关于风切变出现的地方，下述说法正确的是

（WS WRNG MBST IN APCH RWY27 =）电报描述的危险天气是

A. 低空风切变

B. 微下击暴流

C. 飞机颠簸

CABIN ALT座舱高度警戒信息在座舱高度大于或等于( )时显示。The CABIN ALT caution message will be shown when the cabin altitude greater than or equal to（ ）.

A. 8,000 feet

B. 8,500 feet

C. 10,000 ft

D. 14,000ft

自动模式转换到半坡度发生在（ ）英尺？The automatic mode transition to Half Bank will occur at（ ）feet

A. 31600

B. 27400

C. 29350

D. 32200

通常情况下复飞程序中的复飞梯度是

A. 3.30%

B. 2.50%

C. 2%

(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.

飞机机动时，出现异常俯角，红色＇V＇型符号会指向什么方向：Red chevrons appear during maneuvers of extreme pitch attitude. The chevrons always point to

A. 改出方向 Zero degree position

B. 俯角方向 Pitch position

C. 北方 the North

D. 南方 the South

机组逃生口：The crew escape hatch?

A. 可从内侧和外侧打开。Can be opened from the inside and outside

B. 仅可从内侧打开。Can only be opened from the inside

C. 仅可从外侧打开。Can only be opened from the outside

D. 液压操作的。Is hydraulically operated

白天有平流雾移到沿海机场上，什么原因会促使平流雾消散或抬升而形成很低的层状云

A. 地表辐射；

B. 下垫面干燥；

C. 地面风大于或等于8 米／秒

（案例分析）2004年11月21日早上7时45分，内蒙古包头二里半机场（现已经改名包头东河机场），一架隶属于某航云南分公司的庞巴迪CRJ-200型支线客机，准备执飞从包头前往上海虹桥的航班。机上当时一共有3名机组成员、2名空乘、1名安全员和47名乘客。当日包头当地天气处在霜冻期，机场晴空无云，静风天气，能见度3-6公里，天气现象为霾，该机场的停场过程中天气符合结霜条件。而此客机在21号起飞前就在包头机场停场了一夜。该机于起飞后19秒坠毁，机上的53人全部遇难，无一生还，另外还造成2名群众遇难。使得这起一等飞行事故造成的遇难人数达到55人。事故调查过程中，云南公司派驻包头机场放行该次航班的地面人员反映：“2004年11月21日早晨，机务人员对飞机实施例行的外部检查时，用手触摸机翼，发现机翼上有水汽。”但飞机从早晨的例行检查至起飞这两三个小时内没有对飞机再进行过任何外部检查，更没有进行除冰作业。请分析该案例中导致事故发生的原因，作为飞行员你从中得到哪些启示？(Case analysis) On Dec.21, 2004, at 7:45 in Baotou Airport( Donghe airport), a Bombardier CRJ-200 regional jetbelonging to the Yunnan Branch of One Airline was ready to operate Flight from Baotou to Shanghai Hongqiao.There were three crew members, two flight attendants, a security officer and 47 passengers on board.On that day, the local weather in Baotou was in the frost period. The airport was clear and cloudless with calm wind and visibility of 3-6km. The weather phenomenon was haze. the weather in the airport meets the condition for frost accumulation when aircraft parking in this airport. And the aircraft stopped overnight at Baotou Airport just before take-off on 21. The plane crashed 19 seconds after takeoff, killing all 53 people on board and two others, bringing the death toll from the first class air crash to 55.During the investigation of the accident, the ground staff assigned by Yunnan Branch who released the flight at Baotou Airport reported: On the morning of November 21, 2004, when the aircraft was carrying out routine external inspection, the flight crew touched the wing with their hands and found water vapor on the wing."But there were no additional external inspections or deicing operations in the two to three hours from the morning routine inspection to takeoff. Please analyze the causes of the accident in this case. What lessons did you learn as a pilot?

为了达到下一个高度限制，推荐的垂直速度显示为：the recommended vertical speed required to reach the next altitude constraint is displayed as:

A. 一个小雪花 a snow flake

B. 垂直速度表上的一个参考游标 a bug on the vertical speed scale

C. 一个偏差刻度 a deviation scale

D. A和C