A、 This document and the applicable airplane maintenance manual(s) complement each other.
B、 This document may supplement the aircraft maintenance manual(s) as appropriate.
C、 This document is explanation to the airplane maintenance manual(s).
答案：B
A、 This document and the applicable airplane maintenance manual(s) complement each other.
B、 This document may supplement the aircraft maintenance manual(s) as appropriate.
C、 This document is explanation to the airplane maintenance manual(s).
答案：B
A. Data and parameters are gathered by three computers from the systems and put together on the data link to the display unit.
B. Data and parameters are generated by three computers in the system and are displayed on the display unit through the data link.
C. After analyzing the data and parameters from the system, three computers send the final result to the data link for display.
A. As necessary, use the applicable SAFETY BARRIERS, classified by the operator＇s instructions and your local regulations. These communications are subjected to atmospheric interference and difficult to understand.
B. Use the applicable SAFETY BARRIERS, specified by the operator＇s instructions and your local regulations if necessary. These communications are affected by the atmosphere and difficult to understand.
C. Use the applicable SAFETY BARRIERS, classified by the operator＇s instructions and your local regulations if necessary. These communications are subjected to atmospheric interference and difficult to understand.
A. The computer needs to be backup at each interval.
B. The backup of the computer is necessary.
C. Back up your computer regularly.
A. Before restarting the engine, make sure to clear the ground from any fuel spills.
B. Remove all spilled fuel from the ground before making the first attempt to start the engine.
C. Ensure that no fuel on the ground is eliminated before proceeding with engine startup.
A. Make sure that the hydraulic oil can be cleaned.
B. Make sure that there is no dust in the hydraulic fluid.
C. Make sure that the hydraulic fluid is uncontaminated.
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 data sheet defines that the product, published by the type certificate, satisfies the airworthiness necessities complying with the conditions and limitations.
B. The product, for which the type certificate was approved, should reach the airworthiness requirements within conditions and limitations stipulating by this data sheet.
C. This data sheet regulates conditions and limitations of the airworthiness demands that the product, which has the qualified type certificate, should fulfill.
A. If the lamp is too weak, charge the battery.
B. If the light is too strong, do a replacement of the battery.
C. If the light is not bright, the battery should be replaced.
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. Write instructions in the infinite form.
B. Write instructions in the command form.
C. Write instructions in the appropriate form.
解析：这道题考察的是写指令时所使用的语态。命令形式是 imperative form，也就是我们通常说的命令形式或者指令形式。在英语中，命令形式通常用来表达命令、请求、建议等。所以正确答案是B。
举个例子来帮助你更好地理解：假如你要告诉别人如何制作一杯咖啡，你可能会说：“Boil water, add coffee grounds, pour hot water over the grounds, stir, and enjoy!” 这里的每个动词都是用的命令形式，因为你是在向别人发出指令，告诉他们应该怎么做。
