3.＇＇Maintenance Practices”which are a combination of servicing,removal/installation,adjustment/test,inspection/check,cleaning/fainting,and approved repairs should follow the Troubleshooting Section.

A. 　To show what sections of the system may be at fault,listing possible causes of each trouble 15 the first thing we should do.

B. 　What sections of the system may be at fault depends on the first step in listing possible causes of each trouble.

C. 　To show what sections of the system may be at fault is the first step when you list possible causes of each trouble.

A. 　Each Chapter or Section begins with either a general description of the system its operation or Description and operation should be labeled.

B. 　Each Chapter or Section begins with neither a general description of the system nor its operation nor Description and operation should be labeled.

C. 　Each Chapter or section,which is to begin with both a general description of the system and its operation,should be named Description and Operation.

A. 　原理图的使用者是飞行员。

B. 　工作方案的使用者是飞行员。

C. 　原理图的使用者是机务人员。

A. 　只要可行,每个符号在实际上都应类似于示意图中描述的实际系统组件。

B. 　无论是否可行,每个标志在理论上都应与示意图中描述的实际系统组件一致。

C. 　只要实际可以使用,每个标记在物理上都应完全和示意图中描述的实际系统组件相同,

A. 　It is possible that the installation changed the rotation of the cable loom.

B. 　It is the installation that changed the routing of the cable loom.

C. 　It is possible that the sliding of the cable loom is changed by the installation.

A. 　将发动机油门杆前推至 60%RPM

B. 　将发动机油门杆稳定在 60%RPM

C. 　将发动机油门杆收回至 60%RPM

A. 　把这些部分中的每一个故障按概率的顺序列出。

B. 　把这些部分按概率的顺序列在每个故障下面。

C. 　把这些故障列在每个部分下面为了增加概率。

A. 　All pages of semi-size fixed-leaf manuals shall be set up for standard loose-leaf filing,

B. 　All pages of each size fixed-leaf manuals shall be set up for standard loose-leaf filing,

C. 　All pages of full-size loose-leaf manuals shall be set up for standard loose-leaf filing.

A. 　液压油污染的主要原因是活门失效。

B. 　活门失效的主要原因是液压油污染。

C. 　液压油活门失效的的主要原因是污染。

A. 　在盖板表面施加重力,以确保部件正确排接。

B. 　在面板表面放置重物,以确保部件正确连接。

C. 　在补片表面施加重量,以确保部件正确粘合。