【填空题】
45.库场的位置必须与货物的___,___和___统一考虑。
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【填空题】
46.无坝取水渠首一般由___,___和___三部分构成。
【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.
推荐试题
【单选题】
179.(A320)如何可以探测到襟翼脱开?___
A. A.通过比较SFCC的指令和APPU的信号
B. B.通过比较SFCC的指令和FPPU的信号
C. C.通过比较APPU的信号和FPPU的信号
D. D.通过比较APPU的信号和
【单选题】
867.(A320)FMGC内部测试在何时自动进行:___
A. A.在地面,计算机通电时
B. B.两台计算机之间有偏差时
C. C.在空中发生失效时
D. D.在空中自动驾驶接通时
【单选题】
868.(A320)关于方向舵,错误的是:___
A. A.配平有反馈.
B. B.当两个FAC都失效时,行程限制器将转为全行程.
C. C.有机械备份操作
D. D.三套液压作动筒同时工作.
【单选题】
869.(A320)如果两个电磁阀都没有通电,没有指令电信号但液压动力正常,那么升降舵伺服作动器会工作在什么模式?___
A. A.作动模式
B. B.阻尼模式
C. C.重新定中模式
D. D.次级模式
【单选题】
870.(A320)如果一个电磁阀通电且液压正常,升降舵伺服作动器会工作在哪种模式___
A. A.作动模式
B. B.阻尼模式
C. C.重新定中模式
D. D.次级模式
【单选题】
EEC是怎样供电的?___
A. A.ACBUS#2.
B. B.电瓶一DCBUS#1
C. C.EEC专用发电机.
D.
【单选题】
u锁定功能防止缝翼收到0。如果:___
A. A.空速低于215节
B. B.迎角大于8。或空速低于165节
C. C.迎角大于7.6。或空速低于210节.
D.
【单选题】
当发动机起动,高压压缩引气valve:___
A. A.全并闭
B. B.全打开
C. C.调节.
D.
【单选题】
发动机低压燃油关断valve是如何控制的?___
A. A.由发动机火警按钮
B. B.探测到火警时自动作动
C. C.由主电门
D. A和C.
【单选题】
发动机反推使用:___
A. A.两台发动机都使用蓝系统
B. B.ENG2使用绿系统,ENG1使用黄系统
C. C.ENG2使用黄系统,ENGl使用绿系统.
D.
【单选题】
关于方向舵,错误的是:___
A. A.配平有反馈.
B. B.当两个FAC都失效时,行程限制器将转为全行程.
C. C.有机械备份操作.
D. D.套液压作动筒同时工作.
【单选题】
衿翼扭力限制器在什么位置?___
A. A.作动筒齿轮箱.
B. B.作动筒驱动臂.
C. C.支持轴承.
D. D.PCU.
【单选题】
哪个传感器用于衿,缝翼ECAM显示?___
A. A.APPU.
B. B.FPPU.
C. C.IPPU.
D. D.LVDT.
【单选题】
哪里选择点火A和B?___
A. A.发动机面板
B. B.ECAM控制面板
C. C.EEC.
D.
【单选题】
哪些计算机接受侧杆指令?___
A. A.ELAC.
B. B.FCDC
C. C.FAC,ELAC,SEC
D. D.FMGC
【单选题】
扭力限制器在什么地方?___
A. A.扭力轴
B. B.作动筒
C. C.PCU输出轴.
D.
【单选题】
扰流板在地面怎样人工放出?___
A. A.液压系统释压,使用维护开锁装置.
B. B.按压SEC电门.
C. C.使用维护开锁装置,并按压SEC电门.
D. D.保持液压并使用维护开锁装置.
【单选题】
扰流板在飞机接地时自动放出的条件是?___
A. A.扰流板手柄预位,油门手柄在慢车或反推位.
B. B.扰流板手柄不预位,油门在慢车位.
C. C.只要油门在反推位.
D. D.要扰流板手柄预位.
【单选题】
若滑油田油滤堵塞,则:___
A. A.驾驶舱内触发滑油滤堵塞警告
B. B.油滤上的目视堵塞指示器变为红色
C. C.滑油低压电门闭合.
D.
【单选题】
升降舵作动筒有什么工作方式?___
A. A.主动,随动
B. B.空中
C. C.A和B.
D.
