相关试题
【填空题】
48.___由蓄水大坝,水电站厂房,通航建筑物船闸及升船机等主要建筑物组成。
【填空题】
49.利用潮水涨落产生的水位差所具有的势能来发电的方法是___。
【填空题】
50.___基础是指桩,墩,沉井,沉箱和地下连续墙等基础。
【填空题】
51.按桩的施工方法,桩分为___和___两类。
【填空题】
52.即可用作深基坑的支护结构,又可作为深基坑的支护和建筑物地下室外墙的是___。
【填空题】
53.砌筑用脚手架是砌筑过程中堆放材料和工人进行操作的___。
【填空题】
54.混凝土浇筑包括___和___两个过程。
【填空题】
55.无粘结预应力混凝土结构在张拉后容许预应力筋对周围混凝土发生___滑动。
【填空题】
56.斜拉桥是新型的桥梁形式,这种形式大桥的主桥分为___和___两大部分。
【填空题】
57.___和___是国际通行的工程建设项目组织实施方式。
【填空题】
58.BIM 中的图形是赋予了___属性的实体。
【填空题】
59.BIM 是指建筑物在设计和建造过程中,创建和使用的“___”。
【单选题】
The word "wag" (Line 1, Para.1) most probably means _________.
A. move
B. shake
C. bite
D. play
【单选题】
The video cameras were used to catch the dogs' responses because ___________.
A. the dogs were put in the wooden boxes
and tested one at a time
B. it was easier to catch the dogs’s response changes in the tail wagging
C. they enabled the dogs’owners to know
about their dogs’; habit
D. the dogs wagged their tails in different
directions when they were in different
moods
【单选题】
When there are no stimuli, a dog will ___________.___
A. wag to the right
B. no wag at all
C. wag to the left
D. wag to the left and then wag to the right
【单选题】
The purpose of doing the experiment is _________.___
A. to train dogs for their owners
B. to help dogs find companion
C. to help people choose their pet dogs
D. to help people judge the mood of dogs
【单选题】
The underlined word "they" in the last sentence refers to __________.___
A. the trainers
B. the systems
C. the researchers
D. the dogs
【单选题】
The new law passed in Rome will ________.___
A. help improve fishing environment
B. stop people from catching goldfish
C. guarantee better conditions for goldfish
D. discourage keeping goldfish at home
【单选题】
People in Rome believe that the civilization of a city can be judged by _________.___
A. awareness of animal protection
B. exchanges with other cities
C. protection of ancient ruins
D. recognition of animal lovers
【单选题】
The underlined word "compassion" in Para 2 is the closest in meaning to __________.___
A. support
B. pity
C. help
D. love
【单选题】
People may break the law in Turin if they ________.___
A. keep their dogs or cats in cars
B. shut their dogs home all day long
C. raise their cats near ancient ruins
D. feed homeless animals in car parks
【单选题】
We can infer from the passage that _________.___
A. the owners can leave their dogs in hot cars
B. the cat only lives in modern life
C. the new law can prevent cruelty to animals
D. the new law gives recognition to the
people who feed homeless cat
【单选题】
If a person finds getting up early a problem, most probably ________.___
A. he is a lazy person
B. he refuses to follow his own energy cycle
C. he is not sure when his energy is low
D. he is at his peak in the afternoon or evening
【单选题】
Which of the following may lead to family quarrels according to the passage?___
A. Unawareness of energy cycles.
B. Familiar monologues.
C. A change in a family member's energy cycle.
D. Attempts to control the energy cycle of other family members.
【单选题】
If one wants to work efficiently at his low point in the morning, he should __________.___
