A、 If a supply shutoff valve was closed within five minutes, no maintenance performance is needed and shutoff periods are not accumulated.
B、 Maintenance action is not necessary and shutoff periods are not calculated unless the shutoff valve was closed for less than five minutes.
C、 When a supply shutoff valve was closed for five minutes, maintenance action is hardly required and shutoff duration are not included.
答案：A
A、 If a supply shutoff valve was closed within five minutes, no maintenance performance is needed and shutoff periods are not accumulated.
B、 Maintenance action is not necessary and shutoff periods are not calculated unless the shutoff valve was closed for less than five minutes.
C、 When a supply shutoff valve was closed for five minutes, maintenance action is hardly required and shutoff duration are not included.
答案：A
A. In order to locate lower margins of safety components and areas, current records were reviewed.
B. To find components and areas where have showed lower margins of safety, existing results were examined.
C. Existing analyses were reviewed to identify components and areas that may have exhibited lower margins of safety.
A. Airspeed values shall be expressed in knots.
B. Airspeed values shall be expressed in nautical miles.
C. Airspeed values shall be expressed in lbs.
A. 注：在随后的测试中，当来自交输进口的燃油流量超过5 毫升/分钟时，你将获得开启压力。
B. 注：在随后的测试中，当来自交输进口的燃油流量超过5 毫升/分钟时，你将获得刮痕压力。
C. 注：在随后的测试中，当来自横穿进口的燃油流量超过5 毫升/分钟时，你将获得刮痕压力。
A. When you restore the airplane to its normal condition, make sure the pin is released from the release mechanism.
B. Ensure to remove the pin from the let-go mechanism after you return from the airplane to its common position.
C. When the airplane is in good condition, you must uninstall the pin of the release mechanism.
A. Do not exceed this speed with landing gear retracted or extended.
B. It is not allowed to exceed the maximum speed of the landing gear retraction.
C. Don＇t extend or retract the landing gear above this speed.
A. Be careful not to get acid on your skin.
B. Do not get acid on your skin.
C. You must be careful to get acid on your skin.
A. AMM 的第 12章第10节是关于补给的。它提供了添加燃油、滑油、液压油、水、其他液体和轮胎充气等所需的说明。
B. AMM 的第 12章第10节是关于补液的。它提供了补给燃油、滑油、液压油、水、其他液体和轮胎压力等所需的说明。
C. AMM 的第 12章第10节是关于补液的。它提供了补给液压油、滑油、燃油、水、其他液体和轮胎压力等所需的说明。
A. Each Chapter or Section is to begin with a specific instruction of the system and its Operation and should be labeled “Description and Operation”.
B. A general description of the system begins with each Chapter or Section and its operation and should be labeled “Description and Operation”.
C. Each Chapter or Section is to start with a general description of the system and its operation and should be labeled “Description and Operation”.
A. 数据应显示外界温度、高度和风与起飞距离的关系。应包括地面滑跑距离和飞机达到高于地面50英尺的总起飞距离。达到这些距离所需的速度需应以指示空速给出。
B. 数据应显示为距离与外界大气温度、高度和风的关系。应包括地面滑跑和超过50英尺障碍物的总距离。达到这些距离所需的速度应在指示空速中规定。
C. 数据应以起飞距离与外界空气温度、高度和风力的关系来表示。地面横滚和50英尺障碍物的总距离都应包括在内。达到这些距离所需的速度应以指示空速进行计算。
A. 在创建STE时，一个重要的项目是开发简便的翻译工具。
B. 使翻译更容易是创建STE的基本要求之一。
C. 建立STE的主要目的之一就是使翻译更容易。
