A、 During antenna installation, disregard the direction the alignment arrow is pointing.
B、 Align the antenna in the opposite direction in consideration of the alignment arrow in installation.
C、 When installing the antenna, make sure the alignment arrow is directed towards the front.
答案：C
A、 During antenna installation, disregard the direction the alignment arrow is pointing.
B、 Align the antenna in the opposite direction in consideration of the alignment arrow in installation.
C、 When installing the antenna, make sure the alignment arrow is directed towards the front.
答案：C
A. The lower seal appears as the lower bearing is pulled down.
B. You can see the lower seal before pulling the lower bearing down.
C. Only after you pull the lower seal down can you see the lower bearing.
A. Pull out the circuit breaker.
B. Push in the circuit breaker.
C. Remove the circuit breaker.
解析：这道题是关于如何打开一个断路器的问题。在这种情况下，正确的答案是A:拉出断路器。当我们需要打开一个电路时，通常会拉出断路器，这样电路就会中断，电流就不会流通了。所以，选择A是正确的。
举个例子来帮助你更好地理解：想象一下，你的房间里有一个灯泡，但是你想要关掉它。这时，你可以想象灯泡所在的电路就像是这道题中的断路器。当你拉出断路器时，就好像是把灯泡的电路断开了，灯泡就会熄灭。所以，拉出断路器就是打开电路的正确方式。
A. Consult Table 7001 for information unrelated to the fabrication of the pivot assembly.
B. To obtain information about the manufacturing of the pivot assembly, refer to Table 7001.
C. Table 7001 contains details about all component except for the pivot assembly.
A. Guarantee a consistent performance of the probe.
B. Maintain an uninterrupted movement of the probe.
C. To ensure continuous movement, the probe must be kept in motion.
A. The operational test of HFS-900D transceivers is an internal functions check of the HF transceiver and it is a BITE test.
B. The BITE test for the HFS-900D transceivers is the operation test that does the inner check of the HF transceiver.
C. The check of the internal functions of the HF transceiver is a BITE test related to HFS-900D transceivers.
A. For purposes of this specification, "aircraft" means the relevant optional parts of the airframe and parts specified in the type certificate or supplied by the aircraft manufacturer
B. For the intention of this specification, " airplane" is know as the airframe selective components set forth in the Type Certificate or provided by the airplane producer.
C. For purposes of this specification, "aircraft" means the airframe and parts specified in the Type Certificate or the related optional parts supplied by the aircraft manufacturer.
A. Those units means that they can prevent it from eroding.
B. Those units provide a method of deicing.
C. Those units provide a way to prevent the formation of ice.
解析：这道题考察的是关于防止结冰的方法。选项A中提到防止侵蚀，与题目中提到的防止结冰不符；选项B提到除冰方法，与题目中提到的防止结冰类似，但不完全符合；选项C提到提供一种防止结冰的方式，与题目中的意思一致，所以答案应该是C。
为了更好地理解这个知识点，我们可以通过生动的例子来帮助理解。想象一下，当天气变得非常寒冷时，我们的车窗可能会结冰，这会给我们的驾驶带来很大的困难。为了防止车窗结冰，我们可以使用一种特殊的喷雾剂，这种喷雾剂可以在车窗上形成一层薄薄的保护膜，防止冰的形成。这种喷雾剂就像题目中提到的那些单位，提供了一种防止结冰的方式，让我们的车窗保持清晰，确保我们的安全驾驶。
A. This specification provides for the preparation and insurance of more complex manuals for less complex aircraft than aircraft operated by large scheduled airlines, while achieving industry-wide standardization of naming and formatting.
B. The specification is used to prepare and release simpler manuals for less complicated aircraft rather than the aircraft operated by large scheduled airlines while achieving industry-wide standardization of terminology and format.
C. This specification specifies the preparation and release of less complex manuals for aircraft that are less complex and operated by large scheduled airlines, and realizes the industry wide standardization of terms and formats.
A. In the case of damage to the brackets, continue the procedure.
B. In the absence of damage to the brackets, continue the procedure.
C. In the condition of damage to the brackets, continue the procedure.
A. Troubleshooting can only be performed after the cause of the malfunction has been found out.
B. You should perform troubleshooting according to the procedure and find out the technical failure.
C. According to the procedure, perform the troubleshooting to solve the cause of the malfunction.
