【单选题】
在北半球离地8000m上空飞行时，如果航线上是逆风，则高压区在航线的___。
A. 右前方
B. 左后方
C. 左侧
D. 右侧
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相关试题
【单选题】
在___高度上飞行常遇到高云和积雨云。
A. 7000m
B. 对流层顶以下
C. 10000m
D. 对流层顶以上
【单选题】
最容易产生航空器积冰的降水形态是___。
【单选题】
北半球近地面层，由于大气环流作用而形成的气压带是赤道低压带、___、副极地低压带、极地高压带。
A. 温带气旋带
B. 副热带高压带
C. 热带风暴带
D. 副热带低压带
【单选题】
在北半球的___，天气系统一般是自西向东移动的。
A. 极地地区
B. 温带地区
C. 热带地区
D. 赤道附近
【单选题】
在北半球与低压区有关的空气环流是___。
A. 向内、向下和沿反时针方向
B. 向外、向上和沿顺时针方向
C. 向外、向下和沿顺时针方向
D. 向内、向上和沿反时针方向
【单选题】
冷暖气团间温差最大的区域是___。
A. 槽线附近
B. 锋线附近
C. 切变线附近
D. 飑线附近
【单选题】
当跑道能见度低于___时进行RVR观测。
A. 1500m
B. 1000m
C. 800m
D. 550m
【单选题】
雷暴中有下冲气流的目视征兆是___。
A. 有降水和地空闪电
B. 有浓积云相伴随
C. 有滚轴状云或雨幡
D. 有砧状云顶
【单选题】
如果报告航路上有大到暴雨发生，那么可以断定航路上有___云存在。
【单选题】
领航上，天黑时刻是指___。
A. 太阳上部边缘降到地平线的瞬间
B. 太阳上部边缘降到地平线下15°的瞬间
C. 太阳中心降到地平线的瞬间
D. 太阳中心降到地平线下7°的瞬间
【单选题】
世界协调时是指___。
A. 英国伦敦的地方时
B. 西二区的时区时
C. 12时区的时区时
D. 零时区的时区时
【单选题】
在高原机场起降时，航空器的高度用___表示。
A. 场压高度
B. 修正海压高度
C. 零点高度
D. 真高
【单选题】
飞行高度层（FL）的基准面为___。
A. 机场平面
B. 平均海平面
C. 1013.2hpa气压面
D. 修正海平面气压面
【单选题】
马赫数（M数）是___。
A. 表速与音速之比
B. 表真速与音速之比
C. 飞行高度上的真空速与音速之比
D. 飞行高度上的真空速与海平面的音速之比
【单选题】
测距仪DME的用途是___。
A. 测量飞机到测距台的距离
B. 测量飞机到测距台的斜距
C. 测量飞机到跑道入口的距离
D. 测量飞机到着陆点的距离
【单选题】
VOR电台通过___进行识别。
A. 1字莫尔斯代码
B. 2字莫尔斯代码
C. 3字莫尔斯代码
D. 4字莫尔斯代码
【单选题】
仪表着陆系统（ILS）的地面设备主要由___构成。
A. 导航台、下滑台、指点标台
B. 导航台、航向台、下滑台
C. 导航台、全向信标台、测距台
D. 航向台、下滑台、指点标
【单选题】
航空器进近过决断高度后，用PAPI判断航空器下滑状态，___。
A. 飞行员看见二红二白灯表示在下滑道上，三红一白航空器低于下滑道
B. 飞行员看见三个白灯表示在下滑道上，三红一白航空器高于下滑道
C. 飞行员看见二红二白灯表示在下滑道上，三红一白航空器高于下滑道
D. 飞行员看见三个红灯表示在下滑道上，三红一白航空器高于下滑道
【单选题】
卫星导航中，接收机给出的航空器位置是___。
A. X，Y，Z坐标
B. 经度、纬度、高度
C. 方位、距离
D. 距离、仰角
【单选题】
长波、中波的传播是___传播方式为主。
A. 天波
B. 地波
C. 直射波
D. 地面反射波
【单选题】
短波传播是以___传播方式为主。
A. 天波
B. 地波
C. 直射波
D. 地面反射波
【单选题】
超短波传播是以___传播方式为主。
A. 天波
B. 地波
C. 直射波
D. 地面反射波
【单选题】
航向信标工作在___波段。
A. HF
B. VHF
C. UHF
D. SHF
【单选题】
