A、 The specification gives the symbols for relays,diodes,and other parts of the system.
B、 The specification gives the requirement for markings on relay,triode and other parts of the system.
C、 The specification excludes symbols for relays,diodes,and other system parts.
答案：A
A、 The specification gives the symbols for relays,diodes,and other parts of the system.
B、 The specification gives the requirement for markings on relay,triode and other parts of the system.
C、 The specification excludes symbols for relays,diodes,and other system parts.
答案：A
A. Because of the risk of contamination,you must do this task in a very clean environment.
B. To prevent environmental pollution,this task must be done in a very clean area.
C. In order to prevent contamination,the task you must do is to find a very clean environment.
A. Make sure that the coils of the oxygen hose do not rub together.
B. It is acceptable the coils of the chlorine hose rub together.
C. Ensure that the coils of the nitrogen hose do not rub together.
A. Compressed air will push contamination into the display unit.
B. The display unit will be contaminated by compressed air.
C. Air pressure will push the dirt into the display unit.
A. APU start attempts are inhibited above 25,000 feet with both busses off,only one start attempt is allowed below 25000 feet.
B. With both busses power off,APU start attempts is recommended above 25000 feet and only one start could be accepted below 25,000 feet.
C. APU start attempts are not recommended above 25,000 feet.With both busses off,only one start attempt is recommended below 25,000 feet.
A. Check such system to determine the cause of interference.
B. Examine part of the system to find the cause of the interference.
C. Examine all of the system to find the cause of the interference.
A. 冷却系统可以在客舱控制以提供冷却空气。
B. 冷却系统提供冷却空气控制客舱温度。
C. 冷却系统及其控制为客舱提供冷却空气。
A. 文本说明和有关例句构成了每个规则。
B. 每项规则都附有文字解释和相应事例。
C. 每条规则包括解释性的文本和相关的例子。
A. Grind the surface with a soft cloth after it becomes light.
B. Rub the surface with a soft cloth when it becomes brightness.
C. Polish the surface with a soft cloth until it becomes shiny.
A. 有两种可用的编号方法。对于拥有一系列复杂系统的飞机,建议使用完整的“系统/章节”索引方法。对于小飞机或相对不复杂的飞机,可用简化的索引方法。
B. 有两种可用的编号方法。对于拥有一系列复杂系统的飞机,建议使用完整的“系统/章节”索引方法。对于小飞机或相对不复杂的飞机,可在编写索引号时用缩写的方式。
C. 有两种可用的编号方法。对于拥有复杂系统矩阵的飞机,建议使用完整的“系统/章节”索引方法。对于小飞机或相对不复杂的飞机,可在编写索引号时用缩写的方式。
D. C.有两种可用的编号方法。对于拥有复杂系统矩阵的飞机,建议使用完整的“系统/章节”索
E. C.有两种可用的编号方法。对于拥有复杂系统矩阵的飞机,建议使用完整的“系统/章节”索引方法。对于小飞机或相对不复杂的飞机,可在编写索引号时用缩写的方式。
A. 如燃油面涨到通气油箱高度,则燃油将从通风口中排出。
B. 如燃油水平在通气油箱有充足高度,则燃油将从通风扇中排出。
C. 如燃油油位在通气油箱中足够高,则燃油将从通风戽中排出。
