A、 Before install the software, the plane has to be on the ground and the engines shut down.
B、 The airplane must be on the ground with the engines off before you can install software.
C、 The aircraft should be on the ground and engines power off before you upload the software.
答案：B
A、 Before install the software, the plane has to be on the ground and the engines shut down.
B、 The airplane must be on the ground with the engines off before you can install software.
C、 The aircraft should be on the ground and engines power off before you upload the software.
答案：B
A. Operators should negotiate with their local regulatory agency to adjust intervals to a best fit for their individual operational environments.
B. Airlines should consult local authority, the interval shall be adjusted although it best suits their unique operational environment.
C. In order to get the best intervals for their operational environments, operators should consult with local administration.
A. 拆卸/安装部分应清晰地描述拆卸和重新安装部件或装置所要求的步骤方法，以及应观察的预防措施。
B. 拆卸/安装部分应明确地说明拆卸和重新安装部件或装置所需的步骤要求，不需包含观察到的预防措施。
C. 拆卸/安装部分应清楚地说明拆卸和重新安装部件或装置所需的步骤顺序，以及应遵守的预防措施。
A. "EMERGENCY EXIT" placard at exit hatch over Left wing is illegal.
B. "EMERGENCY EXIT" placard at exit hatch over Left wing is not legible.
C. "EMERGENCY EXIT" placard at exit hatch over Left wing is missing.
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. 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. The charged resister acts as a primary battery.
B. The discharged resister acts as a secondary battery.
C. The charged capacitor behaves as a secondary battery.
A. 座椅小桌板上覆盖了一层塑料，以盖住经过处理的小桌板部分。
B. 塑料罩被安装在座椅导轨上，以覆盖暴露的导轨部分。
C. 塑料罩被安装在座椅导轨上，以覆盖经过处理的导轨部分。
A. Make sure that the material and dimensions of the new floor panel are the same with the removed one.
B. Make sure that contour and design of the new floor panel have no difference with the removed one.
C. Make sure that the new floor panel has the same contour and dimensions as the removed floor panel.
A. The total weight must be approved and the CG shall be within the limits.
B. The total weight and CG must be within the specified range.
C. Totals must be within approved weight and CG limits.
A. 飞行舱是位于地板上方、前部乘客隔板和前部压力圆顶之间的舱室。
B. 驾驶舱指位于地板上方并在前客舱隔板和前增压穹状壁板之间的舱室。
C. 飞行舱是位于地面之上，位于前乘客隔板和前压力罩之间的舱室。
