出现以下哪些情况时，机长必须中止着陆，执行复飞程序：（ ）. The captain must reject landing
and implement go-around procedures in the following circumstances: ( )
A. 跑道被侵占Runway intruded;
B. 飞机着陆过程中出现跳跃后 After a bouncing up during landing
C. 短跑道机场（跑道长度≤2400 米），湿跑道顺风落地，平
飘超过接地区时For the airport with short runway (runway length ≤2400m), runway is wet and landing with tailwind, the floating is beyond the touchdown zone;
D. 机长认为有必要时When the captain believes it necessary.
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以下那个频率不是国际通用紧急频率？
A. 121.5
B. 2182
C. 243
D. 8360
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主页、状态页、简图页和菜单页通常使用哪个面板上的按钮来选择：The primary page, status page, synoptic pages and the menu page are normally selected using pushbuttons located on the :
A. 源选择面板 source selector panel
B. EICAS控制面板 EICAS control panel
C. 显示控制面板 display control panel
D. 显示转换面板 display reversionary panel
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判断正误True or False：前起落架包括一个减震支柱、一个拖拽支架装置、弹簧、一个锁定作动筒、一个收回作动筒、双轮组件、旋转减慢装置、前轮转弯部件。Nose Landing Gear includes: a shock strut, a drag brace assembly, springs, a lock actuator, a retract actuator, dual wheel assemblies, nosewheel steering components.
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哪些EICAS页面是用来监控防冰排雨保护系统？Which EICAS pages are used to monitor the ice and rain protection system?
A. 主页，ANTI-ICE简图页，AC ELECTRICAL 简图页Primary, ANTI-ICE synoptic, AC ELECTRICAL synoptic
B. 主页，状态页，ANTI-ICE 简图页Primary, status, ANTI-ICE synoptic
C. AC ELECTRICAL简图页，ANTI-ICE简图页AC ELECTRICAL synoptic, ANTI-ICE synoptic
D. ANTI-ICE简图页，ECS简图页，主页，状态页ANTI-ICE synoptic , ECS synoptic, primary, status
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EGPWS方式4A 的边界为500 英尺RA（无线电高度）。当飞机在空速低于（ ）穿越该包线，则GND PROX（近地）灯闪亮并产生语音告警TOO LOW GEAR（太低起落架）。
The boundary for EGPWS Mode 4A is 500 feet radio altitude. If the envelope is penetrated at less than ( ), the GRND PROX lights flash and the TOO LOW GEAR aural alert is generated.
A. 159kts
B. 170kts
C. 190kts
D. 180kts
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节选TAF BECMG 1831 2000 BR BKN040 PROB30 TEMPO 2124 0500 FG PROB30 的意思是
A. 变化小于30 分钟
B. 云底高增加3000FT
C. 可能性为30%
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当燃油不平衡值超过（ ）时，FUEL IMBALANCE 警戒信息会出现。FUEL IMBALANCE caution message appears ifimbalance between wing tanks exceeds ( )
A. 136kg
B. 363kg
C. 起飞阶段136kg，其他阶段363kg。136kg during takeoff，and 363kg during other phase
D. 起飞和进近着陆阶段136kg，其他阶段363kg。136kg during takeoff、approach and landing，363kg during other phase.
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判断正误，即使在机翼前缘和机翼前上表面有少量的霜，冰，雪或雪水，也可能对由失速保护系统提供的失速速度，失速特征以及失速保护产生不利影响，从而可能导致起飞时失去控制。Even small amounts of frost, ice, snow or slush on the wing leading edges and forward upper wing surface may adversely change the stall speeds, stall characteristics and the protection provided by the stall protection system, which may result in loss of control on take-off.
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在卫星云图上，锋面常表现为
A. 较宽的云带，由多层云组成；
B. 狭长的云带，以卷云为主
C. 一连串的涡旋云系，以积状云为主
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