A. A part of a system for the preservation and delivery of fresh drinking water. If potable water is also used for flushing, a flushing system is installed.

B. That portion of the system which is used to store and deliver fresh drinking water. Includes wash water system if the potable water is also used for washing.

C. The part of a system used to store and convey potable water in a tank. If potable water is also used for flushing, a flushing system is included.

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3009. 确保螺栓上的标记与手柄上的标记水平

A. Make sure that the mark on the bolt is aligned with the mark on the handle.

B. Make sure that the mark on the bolt is level with the mark on the handle.

C. Make sure that the mark on the bolt is parallel to the mark on the handle.

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234. The primary cause of valve failure is contamination of the hydraulic fluid

A. The failure of the valve causes the contamination of the hydraulic fluid.

B. The failure of the valve is unrelated to the contamination of the hydraulic fluid.

C. Hydraulic fluid contamination is the major contributor for the valve failure.

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2993. Catalyst is substance used to change the speed or rate of a chemical action without being chemically changed itself

A. Catalyst remains unchanged during the processing of chemical action.

B. Catalyst is substance used to change the speed or rate of a chemical action with its molecular structure being changed.

C. Catalyst is substance used to change the speed or rate of a chemical action without being physically changed itself.

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410. The localizer course is aligned with the centerline of the runway, and the glideslope path is at a constant angle to the threshold of the runway

A. 定位器与跑道中心线对齐,下滑道与跑到出口成一定角度。

B. 航道与跑道中心线对齐,下滑道与跑到入口成恒定角度。

C. 航道与跑道中心线对齐,下滑道与跑到出口成恒定角度。

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2276. 如果液体在厨房内溅出,必须立即清除所有液体的痕迹,并使受污染区域完全干燥。

A. If liquid spills in the kitchen, all traces of the liquid must be cleaned promptly, and the concerned area must be completely dry.

B. If liquids are spilled inside the galley, you must remove all signs of liquid and fully dry the areas of contamination immediately.

C. If liquid spills in the galley, all marks of the liquid must be removed at once and the polluted area must be completely dried.

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2270. The hydraulic pressure system supplies pressure for the operation of the flight controls

A. 液压系统为飞行控制系统的操作提供压力

B. 飞行控制系统为液压系统的操作提供压力

C. 液压系统与飞行控制系统共同提供压力。

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1532. The minimum time between checks is two minutes

A. 两次检查后最少等待两分钟。

B. 两次检查之间的最短时间是两分钟。

C. 两次检查之间最多等待两分钟。

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1347. 控制组件安装在驾驶舱的后部。

A. The operational unit is installed aft of the flight compartment.

B. The control unit is installed aft of the crew＇s workspace.

C. The control unit is installed aft of the flight compartment.

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943. This procedure includes the instructions to remove the constant speed drive( )

A. 这个程序包括拆卸恒速驱动装置(CSD)的说明。

B. 此程序包括删除恒速驱动装置(CSD)的指令。

C. 这个程序包括指令来去除恒速驱动装置(CSD)。

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