A、 A surge tank drain single valve is on the outside fuel tank end rib in main tank 1 and main tank 2.
B、 A surge tank drain one way value is on the inboard fuel tank end rib in main tank 1 and main tank 2.
C、 A surge tank drain check valve is on the outboard fuel tank end rib in main tank 1 and main tank 2.
答案：C
A、 A surge tank drain single valve is on the outside fuel tank end rib in main tank 1 and main tank 2.
B、 A surge tank drain one way value is on the inboard fuel tank end rib in main tank 1 and main tank 2.
C、 A surge tank drain check valve is on the outboard fuel tank end rib in main tank 1 and main tank 2.
答案：C
A. The equipment list shall contain all required or optional equipment.
B. All required equipment and facilities should be included in this list.
C. Only optional equipment is described in this equipment list.
A. 发动机火警探测系统的传感器始终是一个双连续回路。
B. 发动机火灾探测系统的感应器是一个持续双环路设计。
C. 发动机防火系统内的传感器总是一个持续双循环。
A. The clocks get power from the 28v AC hot battery bus and via the CLOCK circuit breaker.
B. The clocks get power from the 28v dc hot battery bus through the CLOCK circuit breaker.
C. The clocks is through the CLOCK circuit breaker powered from the 28v dc hot battery bus.
A. A brush is cleaned by the filter element.
B. The filter element and a brush are clean.
C. Use a brush to clean the filter element.
A. 可用燃油是指飞机飞行中使用的燃油。
B. 可用燃油是指可供飞行计划使用的燃油。
C. 飞行计划使用的燃油包含可用燃油。
A. 此任务检查单用于确认机组与乘务员之间的无线电通讯正常工作。
B. 此任务检查单用于确认机组与乘务员之间的内话通讯正常工作。
C. 此任务检查用于确认飞行人员与乘务员之间的内话通讯正常工作。
A. 关键词汇常常发生在文字中用于连接不同的思想。
B. 关键词汇常常出现在文中用于连接不同的想法。
C. 关键词汇常常闪现在课文中用于连接不同的想法。
A. Assess the requirements of washers.
B. Evaluate the amount of clamps required.
C. Calculate the number of shims that are necessary.
A. 说明如何挖掘潜在的问题，以及出现不良功能时应该怎么办。
B. 解释如何识别即将出现的问题，以及发生故障时应采取的措施。
C. 说明如何确认多发问题，以及如果故障发生应该做什么。
A. Remove the 3 screws from the flap of the motor assembly.
B. Remove the 3 nuts from the flange of the motor assembly.
C. Remove the 3 screws from the flange of the motor assembly.