A. change his energy cycle
B. overcome his laziness
C. get up earlier than usual
D. go to bed earlier
【单选题】
You are advised to rise with a yawn and stretch because it will __________.___
A. help to keep your energy for the day's work
B. help you to control your temper early in the day
C. enable you to concentrate on your routine work
D. keep your energy cycle under control all day
【单选题】
Which of the following statements is NOT true?___
A. Getting off to work with a minimum effort helps save one's energy.
B. Dr. Kletman explains why people reach their peaks at different hours of day.
C. Habit helps a person adapt to his own energy cycle.
D. Children have energy cycles, too.
【单选题】
An effective way to prevent the burnout of young athletes is __________.___
A. to increase their sense of success
B. to make sports less competitive
C. to reduce their mental stress
D. to make sports more challenging
【单选题】
According to the passage sport is positive for young people in that __________.___
A. it can help them learn more about society
B. it enables them to find flaws in themselves
C. it teaches them how to set realistic goals for themselves
D. it can provide them with valuable experiences
【单选题】
Many coaches and parents are in the habit of criticizing young athletes __________.___
A. without realizing criticism may destroy their self-confidence
B. in order to make them remember life's lessons
C. believing that criticism is beneficial for their early development
D. so as to put more pressure on them
【单选题】
According to the passage parents and coaches should __________.___
A. help children to win every game
B. pay more attention to letting children enjoy sports
C. train children to cope with stress
D. enable children to understand the positive aspect of sports
【单选题】
The author's purpose in writing the passage is _________.___
A. to persuade young children not to worry about criticism
B. to stress the importance of positive reinforcement to children
C. to discuss the skill of combining criticism with encouragement
D. to teach young athletes how to avoid burnout
【单选题】
As pointed out at the beginning of the passage, people used to think that air pollution _______.___
A. cause widespread damage in the countryside
B. affected the entire eastern half of the United States
C. had damaged effect on health
D. existed merely in urban and industries areas
【单选题】
As to the greenhouse effect, the author ________.___
A. share the same view with the scientist
B. is uncertain of its occurrence
C. rejects it as being ungrounded
D. thinks that it will destroy the world soon
【单选题】
The underlined word "offset" in the second paragraph could be replaced by _________.___
A. slip into
B. make up for
C. set up
D. catch up with
【单选题】
It can be concluded that ____________.___
A. raising the world's temperature only a few degrees would not do much harm to life on earth
B. lowering the world's temperature merely a few degrees would lead major farming areas to disaster
C. almost no temperature variations have occurred over the past decade
D. the world's temperature will remain constant in the years to come
【单选题】
This passage is primarily about __________.___
A. the greenhouse effect
B. the burning of fossil fuels
C. the potential effect of air pollution
D. the likelihood of a new ice age
【单选题】
What is the major function of paragraph 1?___
