A、 The air conditioning cooling system supplies cooled air to the cabin. Includes items such as the cooling unit, indicating systems related to the cooler operation, etc.
B、 The air conditioning cooling system supplies cold air to the passenger cabin. Includes items such as the cooling unit, indicating systems related to the cooler operation, etc.
C、 The air conditioning cooling system supplies cooled air to the passenger cabin. Includes items such as the cooling pack, indicating systems related to the cooler operation, etc.
答案：A
A、 The air conditioning cooling system supplies cooled air to the cabin. Includes items such as the cooling unit, indicating systems related to the cooler operation, etc.
B、 The air conditioning cooling system supplies cold air to the passenger cabin. Includes items such as the cooling unit, indicating systems related to the cooler operation, etc.
C、 The air conditioning cooling system supplies cooled air to the passenger cabin. Includes items such as the cooling pack, indicating systems related to the cooler operation, etc.
答案：A
A. 应使用比例尺图对飞机的总体布局进行说明，该比例尺图由平面图、侧视图和正面视图组成，并在单页上以垂直顺序展示。
B. 应使用气动布局图对飞机总体安排进行说明，说明内容包括计划、侧面图和正面图，并以垂直顺序在单页上列出。
C. 应在单页上以横向顺序的呈现方式对飞机总体布局和示意图进行说明，包括平面图、侧视图和正面视图。
A. The paper must include a three-looking picture of the unit.
B. The report must inclue a three- view drawing of the unit.
C. The diagram must include a three-side drawing of the unit.
A. 将钢索拼成三段那么高。
B. 将电缆剪成三等份那么宽。
C. 将钢索剪成等长的三段。
A. If the error is more than 3 degrees, calibrate the glide slope.
B. If the error is more than 3 degrees, calibrate the compass.
C. If the error is more than 3 degrees, calibrate the gyroscope.
A. 打开阀门，让空气进入减震支柱。
B. 打开活门，让氮气进入减震支柱。
C. 打开活门，让氖气进入减震支柱。
A. The airline operator is irresponsible for ensuring that all airworthiness instructions are complied with and that the handling, servicing and maintenance of the airplane is done when required and according to the Federal Aviation Regularities.
B. The operator is responsible for ensuring that all airworthiness directives are observed and that the handling, servicing and maintenance of the airplane is done when required and in accordance with the Federal Aviation Regulations.
C. The operator has the duty ensuring that all airworthiness directives are compiled with and that the handling, servicing and maintenance of the airplane is performed when needed and in accordance with the Feudal Aviation Regulations.
A. 从油箱排出约2升滑油。
B. 从油箱排出约2升液压油。
C. 从油箱排出约2升燃油。
A. 设备清单上的项目可以按项目编号进行识别，并按逻辑分组，使用诸如“螺旋桨和螺旋桨附件”，“发动机和发动机附件”，“起落架”，“电气设备”，“内部设备”，“自动驾驶”等标题。
B. 设备清单上的项目可以通过序列号表示，并进行逻辑排列，使用的标题可以是“螺旋桨和螺旋桨附件”，“发动机和发动机附件”，“起落架”，“电气设备”，“外部设备”，“自动驾驶”等。
C. 设备清单上的项目可以通过使用诸如“螺旋桨和螺旋桨附件”，“发动机和发动机附件”，“起落架”，“电气设备”，“外部设备”，“自动驾驶”等标题来进行序列编号标识以及逻辑分组。
A. 在地面上的停放点贴上胶带。
B. 在地面上通过系留点贴上警示带。
C. 将绳索通过系留点连接到地面。
A. 转动滑轮之前，拆下销子。
B. 转动扇形盘之前，取下销子。
C. 转动轮毂之前，拆下销子。
