A、 When simulating altitude, make sure you have alternate ATC transponders in active mode.
B、 Make sure that the ATC transponders are in standby mode when you simulate altitude.
C、 It is optional to keep the ATC transponders in ready mode during altitude simulation.
答案：B
A、 When simulating altitude, make sure you have alternate ATC transponders in active mode.
B、 Make sure that the ATC transponders are in standby mode when you simulate altitude.
C、 It is optional to keep the ATC transponders in ready mode during altitude simulation.
答案：B
A. 那些组件和部件存储、调节并向旅客和机组输送氧气，包括气瓶、释压活门、关断活门、出口、调节器、面罩等。
B. 气瓶，释压活门，关断活门，出口，调节器，面罩等组件和部件储存氧气，并将调节后的氧气提供给乘客和机组。
C. 那些旅客和机组氧气系统的相关组件和部件存储、调节、输送氧气，包括气瓶、释压活门、关断活门、出口、调节器、面罩等。
A. 通常，涡轮发动机转速计会以涡轮额定最大转速的百分比测量转速。
B. 涡轮发动机转速计通常会测量一个百分比转速，并与涡轮的正常最大转速比对。
C. 涡轮发动机转速计通常测量的速度与涡轮发动机最大名义转速成正比。
A. The Federal Aviation Regulations require "maximum continuous power" to be used during airframe and engine combination certification to show obedience with certain criteria.
B. Federal aviation regulations require "maximum continuing power" to be used during the certifying of the airframe and engine to meet certain criteria.
C. Federal aviation regulations, in combination of airframe and engine certification process, the use of "maximum continuous power", are used to show compliance with certain standards.
A. Do not use verbs that are general and vague.
B. Do not use verbs that are normal and mixed.
C. Do not use verbs that are usual and blended..
A. Use the upper latch mechanism to lock the lower display unit in the middle.
B. The latch mechanism at the top is used to secure the center display unit on the bottom.
C. The center lower display unit is installed with the latch mechanism at the top.
A. It is important that the correct sequence of assembly is used when doing a repair, this will make sure that all parts are correctly aligned.
B. It is important to assemble the parts in a correct order during a repair which makes sure all parts correctly aligned.
C. When doing a repair, the correct sequence of assembly is important, which will make sure that all parts are correctly engaged.
A. Advisory circular must always be carried out on aircraft.
B. Advisory circular is the procedure that must be used when performing maintenance on an aircraft.
C. FAA provides advisory circular which is not always carried out on aircraft.
A. 根据制造商的意见，本章节描述飞机时提供了最有用的信息给最有可能驾驶飞机的飞行员。
B. 本章节将按照制造商考虑的方式描述飞机，以使最有可能操作该飞机的飞行员获得最多的信息。
C. 制造商考虑在本章节中描述飞机时提供更多的信息，以帮助飞行员更有效地操作飞机。
A. 球型接头很少应用于现代飞机，因为它减少了应力。
B. 球型接头很少应用于现代飞机，因为它减少了摩擦力。
C. 因为可以减小摩擦力，滚珠轴承广泛应用于现代飞机。
A. With the aid of the component manufacturer, all components in this chapter can be overhauled in any workshops with different qualifications.
B. Without the data supplied by the component manufacturer, it is possible for the most qualified shop to overhaul any components included in this chapter.
C. You must overhaul any or all components in this chapter in an eligible shop on the basis of data provided by the component manufacturer.
