Look for damage.

A. The total quantity of fuel in the center tank is 5000 lb.

B. The Total Fuel Quantity of the main tank is 5000 pounds.

C. The total fuel consumption from the center tank is 5000 pounds.

A. 指导谁以及如何与制造商工厂的技术人员联系，以帮助修理或更换未包含在标准修理范围内的损坏物品。

B. 指导谁以及如何与制造商工厂的技术人员联系，以帮助修理或更换损坏且是不标准损伤的物品。

C. 指导谁以及如何与维修工厂的技术人员联系，以帮助修理或更换未包含在标准修理范围内的损坏物品。

A. This tool is mandatory.

B. This tool is optional.

C. This tool is necessary.

A. Those units and components are used to keep account of data that is unrelated to a particular system.

B. The purpose of those units and components is to obtain values that are independent of a particular system.

C. The function of these units and components is to save the files that have nothing to do with a peculiar system.

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. Your skin and lungs can be protected.

B. Your skin and lungs can be harmed.

C. Your skin and lungs can be harmed suddenly.

A. 在记录卡上做登记。

B. 在记录本上做账目。

C. 进入到记录本的登记中。

A. The trim control knob is installed on the control pedestal.

B. The trim control button is mounted under the control pedestal.

C. You can find the trim control button on the control panel.

A. 每个主燃油箱的通气油箱外侧控制溢出的燃油和排气系统中的燃油。

B. 每个主燃油箱外侧的通气油箱收集溢出的燃油和来自排气系统中的燃油。

C. 每个主燃油箱的通气油箱从外侧防止排气系统中的燃油溢出。

A. The antenna should be put in the right position on the airplane surface.

B. There is an antenna positioning in the suitable place on the airplane skin.

C. Correct the antenna position on the airplane surface.