In the description of the airplane＇s Power Steering, if nose wheel power steering is installed: (a) the system shall be described. (b) how to use it shall be explained. (c) restrictions shall be discussed.

A. 为了认识这些要求，纸张厚度限制可能会被考虑。

B. 为了达到这些要求，可能限制纸质隔板使用。

C. 为达到这些要求，可能考虑限制纸张的厚度。

A. In any process, the velocity is not large.

B. Do not increase this speed in any operation.

C. In any operation, the speed can not be greater than this value.

A. Point out that the FAA should be contacted prior to any alterations on airplane to ensure that the airworthiness of the airplane is not violated.

B. Point out that the FAA should be informed after any modifications on airplane to ensure that the airworthiness of the airplane is not effected .

C. Point out that any modifications on airplane may be informed to FAA to confirm the airworthiness of the airplane.

A. Do the tightening procedure.

B. Do the loosening procedure.

C. Do the strengthening procedure.

A. The description could be pronounced in the active voice.

B. Descriptive content can be written in active voice.

C. You should read it in voice as you write the descriptive text.

A. 描述飞机的门、窗和出口时，应精确描述有关应急出口使用的。

B. 描述飞机舱门、窗和出口时，应给出使用救援通道的准确说明。

C. 描述飞机舱门、窗和出口时，应准确指导使用应急门。

A. “环境系统”一节应包括安全操作氧气系统时的必要信息，如系统能力和耐久性。

B. “环境系统”一节应包括安全操作氧气系统时的必要信息，如容量和持续时间。

C. “环境系统”一节应包括安全操作氧气系统时的必要信息，如使用期间的系统能力。

A. When taking off from the runway, deviation pointers in the ADF indicators show the pilot in which direction he/she must control the airplane.

B. During the approach to the runway, deviation pointers in the course indicators show the pilot in which direction the aircraft must go.

C. In the approaching process, deviation pointers in the flight path deviation indicator show the pilot how to control the aircraft.

A. 如果可行，应避免交叉。

B. 如果要进行施工，则应避免交叉。

C. 如果可行，各管路应避免干涉。

A. 把手放在风扇上感受震动。如果风扇是震动的，说明风扇是通电的。

B. 把手放在风扇上感受一下是否有震动。如果你感觉到震动，说明风扇是工作的。

C. 风扇在震动，把手放在风扇上是不安全的。当你感到震动时，风扇是工作的。