A、 Advisory circular must always be carried out on aircraft.
B、 Advisory circular is the procedure that must be used when performing maintenance on an aircraft.
C、 FAA provides advisory circular which is not always carried out on aircraft.
答案：C
A、 Advisory circular must always be carried out on aircraft.
B、 Advisory circular is the procedure that must be used when performing maintenance on an aircraft.
C、 FAA provides advisory circular which is not always carried out on aircraft.
答案：C
A. The function of the portable water system is to store and send drinking water to the passengers.
B. The potable water system must keep and transfer the water to the toilet for washing only.
C. The purpose of the drinking water system is to store and deliver the water for drinking.
A. 组装总管。
B. 安装连杆。
C. 安装总管。
A. Find out which door has a fault and is closed.
B. Make sure that which door has a failure.
C. Find out which door has not closed.
A. Install caps on the receptacles to make sure that unwanted material does not go into the receptacles.
B. To ensure foreign objects do not get into the connectors, you should install caps.
C. To keep the unwanted material away from the receptacles, install plugs on them.
A. 滑油必须要分析。
B. 对滑油进行分析。
C. 已经分析了滑油。
A. The air pressure is almost correct.
B. The air pressure is too low.
C. The air pressure is too high.
A. 如果可以更早地显示维护页面，则能够显示之前的测试运行数据。
B. 它会显示上次的试验数据，如果你早些展示维护页面。
C. 如果过早地显示维修页面，它将显示前一次的测试运行数据。
A. Get the approval of the design authority,whatever it is necessary to change the repair scheme.
B. Change the repair scheme, until getting the approval of the design authority.
C. If it is necessary to change the repair scheme, get the approval of the design authority.
A. 如果厚度超过 0.1 mm，则重新安装零件。
B. 如果重叠超过 0.1 mm，则重新组装零件。
C. 如果间距超过 0.1 mm，则重新调整零件。
A. 如果你不小心将防水剂喷到了干燥的挡风玻璃上，使用肥皂水进行清除。
B. 如果意外作动电门在干燥风挡上喷洒了离水液，使用化合物进行清洁。
C. 如果意外将疏雨液喷到了干燥风挡上，需用溶剂进行清除。