【单选题】
什么用来防止金属粒子进入滑油田油泵:___
A. A.一个主金属屑探测器
B. B.回油滤
C. C.6个磁性金属屑探测器及泼、网.
D.
【单选题】
推力控制组件将推力手柄位置信号传送到:___
A. A.燃调组件
B. B.发动机接口组件(EIU)
C. C.EEC的两个通道.
D.
【单选题】
怎样知道水平安定面作动筒卡阻。___
A. A.头顶板上卡阻灯.
B. B.水平安定面作动筒卡阻指示器.
C. C.A检.
D. D.ECAM信息.
【单选题】
A319/320飞机每边的大翼上有5块扰流板,其中横滚扰流板、减速板、地面扰流板分别有块?___
A. 5、4、3;
B. 4、3、5;
C. 3、4、5。
D.
【单选题】
A319/320飞机每边的大翼上有5块扰流板,其中减速扰流板为?___
A. 2、3、4、5;
B. 2、3、4;
C. 1、2、3、4、5。
D.
【单选题】
A320飞机的主飞行操纵是通过传统的飞行操纵面来完成的。所有的飞行操纵面均为电控液压操纵,C除正常的电传操纵外还各有一套备用的机械操纵系统。___
A. 方向舵及可配平水平安定面(THS);
B. 升降舵和方向舵;
C. 升降舵及可配平水平安定面(THS)
D.
【单选题】
EFCS包括D,计算机系统时刻控制并监控飞行操纵面,同时记录并存储故障。___
A. ELACS、SECS、FCDCS;
B. ELACS、SECS;
C. ELACS、SECS和垂直加速度计;
D. ELACS,SECS,FCDCS和垂直加速度计。
【单选题】
EFCS系统中两部FCDC将D与其它飞机系统隔离开,用于维护和数据采集。___
A. SEC;
B. ELAC;
C. FAC;
D. SEC+ELAC。
【单选题】
ELAC1由直流主汇流条(4PP)供电,当A时,电瓶1通过专用的二极管设备(电源供给切断组件)取代供电。___
A. 4PP汇流条电压降至电瓶输出电压以下;
B. 在地面二发关车后30秒;
C. 直流正常汇流条2PP故障时。
D.
【单选题】
FWC与哪一部EFCS计算机相?___
A. SECS;
B. ELACS和SECS;
C. 只与FCDCS相连。
D.
【单选题】
LGCIU从哪些传感器接收信息___
A. 全部四个脱开传感器;
B. 每边大翼一个传感器;
C. 一边大翼上的两个传感器。
D.
【单选题】
THS的钢索张力由A保持恒定?___
A. 钢索张力补偿器;
B. 钢索张力人工调节器;
C. 人工感觉机构。
D.
【单选题】
THS作动器的输入轴2号驱动马达可由C控制?___
A. ELAC1;
B. ELAC2;
C. ELAC1或SEC1;
D. SEC2。
【单选题】
WTB(翼尖刹车)位于何处___
A. 位于翼尖,APPU外侧;
B. 在每一边大翼的11和12滑轨之间;
C. 在每一边大翼的7和8号滑轨之间。
D.
【单选题】
半速监控何时工作___
A. 当方向valve通电时;
B. 当控制valve在全速位置时;
C. 始终工。
D.
【单选题】
当C时偏航阻尼作动器处于旁通模式?___
A. 液压压力下降;
B. 一个电磁valve断电;
C. A+B。
D.
【单选题】
当电源故障时对应的扰流板液压保持在收起位;当液压故障时,伺服机构液压锁定在防止扰流板放出的方向上。在上述两种情况下,与之对称的扰流板。___
A. 仍能正常工作;
B. 也被抑制;
C. 前者不受影响,后者将被抑制。
D.
【单选题】
当横滚和减速板指令之和超过扰流板最大作动角度时___
A. 减速板功能被抑制;
B. 所有的扰流板将收到附加的放出指令;
C. 对称的扰流板将收回一定的角度,使得两个舵面的角度差等于横滚指令。
D.
【单选题】
当襟翼/缝翼构型为1+F,CAS达到210节时。___
A. 襟翼自动收回到0位,襟缝翼构型变为1;
B. 因为速度太大,襟翼自动放出;
C. 因为速度太大alphalock功能衔接。
D.