襟翼20的Vfe是：Vfe for flaps 20 is:

当机场区域遇有雷雨，且雷雨处于前锋向机场移动、趋于覆盖机场，当雷雨前锋进入机场进离场航路或机场区域( )公里时，建议机组不在该机场起降。

A. 20

B. 30

C. 40

显示窗口的一条状态信息和一个绿色指示确认勤务舱门已经关闭A status message and a green indication in the indicator window confirm that the service door is closed.

A. 是Yes

B. 否No

如果出现ED故障，哪个控制面板允许EICAS信息显示到其他显示屏上？In the event of an ED failure, which control panels allow EICAS information to be shown on other displays?

A. 显示转换控制面板，源选择面板reversionary control panels, source selector panel

B. 源选择面板，大气数据基准面板source selector panel, air data reference panel

C. 显示转换控制面板，音响控制面板reversionary control panels, audio control panel

D. EICAS控制面板，音响警告面板EICAS control panel, AUDIO WARNING panel

接地仰角小蓝色事件为接地仰角小于（）

A. 0°

B. 0.5°

C. 1°

D. 1.5°

液压系统的正常工作压力是（ ）。The normal operating pressure of hydraulic systems is（ ）.

A. 1800psi

B. 2800psi

C. 3000psi

D. 2800~3200psi

飞行机组人员必须利用驾驶舱内一切可用信息，来确定飞行临界航迹控制。这种确定带有主观意志并根据飞行员对状态的判断而定。作为指南，临界飞行轨迹控制通常可由失控的，超过正常稳定飞行状态下的参数变化来指示，以下哪些参数变化可作为遭遇风切变的指示？（ ）Flight crew must use all available information in cockpit to determine critical flight path control. This determination is subjective and made based on pilots＇ judgment on status. As a guidance, critical flight path control is usually indicated by parameter changes which are uncontrollable and beyond normal stable flight status. Which of the followings can be the indications when encountering windshear?

A. 15KIAS

B. 500英尺/分钟垂直速度 500 feet/minute (VS)

C. 5°俯仰姿态 5° pitch attitude

D. 与下滑道偏差1个点 1 dot deviation from the glide slope

( )个再循环风扇循环的空气连接到分配总管。Air is recirculated by（ ） recirculation fans connected to the distribution manifold.

A. 1.0

B. 2.0

C. 3.0

D. 4.0

所有的雷暴都可能隐藏有危害性的湍流，较严重的湍流可能会对飞机造成损害。即使没有冰击雹击电击，建议也不要在雷暴的砧状云下方飞过。请问为什么？

A. 该处存在严重的晴空颠簸

B. 该处有风切变

判断正误True or False: 多功能扰流板协助副翼转弯协调,并具有地面减升功能。 The MFS assist the ailerons for turn coordination and are also used in the GLD function.

如果进入了下击暴流，飞机将在何处遇到最强的下降气流＿＿

A. 飞出下击暴流时

B. 刚进入下击暴流时

C. 下击暴流的中心