系统由螺旋桨除冰带、机翼和尾翼除冰带或加热的空速静压口等组成，因为各项设备均须获得FAA批准并单独销售，所以可以为此类各个部件提供“补充程序”。

B. 由数个组件组成的系统，如防冰系统，每个组件可能都有“补充程序”，如螺旋桨靴、机翼和尾翼靴或加热空速静态源，如果设备是FAA批准的组件并单独销售。

C. 由多部件组成的系统，如防冰系统，如果设备是经FAA批准并单独销售的，可为每个部件提供“补充程序”，如螺旋桨套、机翼和尾翼套，或加温速度静态源。

A. 氧气系统包括氧气瓶、释压阀、关断阀、出气口、调节器、面罩等。

B. 供氧系统包括氧气瓶、释放阀、截止阀、排气口、监管者、面罩等。

C. 供氧系统包括氧气瓶、开关阀、切断阀、紧急出口、调节器、面罩等。