飞机在协调转弯时，需要配合使用___。
A. 副翼和升降舵
B. 垂直尾翼和方向舵
C. 方向舵和升降舵
D. 方向舵和副翼
【单选题】
飞机失速的根本原因在于___。
A. 飞行速度过小
B. 遭遇阵风干扰
C. 飞行速度过大
D. 飞机迎角超过临界迎角
【单选题】
飞机的重量越大，则对应的失速速度就___。
A. 越小
B. 越大
C. 不变
D. 不能确定
【单选题】
民用运输机旅客氧气系统自动启动时的座舱高度为___。
A. 10000ft
B. 20000ft
C. 8000ft
D. 14000ft
【单选题】
采用化学氧气发生器的旅客氧气系统启动后，供氧时间一般为___。
A. 数小时
B. 40分钟～1小时
C. 10～15分钟
D. 3～5分钟
【单选题】
飞机在平飞中遇到一发失效时，应将速度调整到___来越障。
A. 最大速度
B. 经济巡航速度
C. 有利速度
D. 远程巡航速度
【单选题】
发动机结冰后不可能出现的情况是___。
A. 推力增加
B. 发动机喘振
C. 发动机停车
D. 风扇叶片损坏
【单选题】
对大型民航班机，我国冬季最应注意结冰的飞行阶段是___。
A. 着陆
B. 爬升
C. 巡航
D. 以上都不对
【单选题】
根据人体热舒适状态的要求，飞机座舱空调温度范围是___。
A. 17°C至24°C
B. 33°C至34°C
C. 10°C至12°C
D. 25°C至30°C
【单选题】
一般来说增压飞机飞行的座舱高度不应超过___m。
A. 400
B. 3000
C. 2400
D. 3500
【单选题】
飞机气密座舱空调系统的基本组成是___。
A. 气源、增压两个部分
B. 气源、温度调节两个部分
C. 气源、温度调节和增压三个部分
D. 温度调节、引气制冷两个部分
【单选题】
国际上统一规定的航行灯的安装位置和颜色是___。
A. 左红、右绿、尾白
B. 左白、右绿、尾红
C. 右红、左率、尾白
D. 左红、尾绿、右白
【单选题】
彩色气象雷达在接收强雷雨信号时显示___。
【单选题】
通常所说的黑匣子是指___。
A. 飞行数据记录器和驾驶舱话音记录器
B. 飞行数据记录器
C. 驾驶舱话音记录器
D. 以上都不对
【单选题】
航路图中的磁差用___表示。
A. 磁差值
B. 等磁差线
C. 箭头符号
D. 文字说明
【单选题】
《中华人民共和国航行资料汇编》的页码校核单的发布周期是___。
A. 1年
B. 28天
C. 56天
D. 3个月
【单选题】
航行通告栏内航行通告的用语应当使用___。
A. 简语
B. 电报用语
C. 暗语
D. 明语
推荐试题
【单选题】
Q2: What is the woman going to do this weekend?___
A. To go sailing .
B. To go surfing .
C. To go to the beach .
D. To go to her nephew's .
【单选题】
Q3: What does the woman love doing?___
A. Going to visit relatives.
B. Enjoying the warm sun on the beach .
C. Building sand castles with her niece and nephew .
D. Playing in the sand and jumping in the waves .
【单选题】
Q4: What does the man remember doing with his brothers?___
A. Surfing in the sea .
B. Collecting seashells .
C. Building sand castles .
D. Jumping in the waves .
【单选题】
Q1: According to the survey, what percentage of British adults watched TV in theirfree time?___
