A、 This section provides procedures to calculate weight and moments for different phases of a scheduled flight and to make sure that the center of thrust is beyond approved limits.
B、 The paragraph gives the weight and moments for calculating all kinds of phases of a planned flight and procedures for ensuring that center of gravity is within authorized limits.
C、 This paragraph describes the procedures to calculate weight and moment for various phases of a planned flight and to ensure that the center of gravity is within approved limits.
答案：C
A、 This section provides procedures to calculate weight and moments for different phases of a scheduled flight and to make sure that the center of thrust is beyond approved limits.
B、 The paragraph gives the weight and moments for calculating all kinds of phases of a planned flight and procedures for ensuring that center of gravity is within authorized limits.
C、 This paragraph describes the procedures to calculate weight and moment for various phases of a planned flight and to ensure that the center of gravity is within approved limits.
答案：C
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. An internal failure in this type of switch may allow the switch to remain closed even though the toggle or button returns to the OFF position.
B. An inner fault of this kind of switch may keep the switch clogged despite the knob or pushbutton returning to the OFF position.
C. An interior loss which occurs in this type of switch, may stay closed in spite of the OFF position of the knob or button.
A. 微处理器卡可以更换。
B. 微处理器卡可以互换。
C. 微处理器卡可以改变。
A. This program is not available at present.
B. This procedure is not applicable at this time.
C. This program is not reasonable now.
A. 如果你决定不更换此组件，记录其温度最多15个循环。
B. 监控它的温度最少15个循环后，决定是否更换此组件。
C. 如果你的决定是不更换该组件，则监控其温度至少15个循环。
A. 这些测试可能需要额外的地面支持设备，应比操作测试更具体和详细。
B. 这些试验可能需要增加地面支持设备，应比操作测试更专业和详实。
C. 这些测试可能需要提供专门的地面支撑设备，应比功能试验更特殊和详细。
A. Fuel the aircraft.
B. Refuel the aircraft.
C. Defuel the aircraft..
A. 将导轨嵌放在轴上。
B. 将套筒放在支杆上。
C. 把吊环钩在钩环上。
A. Count the velocity in the circuit.
B. Compute the current in the route.
C. Calculate the voltage in the circuit.
A. 来回操作升降舵6次。
B. 操作升降舵6个行程。
C. 全行程操作升降舵6次。
