A、 When this material comes into contact with hot surfaces, it emits hazardous fumes.
B、 Contact between hot surfaces and this material results in the release of harmful heat.
C、 Dangerous fumes are consumed by this material upon contact with hot surfaces.
答案：C
A、 When this material comes into contact with hot surfaces, it emits hazardous fumes.
B、 Contact between hot surfaces and this material results in the release of harmful heat.
C、 Dangerous fumes are consumed by this material upon contact with hot surfaces.
答案：C
A. A reporting system, conherent with the system applied by the ABC Service Organization, has been established and included in this document.
B. A reporting system, compliance with the system used by the ABC Service Organization, has been established and comprised of this document.
C. A reporting system, constituent with the system employed by the ABC Service Organization, has been established and accomplished in this document.
A. Clean the elastic surfaces that are transparent.
B. Clean the plastic surfaces that are not transparent.
C. Clean the plastic surfaces that are not vague.
A. Such tests or checks will be completed according to the conditions.
B. Such tests or checks will be very complex according to the conditions.
C. Such tests or checks will be different in complexity according to the conditions.
A. The exit doors are mainly used for passenger boarding.
B. The exit doors are only used for evacuation.
C. The exit doors are not only used for the passengers to evacuate from the airplane but also used for normal exit.
A. After finishing the following procedure, repair the upper flange.
B. Repair the lower flange first during the procedure that follows.
C. Repair the upper flange first during the following procedure.
解析：这道题考察的是修理顺序的问题。题干中说在接下来的程序中，首先修理上部法兰。所以正确答案是C。
为了更好地理解，我们可以举一个生动的例子。想象一下你正在组装一台复杂的机器，其中有上部和下部两个法兰需要修理。如果你先修理下部法兰，那么在接下来的程序中，上部法兰可能会受到影响或者无法正确安装。所以，为了确保机器的正常运转，必须首先修理上部法兰，这样才能顺利进行后续的程序。
A. During inspection, if the nuts and washers are removed, recheck them.
B. Take a good place for the nuts and washers removed during inspection.
C. If nuts and washers are removed during inspection, install the new ones.
解析：这道题是关于在检查过程中如果螺母和垫圈被移除应该怎么处理的问题。正确答案是C:如果在检查过程中螺母和垫圈被移除，应该安装新的螺母和垫圈。
举个生动的例子来帮助理解这个知识点：假设你正在检查一台机器，发现其中的螺母和垫圈已经磨损或者损坏了，这时候就需要将它们移除并安装新的螺母和垫圈。因为螺母和垫圈在机器中起着固定和缓冲的作用，如果它们磨损或者损坏了，就需要及时更换，以确保机器的正常运转和安全性。
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. The positive pressure relief valves are fail safe devices. If the aft outflow valve cann’t be closed, these positive pressure relief valves bleed fuselage pressure overboard.
B. The positive pressure relief valves are fail safe devices. If the positive pressure relief valves fails closed, these aft outflow valve bleed fuselage pressure overboard.
C. The positive pressure relief valves are fail safe devices. If the aft outflow valve fails closed, these positive pressure relief valves bleed fuselage pressure overboard.
A. The air pressure is almost correct.
B. The air pressure is too low.
C. The air pressure is too high.
解析：这道题考察的是空气压力的概念。选项A表示空气压力几乎正确，选项B表示空气压力太低，而选项C表示空气压力太高。根据题干中提到的空气压力高于正常，因此正确答案是C。
让我们通过一个生动的例子来帮助理解这个知识点。想象一下，你正在爬山，随着海拔的升高，空气变得稀薄，气压也会逐渐降低。如果你突然感觉到头晕眼花，这可能是因为气压太低，导致氧气供应不足。相反，如果你在潜水时深入水下，水压会增加，这时你可能感觉到耳朵有些不适，这是因为水压增加导致耳膜受压。因此，了解空气压力的概念对我们在不同环境下保持舒适和安全非常重要。
A. It is up to the manufacturer to decide whether time limits/inspection and maintenance checks should be included in a separate manual or in a maintenance manual.
B. It is the manufacturer＇s option to place Time Limits/Inspections and Maintenance Checks in a separate manual on condition that they are also included in the Maintenance Manual.
C. Time Limits/Inspections and Maintenance Checks can be included in he Maintenance manual provided they have already been placed in a separate manual by the manufacturer.