A. 89 percent .
B. 84 percent .
C. 76 percent .
D. 71 percent .
【单选题】
Q2: Which age group would be the most likely to visit their friends and relatives?___
A. People aged 16 to 24
B. People aged 25 to 34 .
C. People aged 16 and over .
D. People aged 55 and over .
【单选题】
Q3: What does the speaker say about listening to music as a leisure activity for British people?___
A. People aged 16 to 24 preferred listening to music most .
B. It was getting more and more popular among the British people .
C. It was the third most popular activity among people aged 55 and over .
D. People aged 25 to 34 listened to music more often than those aged 16 to 24 .
【单选题】
Q4: According to the survey, how are leisure activities related to age?___
A. Older people go out to pubs more often . frequently .
B. Younger people go to the cinema less frequently.
C. Older people spend more time reading and gardening .
D. Younger people spend less time visiting friends and family .
【单选题】
Q1: Why was the girl excited?___
A. She is going to have a lot of vanilla ice cream .
B. She won the spelling competition at her school .
C. She is going to the state capital for a competition .
D. She "excellence"correctly,but others didn't .
【单选题】
Q2: What happened when the man was 13 years old?___
A. His family moved to Sacramento to settle down .
B. His family bought him a new suit and a new tie .
C. He went to Sacramento for a spelling competition .
D. He won the first prize in the state spelling competition .
【单选题】
Q3: Why did the man’s mom give him a big hug?___
A. To make him feel better after he lost the first prize .
B. To apologize for not buying him some ice cream .
C. To wish him good luck in the next competition .
D. To congratulate him on winning the first prize .
【单选题】
Q4: What color is the girl going to wear for her next competition?___
A. Red .
B. Blue .
C. Green .
D. Yellow .
【单选题】
Q1: What is this passage mainly about?___
A. Superstitions and science .
B. Tips on how to have good luck .
C. Superstitions in the United States .
D. Rational and superstitious societies .
【单选题】
Q2: According to the passage, what is considered as bad luck?___
A. Walking under a ladder .
B. Dreaming of a black cat .
C. Hanging a mirror in the house .
D. Stepping on one's own shadow .
【单选题】
Q3: Why is it considered bad luck to see a black cat crossing one’s path?___
A. Because black cats look like witches . e witches .
B. Because black cats were thought to be witches .
C. Because black cats bring seven years of bad luck .
D. Because black cats are hard to notice in darkness .
【单选题】
Q4: According to the passage, what will bring people good luck?___
A. Breaking a mirror on purpose .
B. Catching a falling leaf on one's birthday .
C. Finding a on the ground and picking it up .
D. Dreaming of blowing out the candles in one blow .
【单选题】
Q1: How long will the woman spend on her way to and from work by high-speed train?___
A. 4 hours .
B. 2 hours .
C. 1.5 hours .
D. 45 minutes .
【单选题】
Q2: When does the woman arrive back home by subway?___
A. At 8 .
B. At 7 .
C. At 6 .
D. At 5 .
【单选题】
Q3: According to the woman, in what way will the new high-speed train be a big help to her?___
