991、Such wires and cables shall be capable e of being connected to the ground network of the aircraft
electrical system.
这种电线和电缆应能够连接到飞机电气系统的地面网络

A. 　该数字表明了系统的规模

B. 　该图片显示了系统的结构

C. 　该形状说明了系统的形式

A. 　 The drain float valves in the vent tubes and the vent channels dilute the fuel in the vent system to drain
out of the tank when the fuel face is lower than the valve.

B. 　 The drain float valves in the vent tubes and the vent channels permit fuel in the vent system to drain into
the tank when the fuel level is lower than the valve.

C. 　 The drain float valves in the vent tubes and from the vent channels allow the fuel in the vent system to
drain into the tank when the fuel quantity is lower than the valve.

A. 　 Examine and remove the parts that are damaged.

B. 　 Examine the removed parts with damage.

C. 　 Examine the removed parts for damage.

A. 　 For aircraft with a range of sophistic lor complex systems, a system-wide indexing approach is
recommended.

B. 　 For aircraft including an article of exquisite or complex systems, a whole system indexing way is intended,

C. 　 The aircraft which have a number of complicated or complex systems are suggested to use the full
system/chapter index method.

A. 　如果没有明显迹象表明紧固件松动,在紧固件头部和相邻材料上标记一条红线

B. 　如果紧固件松动的迹象不清晰,则跨过紧固件头部和相邻材料上标记一条红线

C. 　如果没有清晰地显示出紧固件松动,则在紧固件头部和相邻材料上方标记一条红线

A. 　 Without venting the lDG, the accuracy of your check will be affected.

B. 　 Only if you reset the lDG, your check is effective.

C. 　 The ventilation of the lDG accelerates your check.

A. 　量规的精度必须符合适用的质量标准。

B. 　选择量规必须参照已有的质量标准。

C. 　采购护目镜必须满足相应的质量标准。

A. 　在转换过程中, 可以使用缩写 CAP

B. 　在另一种选择中,可以使用大写 CAP

C. 　另一种选择中,可以使用缩写 CAP

A. 　 The fragile connector is usually closed. 易碎连接器通常是闭合的

B. 　 The quick-break switch is normally in the off position.

C. 　 The frangible fitting is a normally closed valve.

A. 　 A small amount of oil remains in the starter.

B. 　 Little oil is stored in the starter. if

C. 　 The starter consumes a few oil