2425. 设置电门到2的位置,以得到正确的值。

A. If you cannot remove a nut because of corrosion, apply penetrating oil.

B. If you cannot disassembly a bolt because of corrosion, use penetrating oil.

C. If you cannot remove a bolt because of corrosion, apply penetrating oil.

A. 操作测试:仅是确定系统或组件操作正常的程序。

B. 可用性测试:只确定系统或组件可操作所需的程序。

C. 操作测试:这个程序需要系统或者组件可用。

A. Usually, we name it fly by electical system"."

B. Usually, we name it fly by electical control system"."

C. Generally, we name it flight by wire system"."

A. was not; was

B. does not; are

C. did not; was

A. The Specification provides flexibility in Handbook preparation based on the complexity of the airplane while maintaining a high degree of standardization of arrangement, definitions, and performance information.

B. The Specification provides flexibility in Handbook preparation based on the complicacy of the airplane, but ignoring a high degree of standardization of structure, definitions, and performance information.

C. The Specification provides uniformity in Handbook preparation based on the simplicity of the airplane while retaining a high degree of standardization arrangement. definitions; and performance information.

A. 控制增压系统用于增加机身内部的压力;

B. 压缩控制系统用于控制机身内部的空气压缩;

C. 增压控制系统用于控制机身内部的压力;

A. 根据当地的正确程序使用或丢弃封严胶

B. 遵守当地规定,正确使用或丢弃溶剂

C. 遵守局方规定,正确使用或丢弃封严胶

A. The question whom should do the work requires consideration.

B. The question who should do the work requires consideration.

C. The question how should do the work requires consideration

A. Make sure that the movement limits of the flight control surfaces are free.

B. Make sure that the travel ranges of the flight control surfaces are clear

C. Make sure that the travel limits of the flight control rudders are clean.

A. Make sure that there are no indications of movement along the span.

B. Make sure that there are no signs of movement along the span.

C. Make sure that there are no indications of movement along the airframe.