A、 The section of the system which is used to sense and signal the formation of ice.
B、 The portion of the system which is used to detect and display the condition of ice.
C、 The portion of the system which is used to detect and indicate the formation of ice.
答案：C
A、 The section of the system which is used to sense and signal the formation of ice.
B、 The portion of the system which is used to detect and display the condition of ice.
C、 The portion of the system which is used to detect and indicate the formation of ice.
答案：C
A. 通风系统使飞机产生不同的压力从而将废气排出。
B. 飞机利用通风系统将空气排出机外。
C. 通风系统利用压差将空气排出飞机。
A. 如果电缆扭结，那么一段时间后会断开。
B. 如果导线摩擦，过段时间后会断裂。
C. 如果导线摩擦，过段时间将会破损。
A. 为了简化阅读和相互援引，插图、图形和表格应尽可能以纵向排列布局呈现。
B. 为方便阅读和相互参照，如可行，插图、图形和表格应垂直排列布局。
C. 为了精简阅读和交叉索引，插图、图标和表格如可行，应纵向排列布局。
A. 焊接时请带防护面罩。
B. 在焊接过程中，请使用保护罩。
C. 在焊接的程序中有使用防护屏的要求。
A. There are several steps to replace the light assembly.
B. The steps to replace the light assembly are not complicated.
C. The following steps are to change the light component.
A. Starting system refers to those units, components and associated systems used for igniting the engine.
B. Starting system refers to those units, components and associated systems used for idling the engine.
C. Starting system refers to those units, components and associated systems used for starting the engine.
A. substituted oil and authorized addings
B. alternate fuels and approved additives
C. replaceable fuels and accepted additives
A. Obey the safety precautions when you do work with high voltages.
B. Obey the safety warnings when you do work with high impedance.
C. Obey the safety cautions when you do work with high capacitance.
A. 对现有分析进行了审查，以确定可能表现出较低安全裕度的部件和区域。
B. 对现有分析进行复核，对部件和区域进行标识，以显示出较低安全裕度。
C. 对于安全裕度较低的部件和区域进行标识并进行了现场分析审查。
A. When you access to the rear fuselage through the access panel.
B. When you get to the aft aircraft body through the control panel.
C. As you reach to the aft part of the aircraft by the visit door.
