A、 The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through ducts to the user systems.
B、 The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through manifold to the user systems.
C、 The pneumatic system gets comprised air from the pneumatic air sources and supplies comprised the air through ducts to the user systems.
答案：A
A、 The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through ducts to the user systems.
B、 The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through manifold to the user systems.
C、 The pneumatic system gets comprised air from the pneumatic air sources and supplies comprised the air through ducts to the user systems.
答案：A
A. 如果转子突然停止，请检查进气中是否含有不需要的杂质。
B. 如果转子突然停止转动，检查进气道是否存有外来物。
C. 如果转子突然停止，请检查进气口是否有需要的杂物。
A. There is a hard landing on the broken nose landing gear.
B. The landing gear has affected hard landing.
C. The nose landing gear is broken because of hard landing.
A. 程序应在每章内按编号顺序进行准备，并有适当的主次科目标题，无需从新的页面开始。
B. 程序应在每章内按照主次标题和参考号的形式进行编写，不需要从新的页面的开头开始。
C. 程序应在每章内按参考编号顺序编制，并有适当的主、副标题，而无需从新页的顶部开始。
A. Each of the two life vests located at L2 entry door flight crew station is damaged.
B. Each of the two life vests located at L2 entry door flight crew station is out of time limit.
C. Each of the two life vests located at L2 entry door flight crew station is out of service.
A. Check the cut for gaps that start at its corners.
B. Examine the opening for cracks that start at its corners.
C. Inspect the clearance of gate from the corner.
A. Transport the part to the overhaul shop.
B. Transport the part to the maintenance shop.
C. Remove the part to the overhaul shop.
A. 应提供重量平衡装载表，同时提供相关计算程序的解释说明
B. 应提供重量和平衡载荷表以及说明计算程序。
C. 应提供重量和平衡载荷表以及计算步骤说明。
A. 在初始蒙皮的初始紧固件位置，安装埋头铆钉。
B. 在初始蒙皮的初始紧固件位置，制作埋头垫圈。
C. 使埋头垫圈适用于初始蒙皮上的初始紧固件。
A. 气缸盖、排气（涡轮进口）温度等能通过发动机温度系统显示。
B. 发动机温度系统包括气缸盖、排气（涡轮进口）等，用于显示发动机温度。
C. 发动机温度系统用于指示发动机不同位置的温度，包括气缸盖温度、排气（涡轮进口）温度等。
A. Make the attitude of the valves the same.
B. Make the positions of the valves agree.
C. Make the altitude of the valves agree.
