改变4200FMS上的起始机场，ACT/MOD FPLN 页会Changing the ORIGIN airport on the 4200 FMS , ACT/MOD FPLN page will:

如果出现可见水气并且外界温度等于或低于冰点，或外界温度高于冰点而上部机翼蒙皮内侧接触到局部达到冰点以下温度的燃油，则在机翼的上表面会积聚透明冰。这里的冰点是指多少？Clear ice could build up on the upper surface of the wings if visible moisture is present and the ambient temperature is at or below freezing point, or at ambient temperatures above freezing point, with subfreezing temperature fuel in contact with the underside of the upper wing skin.What is the freezing point( )

以下关于初始检查中防滞测试描述错误的是（ ）Which description of the followings is wrong for the anti-skid test in the originating check ?

以下关于火警灭火器监控测试描述错误的是（ ）Which description is incorrect for FIRE DETECTION/FIREX MONITOR test?

接通主电瓶电门后，检查在直流电源简图页上显示的最低电压是（ ）伏 After setting BATTERY MASTER switch ON, Check on DC ELECTRICAL page that the minimum voltage is ( )

上座前检查，检查销子应包含的项目有（ ）
About checks prior to taking seat, the items for checking pins include ( )

上座前检查，关于撤离出口检查说法错误的是（ ）
About checks prior to taking seat, which one is incorrect for checking the escape hatch?

安全检查单的目的是确定飞机系统是否处于可以安全的
给飞机汇流条加载（）的形态。The purpose of safety checklist is to determine if aircraft systems are in a configuration to safely apply ( ) to the aircraft buses.

CRJ900正常检查单依据是发动机起动前（）的正常程序。The checklists are based on the normal procedure of （ ） before engine start.

(案例分析)某日某机组接收管制员指令在某点等待，管制员并未告知机组左或右等待，飞机此时正好正切这一点左等待2转弯改出位置，机组随即加入左等待飞三边航迹，请问机组加入等待程序是否正确？简述原因（cases analysis）On a certain day, a crew received a command from the controller to hold over a certain point, and the controller did not inform the crew that it was a left or right holding. At this moment, the aircraft was just tangent to the Exit position of the 2nd turn of the left holding over this point. And the crew then immediately joined the left holding to fly the downwind track. Was the way correct that the crew joined the holding procedure? Brief the reasons.

（案例分析）某日你驾驶CRJ900从库车飞伊宁，天气OK,在06号盲降仪表着陆过程中，在五边盲降截获，自驾接通条件下，进近至场高500英尺时突然遇到一股上升气流，下滑道从中间位置向下移动了1.5个点，此时航道没有偏移，此种情况下应该怎么办？（cases analysis）If one day you fly CRJ900 from Kuche to Yining, the weather is OK. During the ILS approach for RWY 06, the ILS signal is intercepted on final, and the AP is on. An updraft is suddenly encountered when approaching to 500 feet AGL, and the glide path moved downward by 1.5 points from the middle position, while the plane is not off course at this time. What should you do in this case?