A、 Make sure that there is something in the pipe.
B、 Make sure that there is nothing in the pipe.
C、 Make sure that blockage is in the pipe.
答案：B
A、 Make sure that there is something in the pipe.
B、 Make sure that there is nothing in the pipe.
C、 Make sure that blockage is in the pipe.
答案：B
A. 本规范涉及FAA的各种调节。
B. 本规范参考了各种FAA条例。
C. 本规范称作FAA的各种规章。
A. 安装此组件需要专用工具。
B. 对于安装此组件来说批准的工具是必须的。
C. 专业工具对安装此组件是无所谓的。
A. 定位器与跑道中心线对齐,下滑道与跑道出口成一定角度。
B. 航道与跑道中心线对齐,下滑道与跑道入口成恒定角度。
C. 航道与跑道中心线平行,下滑道与跑道出口成恒定角度。
A. Make sure the wire in this position is able to unlock the parts.
B. The wire must be positioned so that the parts can oscillate freely.
C. Ensure the wire is positioned to create a locking motion on parts.
A. 将上游的传感器拆掉，并再次检测温度。
B. 再次将探头向上游移动，并监控温度。
C. 将探头向上游移动并再次监控温度。
A. 识别引起故障的部分。
B. 隔离引起故障的部分。
C. 隔离这个部分会引起故障。
A. Discard the removed fasteners.
B. Throw away the removed components.
C. Leave out the removed gaskets.
A. Extend the nose landing gear.
B. Extend the main landing gear.
C. Retract the main landing gear.
A. 机翼和发动机载荷取决于最大起飞重量和额定起飞马力以及机翼面积。
B. 机翼和电源负载取决于最大起飞重量和起飞马力评定值以及机翼面积。
C. 机翼和动力载荷决定了最大起飞重量和起飞马力评定值以及受力表面积。
A. A motor can power all the systems.
B. One generator can power for all the systems.
C. One generator can supply power for all the systems.
