In the description of the airplane＇s Electrical System, circuit protection shall be explained.

A. Make sure that you can see the oil level through the sight gauge.

B. Make sure that the oil quantity is shown on the oil level indicator.

C. You can read the oil level on the oil level gauge.

A. The antenna should be put in the right position on the airplane surface.

B. There is an antenna positioning in the suitable place on the airplane skin.

C. Correct the antenna position on the airplane surface.

A. Utilizing an airplane as intended by the manufacturer and sound inspection and maintenance practices is basis that assures the airplane remains airworthy and safe to operate.

B. One of the basis for assuring the airplane remains airworthy and safe to operate is sound inspection and maintenance practices and forms.

C. Utilizing an airplane as intended by the manufacturer is the only basis for assuring the airplane remains airworthy and safe to operate.

A. 给轮胎放气。

B. 给轮胎充气。

C. 给机轮充气。

A. 给轮胎放气，释放所有氮气。

B. 将轮胎放平，释放轮胎内的氮气。

C. 让轮胎放气并充填氮气。

A. 本规范由通用航空制造商协会的成员公司代表制定，用于编制制造商维修数据，以手册的形式，作为飞机持续适航状态下的维修指南。

B. 本规范由通用航空制造商协会的成员代表撰写而成，旨在指导制造商编写用于飞机持续适航维护的《制造商维护资料 》手册。

C. 本规范由通用航空制造商协会的成员公司代表制定，用于以手册的形式，编制《制造商维修数据》，并作为飞机持续适航状态下的维修指南。

A. 工作区域一定会有好的空气流通。

B. 工作区域内必须有好的空气流通。

C. 一定会有好的空气流通工作区域。

A. Use the correct tools to open the containers for these materials.If you do not follow these prerequisites, injury to your skin and lungs can occur.

B. Get the corrective tools to open the containers for these materials.If you do not obey these precautions, injury to your skin and lungs can occur.

C. Get the proper tools to open the containers for these materials.If you do not observe these precautions, injury to your skin and lungs can occur.

A. This section must list the relevant structural inspection procedures required for each mandatory replacement time, structural inspection interval and model qualification validation.

B. This section must provide the corresponding structural inspection procedures required for each mandatory replacement time , structural inspection interval and type qualification.

C. This section must set forth each mandatory replacement time, structural inspection interval, and related structural inspection procedure required for type certification.

A. If the drain hole is blocked, clean it.

B. If the drain hole is leaked, clean it.

C. If the drain hole is locked, clean it.