如果冲压空气涡轮已收起。

A. 使用听筒侧面的按钮来调节音量。

B. 使用手机旁边的按键来适应体积。

C. 为了加大容量，使用手机侧面的旋钮。

A. IAS shall be monitored continuously until the end of the test.

B. Monitor the speed indication as long as the test continues.

C. Monitor the speed indication continuously until the end of the test.

A. This system is used to assist or avoid the formation of ice on masts and fairings.

B. This system is used to eliminate or prevent the formation of ice on antennas and radomes.

C. This system is used to get rid of or escape the formation of ice on probes and domes.

A. 加入溶剂使油漆变得更稀薄。

B. 加入溶剂使油漆变得更稳定。

C. 在油漆里加入更多溶液。

A. The vendor can build programs to supply response to worthless conditions found in compliance with regulations.

B. The manufacturer may establish procedures to provide feedback on unairworthy conditions that were discovered when complying.

C. The manufacturer may create a process to give feedback on abnormal conditions when it＇s conformed.

A. The air pressure is almost correct.

B. The air pressure is too low.

C. The air pressure is too high.

A. Collect all maintenance records for the part PNxxxx.

B. Compile all maintenance logs for the component PNxxxx.

C. Collect all flight logs for the component PNxxxx.

A. Indicating is that portion of the system which is used to indicate temperature, pressure, control positions, etc. of the air systems. Includes items such as transmitters, indicators, etc.

B. Indicators are systems used to display air temperature, pressure, control position, etc. It includes switches, thermometers and other components.

C. Indication system is used to indicate atmospheric temperature, pressure, control position, etc. It includes crossfeeding system, thermometer and other components.

A. Tire wear increases with high speed.

B. The higher the speed is, the more fragile the tire becomes.

C. The tire blows out as the speed increases.

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。