如果两个液压系统失效，计划（ ）度襟翼落地。If two hydraulic systems failed, plan to land with FLAPS （ ）.

判断正误True or False: 如果NAV SOURCE不是白源（FMS）， 或选择DME HOLD时， 甚高频导航接收器自动调谐无效。AUTO tuning of the VHF navigation receiver is not available if the NAV SOURCE is not FMS or DME HOLD has been selected.

飞机在地面上，地面活门在什么时候被命令打开：with the aircraft on ground, the ground valve is commanded open when the:

A. 客舱门或勤务门被打开 passenger door or service door is open

B. 电子设备舱打开 avionics bay door is open

C. 客舱门或勤务门关闭 passenger door or service door is closed

D. 电子舱门关闭 avionics bay door is closed

判断正误true or false
当外部手柄被完全推入至连接门栓，乘客舱门会被锁上The passenger door can be locked when the outer handle is pushed fully into its recess to engage the latches.

对于初次颁发的 II 类仪表运行许可，只准许 RVR 不低于＿＿米的 II 类运行？

A. 350

B. 450

C. 500

航空器夜间滑行（牵引）时，必须；
打开航行灯和滑行灯，用慢速滑行

A. 在引导车引导下滑行

B. 用慢车速度滑行

C. 打开手提探照灯滑行

冻雨是怎么形成的

A. 雨滴穿过零度以下的大气层

B. 雨滴穿过零度以上的大气层

C. 雪粒穿过零度一下的大气层

自动性能储备系统（APR）的作用是什么？What is the purpose of the Automatic Performance Reserve System (APR)?

A. 当预位时，自驾接通的情况下它提供增加的推力。When armed, it provides increased thrust when autopilot is engaged.

B. 当预位时，起飞过程中如果一发失效它提供增加的推力。When armed, it provides increased thrust during takeoff if an engine failure occurs.

C. 当电门选到OFF，APR防止发动机超速。When switch is selected to OFF the APR prevents engine over-speed.

D. 当预位时，它监控N2性能。When armed, it monitors N2 performance.

（案例分析）2017年9月3日，某机组驾驶飞机执行扎兰屯-海拉尔航班，在海拉尔最后进近阶段副驾驶接到管制指令的同时，机长下达指令“打铃，放轮，襟翼30”，副驾驶接到机长指令“打铃，放轮，襟翼30”后，由于疏忽，在场高1748ft选择45°襟翼，但未放下起落架手柄，机组发现起落架未放下后复飞。二次进近正常落地。请问机组可能存在哪些问题？(Case Analysis) On September 3, 2017, a certain crew flew the aircraft to carry out the Zhalantun-Hailar flight. At the same time as the copilot received the control instruction during the final approach phase of Hailar, the captain gave the instruction "Ring, gear down, and flaps 30”, after receiving the command from the captain “Ring, gear down, and flaps 30”, the copilot, due to negligence, selected the flaps 45° at 1748ft AGL, but the landing gear lever was not selected down. The flight crew found the abnormal situation of landing gear and excuted a missed approach. The second approach was made and ended with a normal landing. What possible problems may exist shown by the flight crew?

起动APU前须先进行火警灭火器监控测试。The FIRE DETECTION/FIREX MONITOR test shall be completed before starting APU.

判断正误True or False：机组氧气面罩上的PRESS TO TEST AND RESET（按下以测试和重置）可用于停止输送给机组的氧气流。The PRESS TO TEST AND RESET lever on the crew mask can be used to stop oxygen flow to the crew.