91.Make sure that the stopwatch indication is between 2 and 4 minutes.

A. 　These tests should require no special equipment or facilities rather
than that installed on the aircraft and should be comparable to the tests
performed by the flight crews.

B. 　These tests should require none special equipment or facilities other
than that installed on the aircraft and should be comparable to the tests
performed by the flight crews.

C. 　These tests should require no special equipment or facilities other
than that installed on the aircraft and should be comparable to the tests
performed by the flight crews.

A. 　Make sure that the diameter of the hole is less than the specified value.

B. 　Make sure that the diameter of the hole is more than the specified value.

C. 　Make sure that the radius of the opening is less than the specified
value.

A. 　设置电门每秒钟三个循环

B. 　设置电门每分钟三个循环

C. 　设置电门每三分钟三个循环

A. 　 Measure the time necessary for the silica gel to decrease the moisture.

B. 　 Check the time necessary for the silica gel to increase the moisture.

C. 　 Measure the time necessary for the silica gel to absorb the moisture.

A. 　CHANGE

B. 　CONVERT

C. 　TURN

A. 　基本控制和操作信息,描述如何控制及操作飞机部件,涉及到一些特殊程序
和飞行控制信息适用的限制。

B. 　基本控制和操作信息,描述如何控制及操作飞机部件,涉及到许多特殊程序
和飞机部件适用的限制。

C. 　基本控制和操作信息,描述如何控制及操作飞机部件,涉及到所有特殊程序
和飞机部件适用的限制。

A. 　封面标题和适用的飞机名称应显著地显示在手册的封面或书脊(或两者)上。

B. 　封面标题和适用的飞机名称应着重地显示在手册的封面或书脊(或两者)上。

C. 　覆盖的标题和使用的飞机设计应突出的显示在手册封面或书脊(或两者)上。

A. 　GOES

B. 　LEAVES

C. 　GETS

A. 　任何突发情况都通过情况报告系统报告给 ABC,以便在必要时对 CAP 进行补
充和/或修改。

B. 　为了在必要处对 CAP 进行补充和/或修改,任何情况都需通过情况报告系统报
告给 ABC

C. 　任何异常情况都通过情况报告系统报告给 ABC,以便在必要时对 CAP 进行补
充和/或修改。

A. 　BREATHE

B. 　RESPIRE\NGET INTO