374.If you find an incorrect quantity of air from the vent mast, do a
system test.

A. 　STAY

B. 　STILL

C. 　LEAVE

A. 　GETS

B. 　SENSES

C. 　OBTAINS

A. 　文本应尽可能简单易懂。

B. 　文本可以尽量简单易懂。

C. 　文本应该尽可能简明扼要。

A. 　 INJURY

B. 　 WEAR

C. 　 ABRASE

A. 　KEEP

B. 　HOLD

C. 　MAINTAIN

A. 　Those units means that they can prevent it from eroding.

B. 　Those units provide a method of deicing.

C. 　Those units provide away to prevent the formation of ice.

A. 　把这些部分中的每一个故障按概率的顺序列出。

B. 　把这些部分按概率的顺序列在每个故障下面。

C. 　把这些故障列在每个部分下面为了增加概率。

A. 　ADD

B. 　INCREASE

C. 　FILL

A. 　发动机的驱动马达没有点火。

B. 　启动发动机但不点火。

C. 　带转发动机但不点火。

A. 　Before you accept the unit, do the functional test procedure.

B. 　Before you accept the unit, do the operational test procedure.

C. 　Before you accept the unit, do the specified test procedure.