如果没有安装门测试止动器或胶带纸，在功能测试期间，PSU氧气盒门将打开，

单选题如果没有安装门测试止动器或胶带纸，在功能测试期间，PSU氧气盒门将打开，氧气面罩将从氧气盒内掉出。

A、 During the system test, the PSU nitrogen mask doors will open and the nitrogen masks will appear in the nitrogen box if the door test stop or the tapes are not installed.

B、 If the door test stop or the masking tape is not installed, the doors of the PSU oxygen box will open and the oxygen mask will remain in the original position.

C、 The PSU oxygen box doors will open and the oxygen masks will go out of the oxygen boxes during the functional test if you do not install the door test stop or the masking tape.

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单选题空气涡轮机启动器的故障会触发发动机过热和火警信号。

A、Failure of the air turbine starter can trigger the engine overheat and fire indications.

B、The air turbine starter fails to trigger the engine overheat and fire indications.

C、Failure of the air turbine starter can cause the engine overheat and fire indications.

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单选题在更正栏中，列出部件故障纠正措施涉及的所有注意事项或要点。

A、In the correction column, list any notes or key points involved in correcting the trouble in the unit.

B、List any notes or key points involved in corrective actions for units faults during correction.

C、List all corrective actions, any notes or key points related to a unit failure when you do the Correction.

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单选题对只包含一个章节的CAP页码按顺序编号，并标明章节。

A、Only number CAP pages that contain one chapter in sequence and identify the chapters.

B、Number the pages of CAPs containing only one section in sequence with section identification.

C、For the CAP pages that contain only a chapter in sequence, mark the chapters.

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单选题语音记录器组件的外壳具有以下特性：防水，耐冲击和耐热。

A、The housing for the voice recorder unit has these properties: water tolerance, shock resistant and heat resistant.

B、The container for the voice recorder unit has these properties: watertproof, spin resistant and heat resistant.

C、The container for the voice recorder unit has these properties: watertight, shock resistant and heat resistant.

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单选题如果飞机停在斜坡上，请确保放好轮挡处。

A、If the aircraft is parked on the ground, make sure that wheel chocks are placed.

B、If the aircraft is parked on the ground, make sure that wheel chocks are in position.

C、If the aircraft is parked on a slope, make sure that wheel chocks are in position.

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单选题喷气式发动机的基本原理很简单，其结构也非常简单。

A、Not only the basic principle of the reciprocating engine is simple, and also the assembly.

B、The basic principle of a jet engine is simple, and so is its construction.

C、The basic principle of the propeller driven engine is simple, as well as the installation.

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A、Elevator move is limited by the move of the elevator power control units.

B、Elevator trip is limited by the move of the elevator power control units.

C、Elevator travel is limited by the stroke of the elevator power control units.

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单选题不在存储器中的频率调谐时间通常为2到4秒，最大为7秒。

A、The tune time for a frequency not in memory is 2 to 4 seconds typical, 7 seconds maximum.

B、The adjust time for a frequency not in memory is 2 to 4 seconds typical, 7 seconds maximum.

C、The tune time for a frequency not in memory is 2 to 4 seconds common, 7 seconds maximum.

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