A、 The shim is t,which is thick by calculating x and y.
B、 Calculate the shim,the result of the thickness is x-y .
C、 The thickness of the shim is thus calculated: t=x-y.
答案：C
A、 The shim is t,which is thick by calculating x and y.
B、 Calculate the shim,the result of the thickness is x-y .
C、 The thickness of the shim is thus calculated: t=x-y.
答案：C
A. LCD背光强度从飞机调光汇流条中获得并测量驾驶舱内的周围光线。周围光线由前挡板上的光电二极管检测到。
B. LCD背光强度是从飞机调光汇流条和对驾驶舱内环境光的测量获得。环境光由位于前挡板上的光电二极管感应。
C. LCD背光强度从飞机调光总线中获得，测量驾驶舱内的适当光线。合适的光线由前挡板上的光电二极管检测到。
A. 关于“限制”和“紧急程序”的章节放在“正常程序”、“性能”之前，“载重和平衡”和其他章节更容易获得飞行中可能需要的信息。
B. 关于“限制”和“紧急程序”的章节放在“正常程序”、“性能”、“载重和平衡”和其他章节之前，以便更容易地获取飞行中可能需要的信息。
C. 关于“限制”和“紧急程序”的章节放在前面，“正常程序”、“性能”、“载重和平衡”和其他章节用于更容易地获取飞行中可能需要的信息。
A. 补充空气是系统的一部分，它改变和控制流入排气系统的补充空气流量。
B. 辅助空气是系统变化的一部分，它可以控制补充空气的排气量。
C. 补充空气是系统中变化和控制的部分系统，补充空气流向排气系统。
A. 25章”应急设备“标题写的是应急程序中要求携带的设备。如果疏散设备、救生筏和救生艇、急救箱、着陆照明灯和信号灯、疏散信号系统等物品是制造商指定的标准设备，则它们属于这类设备。但灭火器、氧气设备或氧气面罩不属于应急设备。
B. 25章”应急设备“标题写的是应急程序中要求携带的设备。如果作为制造商指定的标准设备而提供,则包括疏散设备、救生筏和救生艇、急救箱、着陆灯和信号灯、疏散信号系统等物品。不包括灭火器、氧气设备或口罩。
C. 25章”应急设备“标题写的是应急程序中要求携带的设备。如果疏散设备、救生筏和救生衣、急救箱、着陆照明弹和信号弹、疏散信号系统等物品是制造商指定的标准设备，则上述设备也属于应急设备。但灭火器、氧气设备或氧气面罩不属于应急设备。
A. Carry on with the test if the pressure supply is not available.
B. Ignore the test if the pressure supply is strengthened.
C. If the pressure supply stops, cancel the test.
A. Find out which door has a fault and is closed.
B. Make sure that which door has a failure.
C. Find out which door has not closed.
A. 不需要使用支架或梯子就能实现在地面做检查。
B. 无需使用支架或梯子就能完成地面检查。
C. 检查是在地面上完成的，不需要使用架子或梯子。
A. Keep the caps off the hoses.
B. Make sure the caps are off from the hoses.
C. Take the caps off the flexible pipe.
A. An inoperative pump will be identified by a decontaminated filter.
B. Contaminated filter elements indicate a defective pump.
C. If filter elements are clean , the filter elements are inoperative.
A. Aluminum wire should not be attached to engine mounted accessories or used in areas having corrosive fumes, severe vibration, mechanical stresses, or where there is a need for frequent disconnection.
B. Aluminum line should not be connected to attachments which are mounted on the engine and also not be applied in domains where corrosive gases, serious oscillation, mechanical forces exist or where it is necessary to disconnect frequently.
C. Aluminum cable should not be linked to accessories installed on the engine. It should also not be used in the event of corrosive fumes, serious vibration, mechanic loads or the place where frequent disconnections are required.
