2616. Make sure that the cable is not caught

A. Basic control and operation information describing how the airplane components are controlled and how they operate, including any special procedures, and limitations that apply.

B. Basic control and operation information describing how the airplane components are controlled and operated, including any special procedures, and limitations that apply.

C. Basic control and operation information describing how the airplane components controll and operate, including any special procedures, and limitations that apply.

A. Check the drain for any deterioration of the sealant.

B. Discard the sealant if it blocks the drain.

C. Check the sealant does not block the drain.

A. All aircraft engines must meet certain general efficiency, economy, and reliability requirements, which require that the ignition system can provide ignition pulses at the proper time to the spark plug in various weather and other adverse conditions.

B. All aircraft engines must meet certain overall efficiency, economy and reliability requirements, which require the ignition system should provide ignition pulses at appropriate times under meteorological and other unfavorable conditions.

C. All aircraft engines must meet certain general requirements of reliability, economic and efficiency, which dictates the use of ignition systems that deliver the firing impulse to the spark plugs in all kinds of weather and under other adverse conditions.

A. That portion of the system is used to eliminate or prevent the formation of ice on propellers.

B. The function of that part of the system is to decelerate or prevent the deformation of ice on propellers.

C. The usage of the system portion is to accelerate or facilitate the formation of ice on propellers.

A. 动词的词组

B. 动词的时态

C. 动词的组合

A. 无论气瓶的关断活门处于何种状态,氧气瓶上的机械压力表显示气瓶压力。

B. 当气瓶的关断活门状态正常时,氧气瓶上的机械压力表显示气瓶压力。

C. 无论气瓶的关断活门处于何种状态,氧气瓶上的电子压力表显示气瓶压力。

A. 仪表必须与表格中的价值一致。

B. 指示必须与表格中的值一致。

C. 指示必须与桌子上的值一致。

A. In designing schematic diagrams, it may be necessary to combine two aspects: specification necessary to make the diagram clear, And the simplicity essential for ease of reading and understanding.

B. In designing schematic diagrams, it may be necessary to comprehend two aspects: detection necessary to make the diagram self-contained, And the simplification essential for ease of reading and understanding.

C. In designing schematic diagrams, it may be necessary to compromise two aspects: detail necessary to make the diagram self-explanatory, And the simplicity essential for ease of reading and understanding.

A. In general, when describing the aircraft or its system, you should use third person such as there is shimmy damper on the nose wheel in order to prevent the wheel shimmying and rolling on the ground.

B. Generally speaking, third person should be used while describing the air craft or their system. For example the nose wheel is available on the shimmy damper so as to shimmy or roll on the ground.

C. Generally, in describing the airplane or its system, third person wording should be used. (For example: The nose wheel is provided with a shimmy damper to keep the wheel from shimmying while rolling on the ground. )

A. Two persons are asked to prepare the fire bottles.

B. Appoint two persons to be prepared to operate the fire extinguishers.

C. The fire is extinguished by two persons on standby.