A、 If the aircraft is parked on the ground, make sure that wheel chocks are placed.
B、 If the aircraft is parked on the ground, make sure that wheel chocks are in position.
C、 If the aircraft is parked on a slope, make sure that wheel chocks are in position.
答案：C
A、 If the aircraft is parked on the ground, make sure that wheel chocks are placed.
B、 If the aircraft is parked on the ground, make sure that wheel chocks are in position.
C、 If the aircraft is parked on a slope, make sure that wheel chocks are in position.
答案：C
A. 一个关于序列号/组件号(或其他识别信息)的列表在右边页面相应的栏目中。
B. 页面右侧相应的栏目中列出了对应的序列号/组件号(或其他识别信息)。
C. 一组对应序列号/组件号(或其他识别信息)的栏目应显示在正确的页面上。
A. 风扇为带有整体式感应电动机的单级风扇，每个风扇各有一个单向活门并作为一个组件安装。
B. 风扇作为单级风扇和整体电动机各有一个单向活门并作为一个组件安装。
C. 风扇是单级风扇，整体传动电动机，电机各自有一个单向活门并作为一个组件安装。
A. Pressurization of the pneumatic crossover manifold and use of an external air source connected to the air charging valve manifold to pressurize the reservoirs for ground maintenance is the second method.
B. You can use the second method to pressurize crossover manifold and use an external air source connected to the air charging valve manifold to pressurize the reservoirs for ground maintenance.
C. The second method is that it is not necessary to pressurize the pneumatic crossover manifold but to use an external air source connected to the air charging valve manifold to pressurize the reservoirs for ground maintenance.
A. 确保蒙皮未受损伤。
B. 确保皮肤未被侵蚀。
C. 确保蒙皮未划伤。
A. 对涡轮发动机来说，排气系统包括发动机本体以外的部件。
B. 对涡轮发动机来说，排气系统包括发动机主系统内的装置。
C. 对涡轮发动机来说，排气系统不包括发动机主系统以外的装置。
A. 要先安装螺钉（10），才能安装盖组件（9）。
B. 要拆下盖组件（9），首先要拆下这四个螺钉（10）。
C. 要拆下螺母（9），首先要拆下这四个螺栓（10）。
A. Review the failures report from the logbook and related fault messages with center DU or CDU, debrief the flight crew for faults and report them for handling.
B. Either the logbook or center DU/CDU shall be checked for faults records and related fault information, then review the faults reported by the flight crew and take actions.
C. Consult the failures report from the logbook to find the related information on center DU or CDU, listen to the crew for faults report. Report faults and handle them.
A. 可参考的技术文件必须包含如勤务通告、勤务信件等。
B. 勤务通告、勤务信函包含在技术参考文件清单中。
C. 技术参考文件包括必要的文件清单，如服务通告、服务信函等。
A. 仔细测量滑油的容积。
B. 仔细测量滑油的流速。
C. 仔细测量滑油的密度。
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.
