执勤期：是指机组成员在接受合格证持有人安排的飞行任务后，从报到时刻开始，到解除任务时刻为止的连续时间段。

我们可通过哪些控制组件设置有效应答机号？With which controls can we set an active transponder code?

判断正误True or False: 在出现风切变警告或按压了任一油门杆上的TOGA（起飞/复飞）电门时，飞行指引仪指令杆自动提供改出指引。Flight director command bars provide escape guidance automatically when a windshear warning occurs or when either TOGA (take-off/go-around) switch on either thrust lever is pressed.

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.

判断正误True or False：除了失速警告外，风切变警告拥有最高的优先级。Windshear warnings take priority over all other alerts and warnings except a stall warning

高度询问是应答机处于（）时的询问回应。altitude request is an interrogation response provided by the transponders in:

判断正误True or False: EICAS上显示的＇WINDSHEAR FAIL＇白色信息指示风切变探测系统出现故障。The ＇WINDSHEAR FAIL＇ white message displayed on EICAS indicates a failure in the windshear detection system.

PFD和MFD何时会显示垂直偏差下滑道刻度？When will the vertical deviation glideslope scale be displayed on the PFD and MFD?

哪个控制面板是用于在PFD和MFD上选择显示ADF的？ Which control panel is used to select the ADF for display on the PFD and MFD?

下列哪种警告拥有最高级别优先权？which of the following warnings has the highest priority?

判断正误True or False: 两部DME天线位于机翼前缘前方的机身底部。Two DME antennas are located on the bottom of the fuselage just forward of the wing leading edge.