A、 前轮转弯方向舵脚蹬转弯机构能混合来自于方向舵脚蹬和转弯手轮的转弯输入，并提供定中力。
B、 前轮转弯方向舵脚蹬转弯机构能混合来自于方向舵脚蹬的转弯输入进行转弯并提供定中力。
C、 前轮转弯方向舵脚蹬转弯机制能混合来自于方向舵脚蹬和转弯手轮的转弯力度，并提供折中力。
答案：A
A、 前轮转弯方向舵脚蹬转弯机构能混合来自于方向舵脚蹬和转弯手轮的转弯输入，并提供定中力。
B、 前轮转弯方向舵脚蹬转弯机构能混合来自于方向舵脚蹬的转弯输入进行转弯并提供定中力。
C、 前轮转弯方向舵脚蹬转弯机制能混合来自于方向舵脚蹬和转弯手轮的转弯力度，并提供折中力。
答案：A
A. 当前的服务通告清单是人工编制的。
B. 目前的服务通告清单在手册级别编制。
C. 正式的勤务通告单由人工搜集。
A. 如果仅仅损坏了轮胎中间表面，轮胎还是可用的。
B. 如果损伤是胎间见线，轮胎需要更换。
C. 如果损伤只局限于胎面中部，轮胎是可用的。
A. Materials used to repair layered structures must keep the rigidity, gravity, aerodynamic or electronic properties of the original assembly.
B. The materials used in the repair of laminate structures must preserve the strength, weight, aerodynamic characteristics, or electrical properties of the original assembly.
C. Materials that are used for fixing the layer structures must maintain the intensity, weight, aerodynamic or electrical properties of the original assembly.
A. The fairway and the runway centerline should align .
B. The localizer course is aligned with the centerline of the runway.
C. The localizer aligns with the center of the runway.
A. Move the IDG forward and outboard until it is away from the accessory gearbox, QAD ring and power plant.
B. Move the IDG towards the forward position until the input shaft is away from the accessary gearbox and QAD ring, then move the IDG towards outboard and free of the power plant.
C. After moving the IDG towards the forward position, then it is free of the accessary gearbox, QAD and the power plant.
A. 在飞机座舱增压系统部分，应描述如何识别潜在问题和处理紧急情况。
B. 在飞机座舱增压系统部分，应说明识别可能问题和处理障碍的方法。
C. 在飞机座舱增压系统部分，说明识别问题和处理紧急情况的方法。
A. If this step can not stop the leakage, remove the actuator.
B. If this step is not enough to stop the leakage, change the motor.
C. If this step is not sufficient to stop the leakage, replace the actuator.
A. Each revision and the effective page should be logged in the logbook.
B. Only the effective revisions pages need to be recorded in the manual.
C. Each manual shall have a record of revisions or effective pages.
A. Briefly describe and explain principle of operation of any new kinds of flight instruments.
B. The working principles of various new flight gauges are easily introduced and expressed.
C. The new types of flight facilities should be described and explained shortly.
A. 勤务包括为飞机提供适当的燃油和滑油的信息。
B. 勤务工作需要飞机的信息，以便提供适当的燃油和滑油。
C. 勤务需要相应的信息才可以给飞机提供足量的燃油和滑油。
