A、 每页底部应标明页码和发行日期或修订日期
B、 每页都应有页码和日期或改版日期
C、 每页都应有页码,并且日期或改版信息在底部
答案：A
A、 每页底部应标明页码和发行日期或修订日期
B、 每页都应有页码和日期或改版日期
C、 每页都应有页码,并且日期或改版信息在底部
答案：A
A. If it is less than two hours since you mixed the compound, do not use it.
B. If it is more than two hours since you mixed the compound, do not use it directly.
C. If it is more than two hours since you mixed the compound, do not use it.
A. When the required maintenance procedure is not very long and fairly simple, the above combination can be grouped under a title which is called maintenance practice.
B. When the required maintenance procedure is not lengthy and is relatively simple, a combination of the above may be grouped under one heading and called maintenance practices.
C. When the required maintenance procedures are not very long and comparatively simple, the above combinations can be bound under one subject, calling maintenance practices.
A. The APU fire alarm system accumulates the same fire alarm in the flight deck as in the engine.
B. The APU fire warning system actuates the same fire warning in the flight compartment as the engines.
C. The APU fire warning system activates the same fire warning in the cockpit as for the engines.
D.
E.
F.
G.
H.
I.
J.
解析：
A. The captain＇s primary flight, navigation, and center lower engine display units must be cleaned since the ventilation holes behind them are clogged by lint, dust and debris.
B. Clean the vent holes behind the captain＇s primary flight navigation and lower middle engine display units which are blocked by lint, dust and debris.
C. Clean all lint, dust and debris from the ventilation holes located on the aft side of the captain＇s primary flight navigation, and center lower engine display units.
A. Removal of the cover is necessary
B. It is necessary to install the cover
C. lt is a must to remove the cover
A. Propeller governor is a device that adjusts the speed of the engine or propeller by increasing or decreasing the clearance of the propeller through the clearance changing mechanism on the propeller hub.
B. Propeller governor is the device that regulates the rpm of the engine or propeller by increasing or decreasing the propeller pitch, through a pitch change mechanism in the propeller hub.
C. Propeller governor is through the propeller hub of the propeller pitch changing machine, adjusts the speed of the propeller or engine by increasing or decreasing the propeller gap.
A. Do the tightening procedure.
B. Do the loosening procedure.
C. Do the strengthening procedure.
A. 确保舱门与其附近表面平齐。
B. 确保使用与舱门表面相似的材料对舱门进行打磨。
C. 确保舱门材料与其附近表面材料相同。
A. 在任何时候,你都可以调整启动顺序
B. 你可以停止启动程序任意次数
C. 在任何时候,你都可以停止启动程序
A. Move the throttle quickly to the idle position
B. Quickly move the throttle to the middle position
C. Push the thorttle quickly to neutral position
