A、 直流电瓶汇流条，主电瓶直接汇流条，勤务汇流条 DC BATT BUS, MAIN BATT DIR BUS, SERV BUS
B、 直流重要汇流条，直流应急汇流条DC ESS BUS, DC EMER BUS
C、 直流应急汇流条，APU电瓶直接汇流条，主电瓶直接汇流条 DC EMER BUS, APU BATT DIR BUS, MAIN BATT DIR BUS
D、 直流勤务汇流条，直流应急汇流条DC SERV BUS, DC EMER BUS
答案：C
A、 直流电瓶汇流条，主电瓶直接汇流条，勤务汇流条 DC BATT BUS, MAIN BATT DIR BUS, SERV BUS
B、 直流重要汇流条，直流应急汇流条DC ESS BUS, DC EMER BUS
C、 直流应急汇流条，APU电瓶直接汇流条，主电瓶直接汇流条 DC EMER BUS, APU BATT DIR BUS, MAIN BATT DIR BUS
D、 直流勤务汇流条，直流应急汇流条DC SERV BUS, DC EMER BUS
答案：C
A. 只对驾驶舱提供空调气 conditioned air to the flight deck only
B. 对驾驶舱和客舱提供空调气 conditioned air to the flight deck and passenger cabin
C. 只对客舱提供循环空气 recirculated air to the passenger cabin only
D. 只对驾驶舱提供循环空气 recirculated air to the flight deck only
A. 隔离活门被关闭 the isolation valve is closed
B. 压力调节和关断活门打开 the pressure regulating and shutoff valves are open
C. 无防冰系统工作 no anti-icing systems are operating
D. 引气源电门选到APU the BLEED SOURCE switch is selected to the APU
A. 8,10
B. 10,12
C. 12,14
A. 灰白色
B. 灰色
C. 浓白色
A. 15
B. 20
C. 25
A. 副翼配平不在起飞范围之内(配平＞ ±1 度) 且两台发动机 ＞70% N1。Aileron trim is outside of the takeoff range (trim ＞ ±1 degree) and both engines ＞70% N1.
B. 自动驾驶仪接通，飞机为起飞构型且两台发动机＞70% N1。Autopilot is engaged with the aircraft configured for takeoff and both engines ＞70% N1.
C. 襟翼不在起飞位置，飞机为起飞构型。Flaps are not in a takeoff position with the aircraft configured for takeoff.
D. 方向舵配平不在起飞范围之内。Rudder trim is outside of the takeoff range.
A. 高空风及温度预报图；
B. 相应高度的等压面图；
C. 卫星云图
A. 滚轴状云底
B. 云中充满上升气流
C. 频繁的闪电
