严重危害飞行安全的冰雹，通常与下列何种云有联系＿＿

A. 使驾驶舱扩音器被禁用disable the operation of the flight compartment speaker

B. 发布一个应急音谐给乘务人员Annunciate an emergency tone to the flight attendants

C. 旁通ACP通过一个VHF无线电进行发送和接收Bypass the ACP for transmit and receive control of a VHF radio

D. 发送一个紧急信号给空管Send an emergency signal to air traffic control

A. 飞行控制面板（FCP） flight control panel (FCP)

B. 无线电调谐组件（RTU）radio tuning unit (RTU)

C. 源选择面板 source selector panel

D. 控制显示组件（CDU） control display unit (CDU)

A. 350

B. 200

C. 400

A. 1600

B. 800

C. 2000

D. 400

A. 琥珀色弧从0% to 60% RPM 。An amber arc from 0% to 60% RPM.

B. 白色弧从0% to 77% RPM 。An white arc from 0% to 77% RPM.

C. 保持绿色。Remain green.

D. 短暂保持绿色然后完全转成琥珀色。Remain green momentarily then turn completely amber.

A. 爬升或下降到较暖的空气层Climb or descend to warmer air level;

B. 改航至较暖的气团Divert to warmer air mass;

C. 增大马赫数Increase Mach number.

D. 减小马赫数Decrease Mach number.

A. APR 非指令激活Indicates an uncommanded APR activation.

B. b)        表明超速测试失效或者多种可能影响发动机飞行性能的故障组合Indicates overspeed test failed or a combination of faults that may affect engine in−flight performance.

C. FADEC 已经探测到一个可能会导致发动机推力降低和受限制响应的故障。Indicates that FADEC detected a combination of faults that may result in reduced engine control authority.

D. 相对应的发动机的 FADEC 过热Indicates an overheat condition of respective FADEC.