A. She can either read or rest a little on the train .
B. She can read and respond to emails onthe train .
C. She can travel to many different parts of the city .
D. She can go shopping on her way home from work .
【单选题】
Q4: How will the new high-speed train affect the man?___
A. He can take the train to the old part of the city .
B. He can save a lot of money when he takes the train .
C. He can save 20 minutes to go to work with the train .
D. He can take the train to the airport instead of driving .
【单选题】
Q1: How much time on average do Americans spend on their way to work?___
A. About an hour .
B. More than an hour .
C. About half an hour .
D. More than one and a half hours .
【单选题】
Q2: What is the present situation about Americans’ commuting to work?___
A. More and more Americans spend over an hour getting to work .
B. Over 10 percent of Americans spend less than an hour getting to work .
C. Only New York people spend more than 90 minutes getting to work .
D. Over 10 percent of Americans spend more than 90 minutes getting to work .
【单选题】
Q3: Why does Steven choose to have an extreme commute?___
A. Because gas prices are not high .
B. Because the commute is not tiring .
C. Because he can attend a better school .
D. Because he can have his favorite lifestyle .
【单选题】
Q4: Which of the following is the disadvantage of long commutes?___
A. Traffic jams .
B. Expensive housing .
C. Poorer life quality .
D. A tiring and boring trip .
【单选题】
Q1: What did Katy like about Jason’s last Halloween party?___
A. She liked playing an interesting game .
B. She enjoyed seeing many of her old friends .
C. She enjoyed wearing her Halloween costume .
D. She liked the decorations in Jason's front yard .
【单选题】
Q2: What is the actual reason that Katy doesn’t want to attend Jason’s party?___
A. None of her friends likes Jason .
B. None of Jason's guests is young .
C. She wants to go to Linda's party ..
D. She went to Jason's party last year .
【单选题】
Q3: What is special about Linda’s party?___
A. The party will last four hours .
B. Six people will attend the party .
C. They will have huge bags of candy .
D. They will play a new game called "GuessWho ".
【单选题】
Q4: What will Katy do to solve her problem?___
A. Go to Jason's party .
B. Go to Linda's party .
C. Attend both Jason's and Linda's parties .
D. Celebrate Halloween with her parents .
【单选题】
Q1: What is special about this year’s Black Friday shopping?___
A. Some stores offered bigger holiday discounts .
B. Some stores provided more choices of nightlife.
C. Some stores made efforts to attract young people .
D. Some stores opened much earlier than they used to .
【单选题】
Q2: Why did some stores open at midnight on Thanksgiving night?___
A. To attract young customers .
B. To beat other stores for sale.
C. To let people sleep late the next day .
D. To keep people stay up for the night .
【单选题】
Q3: How many Black Friday shoppers were reported to go to the shops at midnight this year?___
A. 24 percent .
B. 37 percent .
C. 9.5 percent .
D. 23.5 percent .
【单选题】
Q4: What can we learn about the 15-year-old Jenny?___
A. She and her cousins went back home at midnight .
B. She liked the traditional 4 a.m. Black Friday.
C. She preferred midnight shopping to early morning shopping .
D. She and her cousins got up very early to buy discounted items .
【单选题】
Q1: Why did the woman decide to do a triathlon?___
A. Because she did it in college .
B. Because she wanted to be tough .
C. Because her sister did it and liked it .
D. Because her sister said it was good for her .
【单选题】
Q2: When did the man first do a triathlon?___
A. Last year .
B. In college .
C. Last week .
D. In high school .
【单选题】
Q3: How does the man feel about running?___
A. Boring.
B. Scaring .
C. Exciting .
D. Interesting .
【单选题】
Q4: Why doesn’t the woman like swimming in the triathlon?___
A. Because she fears that a big fish might eat her .
B. Because she fears that she would get lost in lakes .
C. Because she doesn't want to scare away small fishes .
D. Because she doesn't like swimming with many people .
【单选题】
Q1: What is the ratio of positive to negative emotions that can make a person happier?___
A. 1:3.
B. 3 :1.
C. 1 :10 .
D. 10 :1.
【单选题】
Q2: What is the most exciting finding about increasing positive emotions?___
A. It improves relationships .
B. It leads to greater success .
C. It helps develop creativity .
D. It contributes to good health .
【单选题】
Q3: What does the speaker say about negative feelings?___
A. People should turn every negative feeling around .
B. Negative feelings can sometimes have positive effects .
C. Negative feelings often cause people to make mistakes .
D. People should never show negative feelings in public places .
【单选题】
Q4: What is the main idea of the passage?___
A. People should learn to manage their emotions .
B. People should be patient with their negative feelings .
C. People should learn to analyze causes of unhappiness .
D. People should identify as many positive feelings as possible .
【单选题】
Q1: What are the man and woman talking about?___
A. Whether nature is magical and kind .
B. Whether nature is powerful and full of risks .
C. Whether Christopher was well prepared for the trip .
D. Whether Christopher's trip to Alaska was worthwhile .
