A、 “紧急情况”却几乎总是出现某个故障需要立即处理，例如全部动力装置故障、火灾或烟雾或客舱快速释压。
B、 然而，“紧急情况”几乎总是涉及需要立即快速响应的失效，如一发完全失效、机上失火或冒烟或客舱快速释压。
C、 而“紧急情况”总是包括某种故障需要快速应对，比如动力装置完全失效，火灾或烟雾或者快速客舱失压。
答案：C
A、 “紧急情况”却几乎总是出现某个故障需要立即处理，例如全部动力装置故障、火灾或烟雾或客舱快速释压。
B、 然而，“紧急情况”几乎总是涉及需要立即快速响应的失效，如一发完全失效、机上失火或冒烟或客舱快速释压。
C、 而“紧急情况”总是包括某种故障需要快速应对，比如动力装置完全失效，火灾或烟雾或者快速客舱失压。
答案：C
A. 在驾驶舱放置警告标识，同时告知相关人员不要操作飞控系统。
B. 在驾驶舱放置警告标识，告知人员不要操作飞控舵面。
C. 在驾驶舱放置警告标识以告知无需操作飞控舵面的人员。
A. When the pressure decreases, lift the cover.
B. When the pressure increases, lift the cover.
C. When the pressure decreases, lift the covering.
A. Humidity adjustment is manual.
B. Pressure adjustment is automatic.
C. Temperature adjustment is automatic.
A. 确保放置正确尺寸的部件。
B. 确保更换的部件尺寸正确。
C. 确保更换的部件位置正确。
A. Emergency illumination refers to an individual and dependent subsystem which is used to provide lighting when the main electrical power fails.
B. Emergency lighting can provide illumination for an individual and independent subsystem in case of main electrical power failure.
C. Emergency lighting is the separate and independent subsystem used to provide illumination in case of primary electrical power failure.
A. In the STE example, this safety description is given as a caution, but if you know about oxygen systems, you also know that oxygen can occur explosions.
B. In the non-STE example, this safety instruction is given as a caution, but if you know about oxygen systems, you also know that oxygen can cause explosions.
C. In the non-STE example, caution is given in this safety description. But if you know about nitrogen systems, you also know that nitrogen can cause flames.
A. 这种防腐剂在华氏109度时融化。
B. 这种密封胶在华氏109度时燃烧。
C. 这种混合物在华氏109度时气化。
A. Obtain approval from the design authority after making any changes to this repair procedure.
B. Prior to modifying this repair procedure, obtain the approval of the design authority.
C. Ensure that the design authority approves nonessential alterations made to this repair procedure.
A. In these conditions, removal of the squibs from the fire extinguisher bottle is appropriate.
B. It is dangerous to remove the cartridges from the fire extinguisher bottle except under these conditions.
C. In these conditions, it is dangerous to remove the cartridges from the fire extinguisher bottle.
A. If the repair scheme must be changed, the approval of the design authority is hardly got.
B. If the design authority need change the repair scheme, it can get the approval.
C. If it is necessary to change the repair scheme, get the approval of the design authority.
