A、 To make sure that ATC transceivers are in standby mode, you must simulate altitude, otherwise false TCAS signals may occur intermittently.
B、 Make sure the ATC transmitters are in standby mode, or false TCAS targets may occur accidentally due to altitude simulation.
C、 Make sure that the ATC transponders are in standby mode when you simulate altitude. You can accidentally cause false TCAS targets.
答案：C
A、 To make sure that ATC transceivers are in standby mode, you must simulate altitude, otherwise false TCAS signals may occur intermittently.
B、 Make sure the ATC transmitters are in standby mode, or false TCAS targets may occur accidentally due to altitude simulation.
C、 Make sure that the ATC transponders are in standby mode when you simulate altitude. You can accidentally cause false TCAS targets.
答案：C
A. 当压气机机匣被冷却后，压气机叶片间距变小。
B. 当涡轮机匣被冷却后，涡轮叶尖距变小。
C. 当涡轮机匣被冷却后，涡轮叶片间距变小。
A. 每一个系统有一个接收器，这个接收器位于电子舱。电子舱内可以对FMS自动调谐，或是对相应的NAV控制面板手动调谐。
B. 每一个系统有一个接收器，这个接收器位于电子舱。接收器可以通过FMS自动调谐，或是通过相应的NAV控制面板手动调谐。
C. 每一个系统有一个电子舱接收器，接收器可以被FMS远程调谐，或是通过相应的NAV控制面板手动调谐。
A. 禁止使用替代器材。
B. 使用消耗器材是允许的。
C. 允许使用替代材料。
A. 液压油会造成起火。
B. 液压油会引起腐蚀。
C. 液压油会导致伤害。
A. Turn the adjuster clockwise to increase 60 Deg.
B. Turn the adjuster counterclockwise in increments of 60 Deg.
C. Decrease 60 Deg. to turn the adjuster counterclockwise.
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. To help the tracing circuit, we need to build trunk wire recognition code.
B. Separate wire identification codes are built to assist in tracing circuits.
C. Unitive wire identification codes provide assistant in tracing circuitry.
A. Make sure that the movement limits of the flight control surfaces are free.
B. Make sure that the travel ranges of the flight control surfaces are clear.
C. Make sure that the travel limits of the flight control rudders are clean.
A. Correct punctuation is important because it shows that the different parts of the text are reconnected and prevents miscomprehension.
B. Correct punctuation is important because it shows how the different parts of the text are independent and prevents accumulation.
C. Correct punctuation is important because it shows how the different parts of the text are related and prevents ambiguity.
A. 停在地面时，在液压系统没有增压的情况下，方向舵的正常位置是低垂位到伺服控制止挡。
B. 在地面模式，在液压系统没有增压的情况下，方向舵的正常位置是向下偏转到伺服控制止动位。
C. 在地面时，在液压系统增压的情况下，方向舵的正常位置是向下偏转到伺服控制止动位。
