A、 Another important function of lubricating oil is to protect the corroded metal surfaces.
B、 Another important task of the oil is to protect the metal surfaces from corrosion.
C、 Preventing the metal surface from further corrosion is the other essential function of the lube.
答案：B
A、 Another important function of lubricating oil is to protect the corroded metal surfaces.
B、 Another important task of the oil is to protect the metal surfaces from corrosion.
C、 Preventing the metal surface from further corrosion is the other essential function of the lube.
答案：B
A. Manufacturers would like to reserve and exercise the right to make reasonable judgments about the depth and scope of the contents of their publications.
B. Manufacturers are requested to reserve and exercise the right to judge contents of their publications of reasonable depth and scope.
C. Manufacturers are required to reserve the right of sound judgment on the contents of their publications by the bureau.
A. 保留勤务部件，更换那些损坏的。
B. 报废损坏的部件后，保留所有可用的。
C. 保留所有可用的部件，报废那些损坏的。
A. Adjust the tension in the wires to the correct value.
B. Adjust the tension in the cables to the correct value.
C. Adjust the torque in the cables to the correct value.
A. 膝盖连接处使钢筋板更加强劲。
B. 重叠接头使加固板强度更大。
C. 加强板可以增加搭接处的强度。
A. 确保区域测试没有人。
B. 确保测试区域没有人。
C. 确定任何人可以进入考试区域。
A. Those instructions necessary to park or store the aircraft in normal or abnormal conditions such as with engines removed, aircraft damaged, etc.neither short-term nor long-term.
B. Instructions required for parking or storing the aircraft under normal or abnormal conditions, such as engine removal, aircraft damage, etc., which are used for short-term or long-term under extreme weather conditions.
C. Those instructions necessary to park or store the aircraft in normal or abnormal conditions such as with engines removed, aircraft damaged, etc.either short-term or long-term.
A. Do a tire pressure check, and if necessary inflate the tires.
B. Check the pressure of a wheel and charge it if necessary.
C. Inspect the tire pressure and it＇s required to refuel.
A. The function of the portable water system is to store and send drinking water to the passengers.
B. The potable water system must keep and transfer the water to the toilet for washing only.
C. The purpose of the drinking water system is to store and deliver the water for drinking.
A. This program describes how to identify an immediate failure and how to handle a malfunction occurred.
B. This procedure explains how to recognize impending problems and what to do if malfunctions occur.
C. How to confirm the current problems and what should you do when malfunctions occur are described in this procedure.
A. 这些ALIs 是强制性的，未经负责飞机型号证书的FAA 办公室或适用的监管机构的批准，不能更改或删除。
B. 这些ALIs 是指令性的，未经FAA办公室批准不得更改或删除。FAA办公室负责飞机型号证书，或发布适用的管理规章。
C. 这些ALIs 是非常必要的，任何更改或删除必须获得FAA办公室批准，或者其他可以颁发飞机型号证书的监管机构的批准。