A. To arouse the reader's concern.
B. To introduce the theme of the whole passage.
C. To summarize the whole passage.
D. To state the primary uses of TV.
【单选题】
Television, as a source of entertainment, is ________.___
A. not very convenient
B. very expensive
C. quite dangerous
D. relatively cheap
【单选题】
Why are some people against TV?___
A. Because TV programs are not interesting.
B. Because TV viewers are totally passive.
C. Because TV prices are very high.
D. Because TV has both advantages and disadvantages.
推荐试题
【单选题】
区域温度控制器通道1和2都失效时,组件释放的固定温度为___
【单选题】
电子设备通风系统向什么区域提供冷却空气___
A. 电子仪表,驾驶舱仪表和跳开关面板
B. 电子仪表舱,驾驶舱仪表和CIDS面板
C. 电子设备舱内的电气及电子附件,以及飞机驾驶舱内(包括仪表)
D. 电子仪表舱,驾驶舱仪表和飞机电瓶
【单选题】
在ECAM的客舱压力页面上,当客舱压力为多少时,客舱高度指示变为红色___
A. >8800英尺
B. >9550英尺
C. >14000英尺
【单选题】
在正常情况下,无线电管理面板1用于___
A. HF1和HF2
B. VHF1
C. HF1
【单选题】
如果在无线电管理面板1上选择VHF2,选择灯在何处燃亮:___
A. 只在无线电管理面板1
B. 在无线电管理面板2
C. 无线电管理面板1和2
【单选题】
为了在发动机开车前启动话音记录仪,必须按下:___
A. 地面控制按钮
B. 客舱话音记录仪擦除按钮
C. 客舱话音记录仪测试
【单选题】
按下音频控制面板(ACP)上的MECH键___
A. 可通过耳机与地面机务人员通话
B. 可通过音频控制面板内话按钮与地面机务人员通话
C. 可通过音频控制面板内话按钮与客舱乘务员通话
【单选题】
为了擦除客舱话音记录仪的录音___
A. 按一次擦除按钮
B. 在空中,按下擦除按钮2秒钟
C. 在地面,停留刹车位于ON位时按下擦除按钮2秒钟以上
【单选题】
如何取消绿色话音指示灯___
A. 再次按下话音按钮
B. 按下VOR接收按钮
C. 以上两个都可
【单选题】
音频控制面板上复位按钮的功能是___
A. 再次起动系统操作
B. 取消以前的选择
C. 可熄灭CALL,MECH和ATT灯并停止蜂鸣声
【单选题】
当使用氧气面罩或耳机时,如果INT/RAD键被设置在INT时,按下侧杆上的通话按钮进行无线电发射时,能否听到内话背景噪音___
【单选题】
在无线电管理面板选择STBY/NAV后,能否确认MCDU-RAD/NAV页面的选择___
【单选题】
通讯系统由哪些子系统组成___
A. VHH/HF发射机
B. 无线电调谐系统(无线电管理面板)和音频综合系统(音频管理组件,音频控制板)
C. 音频综合系统(音频管理组件,音频控制板)
D. 以上A和B
【单选题】
在收到与飞机呼叫码相应的呼叫码后,选择呼叫系统会以音频和视频信号通知机组地面台正呼叫飞机___
【单选题】
若两部无线电管理面板失效,余下的一部:___
A. 控制VHF1和HF1发射接收机
B. 控制VHF2和HF2发射接收机
C. 控制所有的VHF和HF发射接收机
【单选题】
如果已用NAV键选择了备用的导航功能___
A. 此RMP面板上的VHF功能失效
B. VHF 仍可用,但只能用做后选的频率
C. NAV键对无线电通讯频率选择无影响
【单选题】
在RMP面板上,ON/OFF开关控制___
A. 对RMP面板的供电
B. 只控制RMP面板的备用导航功能
C. 只控制RMP面板的通讯功能
【单选题】
无线电管理面板的用途是什么___
A. 对所有无线电通讯系统的控制
B. 备用方式控制无线电导航系统
C. 以上A和B
【单选题】
只要在地面飞机电气网络开始供电,驾驶舱话音记录器即通电,但时间只有5分钟,只有满足下列哪些条件,它才再次起动___
A. 地面控制接通
B. 一台发动机工作
C. 以上A和B
【单选题】
当任何一个音频控制板(ACP)或相应的音频控制管理组件(AMU)故障而引起的音频通道1或2故障时___
A. 会自动选择第三个音频通道
B. 机组用AUDIO SWITCHING(音频转换选择器)选择第三个音频通道
【单选题】
如果音频控制板(ACP)上的INT/RAD开关放到INT位而侧杆上按下了无线电发话按钮,则___
A. 内话功能优先于无线电功能
B. 无线电功能优先于内话功能
【单选题】
扬声器音量旋钮可调节无线电通讯的扬声器音量,但音响警告及语音信息不由该音量钮控制___
【单选题】
客舱内话系统提供哪些人员之间的通话及呼叫功能___
A. 飞行机组与乘务员
B. 飞机机组与地面机务员
C. 乘务员之间
D. 以上A和C
【单选题】
与位于发动机短舱处的地面机务人员通话,机组必须用下列音响系统进行选择___
A. 机械(MECH)+内话(INT)
B. 乘务员(ATT)+客舱(CAB)
C. 以上任何一项
【单选题】
如果无线电管理面板(RMP)1故障,机组只能以何种方式使用无线电管理板2___
A. 关闭无线电管理板1,然后使用无线电管理板2
B. 用顶板音响开关CAP3
【单选题】
能用无线电管理板1选择VOR2频率吗___
【单选题】
客舱里的一名乘务员按压了PRIO CAPT按钮,发出紧急呼叫,你在驾驶舱能听到什么指示___
A. 三声长的蜂鸣声和红色的撤离灯
B. 三声长的蜂鸣声和稳定的琥珀色紧急呼叫灯
C. ACP ATT lights.三声长的蜂鸣声,闪亮的紧急呼叫灯和音频控制面板的ATT灯
D. 闪亮的紧急呼叫灯,EMER ON 和撤离灯
【单选题】
你想与机务说话,他在机外的某处你看不到他,你怎样引起他的注意___
A. 打开侧窗,尽量引起他的注意
B. 使用呼叫面板上的MECH按钮
C. 我使用VHF3来呼叫他
D. 我在音频控制面板上选择MECH 发射键
【单选题】
当卫星通讯建立好后___
A. 琥珀色"SAT CALL"灯闪亮
B. 白色“SAT CALL”灯闪亮
C. 绿色“SAT CALL”灯闪亮
【单选题】
飞行中失去供电,发动机防冰活门___
A. 在发动机停车时打开
B. 在发动机工作时打开
C. 在发动机工作时关闭
【单选题】
每一侧窗都有一个独立的风挡加温计算机(WHC)___
【单选题】
风挡加温计算机为风挡提供两档加温功率___
A. 高于20000英尺时为正常功率,低于20000英尺时为低功率
B. 空中为正常功率,地面为低功率
C. 结冰条件下为正常功率,其他条件为低功率
【单选题】
空速管加温___
A. 地面为低功率,飞行中为正常功率
B. 只有空中工作
C. 在地面大于80KT时
【单选题】
机翼防冰按钮ON灯何时亮___
A. 防冰活门关闭时
B. 按钮开关置于ON位时
C. 失效灯灭时
【单选题】
风挡加温可在任何时候通过探头风挡加温按钮选择接通___
【单选题】
电加温用于保护___
A. 皮托管和迎角探头
B. 皮托管和大气总温探头
C. 空速管,静压孔,全温探头(TAT),迎角探头(AOA)
【单选题】
在地面,将机翼防冰按钮置于ON位时会发生什么情况___
A. 机翼防冰按钮打开30秒,然后关闭
B. 机翼防冰活门不打开
C. 机翼防冰活门保持打开