A、 Prior to and aft use the tool / equipment, the user shall make a visual check or operational test to confirm the utility.
B、 Before or after using the tool / equipment, the user shall make a visual check or functional test to confirm the serviceability.
C、 Before or aft of using the tool / equipment, the user shall make a spot check or functional test to inform the usability.
答案：B
A、 Prior to and aft use the tool / equipment, the user shall make a visual check or operational test to confirm the utility.
B、 Before or after using the tool / equipment, the user shall make a visual check or functional test to confirm the serviceability.
C、 Before or aft of using the tool / equipment, the user shall make a spot check or functional test to inform the usability.
答案：B
A. The radius of the duct is too small.
B. The diameter of the tube is too small.
C. The circumference of the pipe is too small.
A. All essential or alternating equipment installed on a particular plane when provided shall be in the equipment list.
B. The equipment list shall include all necessary or alternative equipment installed on a particular aircraft when delayed.
C. The equipment list shall contain all required or optional equipment installed in the particular airplane when delivered.
A. This Specification is designed to provide guidance for the development of Handbooks for all types of general aviation airplanes. These airplanes are originally certificated at minimum takeoff weights of 12,500 pounds or more.
B. This specification is intended to provide guidance for the development of Handbooks for all types of general aviation aircraft, which are initially certificated at maximum takeoff weights of 12,500 pounds or less.
C. This specification is intended to provide guidance for the preparation of Handbooks. For all types of general aviation aircraft, their maximum take-off weight is more than 12,500 pounds.
A. Before drill the hole, make sure that the point of the drill head is sharp.
B. Prior to drill the hole, make sure that the point of the drill bit is sharp.
C. Before you make the hole, make sure that the point of the drill bit is sharp.
A. It is understood that compliance with the above can in some instances cause duplication of test procedures, which is acceptable.
B. It will lead to repeat the test process when you obey the regulations in some cases, it is barely to be accepted.
C. It is understood that follow the above regulations may cause repeating in the test procedures , although it is allowable.
A. 加载弹簧的张力。
B. 释放弹簧的张力。
C. 调整弹簧的伸缩。
A. Do the weighing procedure in this sequence.
B. In this order to perform the swapping procedure.
C. In this sequence to do the analysis procedure.
A. 一个生成器可以为所有系统提供电力。
B. 一个发电机可以为一台系统供电。
C. 一台发电机能够给所有系统供电。
A. Substitutes with different quality can be used.
B. You can not use substitutes with same quantity.
C. Equivalent substitutes are permitted to use.
A. 防滑系统控制来自液压制动系统或来自自动制动系统的自动制动压力，以防止机轮滑出。这提供了最大的制动力使飞机可以在任何跑道停止。
B. 防滑系统控制来自液压制动系统的测量制动压力和自动制动压力，以防止机轮失效。它可以在任何跑道条件下给出最大制动力使飞机停止。
C. 防滑系统控制来自液压制动系统的计量制动压力或来自自动制动系统的自动制动压力，以防止机轮打滑。 这给予了飞机最大的制动力，使它可以在任何跑道条件下都能停下来。
