相关试题
【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.
【单选题】
One of the most obvious advantages of TV is that _________.___
A. it keeps us informed
B. it is very cheap
C. it enables us to have a rest
D. it controls our lives
【单选题】
According to the passage, whether TV is good or not depends on ___________.___
A. its quality
B. people's attitude towards it
C. how we use it
D. when we use it
【单选题】
What regulation was issued by New York State concerning beverage containers?___
A. A fee should be charged on used containers for recycling.
B. Throwaways should be collected by the state for recycling.
C. Consumers had to pay for beverage containers and could get their money back on returning them.
D. Beverage companies should be responsible for collecting and reusing discarded plastic soda bottles.
【单选题】
The returned plastic bottles in New York used to _____________.___
A. be turned into raw materials
B. be separated from other rubbish
C. have a second-life value
D. end up somewhere underground
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电气化铁路及附近地区发生火灾时,如超过4m又未停电的情况下使用水灭火,严禁向带电部分的方向喷射,并保持水流与带电部分的距离在1.5m以上
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【判断题】
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【判断题】
除供电段专业人员按规定作业外,任何人员及所携带的物件、使用的工具等,与接触网设备的带电部分必须保持2m以上安全距离
【判断题】
在接触网未停电、接地的情况下可以用水冲刷车辆上部
【判断题】
处理故障的车辆距接触网不足2m时,必须将车辆移至无接触网的线路上或按规定停电、接地后方准作业
【判断题】
动车组在段内或整备所进行整备作业后,司机必须亲自检查确认高压室内、地沟内和车下无作业人员,并与副司机呼唤应答、鸣笛后方可升弓
【判断题】
旅客列车运行途中,严禁关闭电子防滑装置、轴温报警装置和其他报警装置
【判断题】
在客车上安装宣传、引导标志及列车广告,须经铁路局主管部门批准,严禁在车内乱钉、乱贴、乱挂
【判断题】
空调客车的空调温控器应设定为:冬季14~16℃,夏季22~24℃
【判断题】
轴温达到110℃或超过外温加80℃时摘车处理
【判断题】
集中供电空调列车,库内停留期间须使用外接地面电源进行检修
【判断题】
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【判断题】
列车编组中,密封风挡可以与橡胶风挡或铁风挡连挂
【判断题】
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【判断题】
旅客列车可以编挂制动关门车,但最后一辆不得为关门车
【判断题】
铁路是国家重要的基础设施,国民经济的大动脉,交通运输体系的骨干,是运输能力大、节约资源、有利环保的交通运输方式,在全面建设小康社会的进程中肩负着重要的历史使命
【判断题】
铁路使用的产品须符合国家和铁道行业技术标准,铁路重要产品须按照国家和铁道部有关规定,实行行政许可管理或产品强制认证
【判断题】
列车在电气化铁路发生火灾时,在不足4m和未停电的情况下,可以使用水和一般的灭火器灭火
【判断题】
列车在站内因其他乘务人员使用紧急制动阀临时停车,待停车原因消除且继续运行时,由运转车长(无运转车长为车辆乘务员)通知司机开车
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【判断题】
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【判断题】
最高运行速度为160km/h的列车紧急制动距离限值为1200m
【判断题】
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【判断题】
密接式车钩的客车回送时,原则上应附挂旅客列车回送,附挂货物列车回送时,应挂于尾部,但不得超过2辆
【判断题】
旅客列车尾部加挂客车原则上不得超过2辆,遇特殊情况必须超过2辆时,应将运转车长值乘位置和列车尾部标志灯移至列车尾部
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根据事故造成的人员伤亡、直接经济损失、列车脱轨辆数、中断铁路行车时间等情况,事故等级分为特别重大事故、重大事故、较大事故和一般事故
【判断题】
重大事故由国务院铁路主管部门组织事故调查组进行调查