The minimum time between checks is two minutes.

A. 在性能图表和表格中，始终使用KNOTS，以避免将节(KTS)和英里每小时(MPH)混淆。

B. KNOTS在性能图和表格中一直被使用，以防止将节(KTS)和英里每小时(MPH)定义混淆。

C. 为了防止在节(KTS)和英里每小时(MPH)之间进行选择，规定在性能图表和表格中始终使用KNOTS。

A. When you access to the rear fuselage through the access panel.

B. When you get to the aft aircraft body through the control panel.

C. As you reach to the aft part of the aircraft by the visit door.

A. Values in the limited range should not include parameters or variables not mentioned in the manual.

B. The specification of a given range of values in the manual excludes parameters and variables.

C. The range of values should not exceed the parameters or variables given in the manual.

A. 始终遵守如下保持电线处于良好状况的法规。

B. 始终遵守预防措施，然后保持电线处于良好状况。

C. 始终遵守如下预防措施以保持电线处于良好状况。

A. The fuselage is a semi-monocoque structure.

B. The fuselage is a demi-plate.

C. The airframe is of half-shell structure.

A. 执行所有的程序。

B. 执行以下程序。

C. 执行以上程序。

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. 所有在此区域人员必须使用护目镜。

B. 所有在此区域人员必须使用防护服。

C. 所有在此区域人员必须使用呼吸设备。

A. Those units and components are responsible for storing and delivering fuel to the turbines system, including engine-driven fuel pumps, fuel tanks (airbags), valves, booster pumps, etc. and provide components for dumping fuel overboard.

B. Those units and components are used to store and deliver fuel to the engine, including engine-driven fuel pumps, integral tanks (bladder), valves, boost pumps, etc., and those components which furnish a means of in-flight fuel dumping .

C. Those units and components are designed to store and deliver fuel to the gas engine system, including engine-driven fuel pumps, fuel tanks (airbags), valves, booster pumps, etc. and units to pour fuel to the air.

A. Inform the administration of the problem.

B. Announce the problem to the operator.

C. Tell the manufacturer about the problem.