A、 This system is used to assist or avoid the formation of ice on masts and fairings.
B、 This system is used to eliminate or prevent the formation of ice on antennas and radomes.
C、 This system is used to get rid of or escape the formation of ice on probes and domes.
答案：B
A、 This system is used to assist or avoid the formation of ice on masts and fairings.
B、 This system is used to eliminate or prevent the formation of ice on antennas and radomes.
C、 This system is used to get rid of or escape the formation of ice on probes and domes.
答案：B
A. 测量内侧和外侧襟翼的位移。
B. 计算内测和外侧缝翼的移动。
C. 测量移动的内侧和外侧襟翼。
A. 打开客舱的一扇门，确保客舱不是全封闭的。
B. 打开客舱入口的一扇门，确保客舱没有增压。
C. 打开通往客舱的一扇门以保证通行没有压力。
A. Smooth the cargo-compartment door levers.
B. Polish the cargo-compartment door wheels.
C. Lubricate the cargo-compartment door handles.
A. The autopilot has reached its roll authority limit due to an airplane roll or yaw asymmetry.
B. The autopilot has been out of its roll authority limit due to an airplane roll or yaw symmetry.
C. The autopilot has reached its yaw authority limit due to an airplane roll or yaw imbalance.
A. 这个能使推力管理更好，并且能够减少燃油消耗。
B. 这个能使推力管理更好，并且能够减少燃油吸收。
C. 这个能使更好的推力被应用，并且能够减少燃油消耗。
A. 当飞机处于常态速度和巡航仰角时, 通气油箱内的燃油将排放到主燃油箱内。
B. 当飞机处于恒定速度和巡航俯仰角时, 通气油箱内的燃油将排放到主燃油箱内。
C. 当飞机处于超常速度和巡航俯仰时, 通气油箱内的燃油将排空到主燃油箱内。
A. This document compliments informaiton to the applicable airplane maintenance manual(s).
B. This document provides necessary informaiton to the applicable airplane maintenance manual(s).
C. This document provides supplemental informaiton to the applicable airplane maintenance manual(s).
A. The coating thickness must be more than 0.05mm and less than 0.06mm.
B. The thickness of the second coating layer must be 0.05mm and 0.06mm.
C. The thickness of primer layer must be between 0.05 mm and 0.06 mm.
A. Be careful not to get acid on your skin.
B. Prohibit not to get acid on your skin.
C. Be careful not to get alcohol on your skin.
A. 连接电源时，不要打开房间。
B. 连接电源时，不要打开房门。
C. 连接电源时，不要打开壳体。
