The purpose of the spoilers is to disturb the smooth airflow across the top of the airfoil thereby creating an increased amount of drag and a decreased amount of lift on that airfoil.

A. 给连接在上述部件的锁控装置喷上防腐蚀剂。

B. 给连接在上述部件的锁控装置喷上防锈剂。

C. 给连接在上述部件的锁控装置喷上润滑剂。

A. 在记录卡上做登记。

B. 在记录本上做账目。

C. 进入到记录本的登记中。

A. 在每页的右下角输入页数和发行或改版日期。

B. 在每页的底部打印页码和发行或修订日期。

C. 在每页的底部输入页码和发行或修订数据。

A. Send the results of the audit to the quality department.

B. Tell the quality department about the results of the analysis.

C. Let the quality department know the results of audit.

A. 在本节显著的位置应包括一个清楚的声明，内容是适航限制部分由FAA批准。

B. 当本节很显著标示出适航限制部分，这说明FAA批准了其影响。

C. 本节应在显著位置包括一份清晰的声明，说明适航限制部分的影响是FAA批准的。

A. Thus, whether the manual be a maintenance manual or a wiring diagram manual for a large airplane or a small airplane, the person wishing information concerning the indicating portion of the fuel system would refer to the Tab Chapter 28, Fuel.

B. Therefore, those hoping to obtain information about the fuel system instructions section of the repair manual or circuit diagram manual for both large and small aircraft may correspond to the label, chapter 28, Fuel.

C. As a result, regardless of the aircraft type (large or small), the person who wants to get display section information of the fuel system in the servicing manual or line diagram manual may search the tag, chapter 28, Fuel.

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. 数据库更新正在等待中。

B. 数据库同步正在进行中。

C. 数据库升级正在按顺序进行。

A. If the indication is not correct, do the test again.

B. If the indication is not incorrect, you should do the next test.

C. Do the test a second time if the indication is correct.

A. 降低氮气压力至120 磅/平方英寸。

B. 减小氮气压力120 磅/平方英尺。

C. 把氮气压力减小120 磅/平方英尺。