The diagram shall be arranged so that the flow of the system can be traced with a minimum of effort.

A. 一些类型的飞机（如涡轮螺旋桨飞机）在确定VMCA时，可能受自动螺旋桨桨矩控制装置的影响，因飞机在降低发动机功率模拟一发失效时遇到的阻力要比实际一发失效时遇到的阻力更大。

B. 某些类型的飞机（例如涡轮螺旋桨驱动的）可以用自动螺旋桨桨距控制装置来确定VMCA，该装置可能比不工作的发动机具有更大的阻力，以模拟发动机故障。

C. 一些类型的飞机（如涡轮螺旋桨飞机）可能有自动螺旋桨间距控制装置确定的VMCA，与不工作的发动机相比，在模拟发动机故障降低功率运行时发动机可能有更大的阻力。

A. 本程序给出了用于水管临时修理的两种方法。

B. 本程序给出了水管的永久修理方法。

C. 本程序详细阐述了两种方法来解决水管的修理。

A. After finishing the following procedure, repair the upper flange.

B. Repair the lower flange first during the procedure that follows.

C. Repair the upper flange first during the following procedure.

A. The mechanic removed the cable roller and examined the surrounded area in detail. No other defects were found.

B. The mechanic removes the cable rotor and examines the adjacent area in detail. No other defects are noted.

C. The mechanic removed pulley and inspected the surrounding area in detail with no other defects found.

A. For all fuel loadings, the initial airplane weight should be the maximum allowable.

B. The initial airplane weight should contain the maximum allowable for all fuel loads.

C. For all kinds of fuels, the initial aircraft weight should be the maximum allowable.

A. 保护漆将防止腐蚀达6个月。

B. 保护涂层将防止锈蚀达6个月。

C. 保护漆将保护腐蚀达6个月。

A. 中心句是一篇文章的第一句，也是最重要的一句。

B. 总结句是一节内容的第一句，也是最重要的一句。

C. 主题句是一段话的第一句，也是最重要的一句。

A. They comprise the three parts as follows:tail assembly,the structures at the rear of the airplane ,structures forming part of and attached to the wing.

B. They include three parts,one of them is tail assembly,one of them is the structures part at the rear of the airplane,one of them is structures part that forming part of and attached to the wing.

C. They include two parts,one of them is tail assembly at the rear of the airplane that serve to control and maneuver the aircraft,another of them is structures part that forming part of and attached to the wing.

A. 如果无法听到警告声，需调整音量控制器。

B. 调整音量控制器可能导致警告声过于响亮。

C. 调整音量控制器可能使警告声变得更加嘈杂。

A. 检查厕所快速增压装置。

B. 检查厕所快速减压装置。

C. 检查厕所定期减压装置。