A、 Passenger reading lights at cabin rows 12B, 14C, and 17A does not come on.
B、 Passenger reading lights at cabin rows 12B, 14C, and 17A do not illuminate.
C、 Passenger reading lights at cabin rows 12B, 14C, and 17A is not on.
答案：B
A、 Passenger reading lights at cabin rows 12B, 14C, and 17A does not come on.
B、 Passenger reading lights at cabin rows 12B, 14C, and 17A do not illuminate.
C、 Passenger reading lights at cabin rows 12B, 14C, and 17A is not on.
答案：B
A. All aircraft engines must meet certain general efficiency, economy, and reliability requirements, which require that the ignition system can provide ignition pulses at the proper time to the spark plug in various weather and other adverse conditions.
B. All aircraft engines must meet certain overall efficiency, economy and reliability requirements, which require the ignition system should provide ignition pulses at appropriate times under meteorological and other unfavorable conditions.
C. All aircraft engines must meet certain general requirements of reliability, economic and efficiency, which dictates the use of ignition systems that deliver the firing impulse to the spark plugs in all kinds of weather and under other adverse conditions.
A. Failure of the air turbine starter can trigger the engine overheat and fire indications.
B. The air turbine starter fails to trigger the engine overheat and fire indications.
C. Failure of the air turbine starter can cause the engine overheat and fire indications.
A. 当替换某个单词时，一定要确保所选择的替代词不会改变句子的意思。
B. 如果需要替换某个单词，从备用词汇中选择合适的词以确保不会改变句子含义。
C. 当替换某个单词时，始终要确保不要变动句子的意思和结构。
A. The factory＇s policy of providing consulting remains unchanged.
B. The factory has been maintaining technical and component support within the policy scope.
C. The factory＇s policy on providing technical and component support has changed from the past.
A. AMM 的第 12章第10节是关于补给的。它提供了添加燃油、滑油、液压油、水、其他液体和轮胎充气等所需的说明。
B. AMM 的第 12章第10节是关于补液的。它提供了补给燃油、滑油、液压油、水、其他液体和轮胎压力等所需的说明。
C. AMM 的第 12章第10节是关于补液的。它提供了补给液压油、滑油、燃油、水、其他液体和轮胎压力等所需的说明。
A. 当反推收回时，确保飞机远离人员。
B. 当反推放出时，确保人员远离飞机。
C. 当反推运动时，确保人员远离飞机。
A. 如果警告灯是亮的，将无法在门关闭时正确调节微电门。
B. 在门关闭时如果警告灯亮起，说明微电门调节不正确。
C. 在门关闭时如果标志灯在位，微电门将无法正常调节。
A. Use the upper latch mechanism to lock the lower display unit in the middle.
B. The latch mechanism at the top is used to secure the center display unit on the bottom.
C. The center lower display unit is installed with the latch mechanism at the top.
A. 如果你将上阻力杆的头部安装在下部，它会在作动时碰撞到下阻力杆。
B. 如果安装上阻力杆时将其倒置，在收起时它会碰撞到下阻力杆。
C. 将上阻力杆倒置，使其在放出时与下阻力杆相连。
A. 描述飞机起落架时，应说明应急展开系统。
B. 描述飞机起落架时，应描述起落架应急放出系统。
C. 描述飞机起落架时，应说明应急逃生系统。
