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. Shall include dedicated tools, items and materials.
B. Common tools, equipment and materials shall include.
C. Special tools, equipment and materials shall be included.
A. 在描述飞机行李舱时，应给出装载提示。
B. 在描述飞机行李舱时，应给出压力提示。
C. 在描述飞机行李舱时，应给出加载提示。
A. This method is used widely in plotting vectors for navigation problems on a chart.
B. Plotting factors for navigation problems on a chart is a widely used method.
C. Drawing factors for navigation problems on a chart is a widely used method.
A. Torsion the plug to the receptacle
B. Mate the plug to the receptacle
C. Connect the plug to the receptacle
A. 编号应成数字级数排列，以章节号为前缀。
B. 编号应冠以章节号，按数字顺序排列。
C. 以章节号开头，数字大小排列。
A. 点火部分包括感应振荡器、磁电机、开关、主过滤器、分配器、线束、火花塞、点火继电器、激励器和提前点火的电气部分。
B. 点火部分包括感应振动器、磁电机、开关、铅过滤器、分配器、线束、插头、和火花提前的电气部分。
C. 点火部分包括感应振动器、开关、铅过滤器、分配器、线束、插头、点火继电器、激励器和火花提前的电气部分。
A. Explain when there is any change to the weight or force distance of the airplane, how to keep this record so as to acquire right starting data by calculating the weight and c.g. during normal operation of the airplane.
B. Explain how to maintain this record when changes to the weight or moments of the airplane are made so that accurate starting data is available to calculate the weight and c. g. during normal operation of the airplane.
C. In order to get correct starting data during abnormal operation of the airplane, the weight and c. g. should be calculated and explain how to keep this record when there are changes to the weight or moments of airplane.
A. The space equipment releases the air from the compound.
B. The vacuum equipment decreases the air from the compound.
C. The vacuum equipment removes the air from the compound.
A. This commonality requires greater learning and understanding for pilots, aircraft maintenance technicians and engineers alike.
B. This commonality makes it easier for pilots, aircraft maintenance technicians and engineers alike to learn and understand.
C. This commonality brings about better learning and understanding of the pilots, aircraft maintenance technicians and engineers alike.
A. Soak the element for two hours.
B. Wet the element for two hours.
C. Stove the element for two hours.
