当你用到清洁剂工作时，使用呼吸设备。

A. 控制升降舵/副翼和配平片位置和移动的系统部分。

B. 控制升降舵/升降翼和调整片位置和运动的系统部分。

C. 控制升降舵/升降副翼和配平片位置和移动的系统部分。

A. The removal/installation portion shall state clearly the sequence of steps required to remove and reinstall a component or unit. This portion shall also state precautions to be obeyed.

B. The removal/installation portion shall state clearly the sequence of steps required to remove and reinstall a component or unit. This portion shalln’t include precautions to be obeyed.

C. The removal/installation portion shall hardly state the sequence of steps required to move and reinstall a component or unit. This portion shall also include precautions to be watched.

A. 取一份燃油试剂，然后检查是否有水污染。

B. 取一份燃油样本并做水污染测试。

C. 获取燃油样本后执行测试，目测是否有水的污染。

A. The turbines are used to extract energy from the exhaust gases and are coupled to the crankshaft.

B. The turbines can drive energy to exhaust gas and connects crankshaft.

C. The turbines can extract energy from the exhaust gases and drive the crankshaft.

A. 找到中点，然后将测量出的数据除以2。

B. 为找到中点，将测量出的间隙除以2。

C. 找到中点，用2除以测量出的间隙。

A. Make sure that there is airflow in the pipe to hinder .

B. Make sure that there is something in the pipe to block the airflow.

C. Make sure that there is nothing in the pipe to hinder airflow.

A. An inoperative pump will be identified by a decontaminated filter.

B. Contaminated filter elements indicate a defective pump.

C. If filter elements are clean , the filter elements are inoperative.

A. This Specification was issued by the General Aviation Manufacturers Association

B. This Specification was revised by the General Aviation Manufacturers Association

C. This Specification was compiled by the General Aviation Manufacturers Association

A. It is forbidden to go into the engine test area with approval.

B. Entering the engine test area must not be approved.

C. Approval is a must when entering the engine test area.

A. 描述飞机燃油系统时，应阐述燃油进风系统及其堵塞的后果。

B. 描述飞机燃油系统时，应描述燃油通气系统及其堵塞时的后果。

C. 描述飞机燃油系统时，应阐述燃油进气系统以及允许其堵塞的重要性。