【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“___”。
查看试卷,进入试卷练习
微信扫一扫,开始刷题
相关试题
【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
【单选题】
The key problem in dealing with returned plastic beverage containers is ______________.___
A. how to reduce their recycling costs
B. to sell them at a profitable price
C. how to turn them into useful things
D. to lower the prices for used materials
【单选题】
Recycling has become the first choice for the disposal of rubbish because ______________.___
A. recycling causes little pollution
B. other methods are more expensive
C. recycling has great appeal for the jobless
D. local governments find it easy to manage
【单选题】
It can be concluded from the passage that ____________.___
A. recycling is to be recommended both economically and environmentally
B. local governments in the U.S. can expect big profits from recycling
C. rubbish is a potential remedy for the shortage of raw materials
D. landfills will still be widely used for waste disposal
【单选题】
The author chose to study engineering at a small liberal-arts university because he ________.___
A. intended to be a sensible student with noble ideals
B. wanted to be an example of practicality and rationality
C. intended to be a combination of engineer and humanist
D. wanted to coordinate engineering with liberal-arts courses in college
【单选题】
According to the author, by interacting with people who study liberal arts, engineering students can __________.___
A. broaden their horizons
B. receive guidance in their careers
C. become noble idealists
D. balance engineering and the liberal arts
【单选题】
In the eyes of the author, a successful engineering student is expected ______________.___
A. to be imaginative with a value system to guide him
B. to be a technical genius with a wide vision
C. to have an excellent academic record
D. to be wise and mature
【单选题】
The author's experience shows that he was ________.___
A. creative
B. ambitious
C. irrational
D. unrealistic
【单选题】
The underlined word "they" in "... together they threaten to confuse." (Para.5) refers to ____________.___
A. practicality and rationality
B. engineering and the liberal arts
C. reality and noble ideals
D. flexibility and a value system
推荐试题
【单选题】
CCB-Ⅱ制动系统中,响应列车管的减压量及小闸单缓指令,产生平均管压力的模块是___。
A. 16控制模块
B. 20控制模块
C. 13控制模块
【单选题】
CCB-Ⅱ制动系统中,产生制动缸压力的模块是___。
A. 制动缸控制模块BCCP
B. 列车管控制模块BPCP
C. 13控制模块
【单选题】
CCBII制动机20CP故障,___可以根据单独制动手柄的位置产生制动缸控制压力。
【单选题】
在没有电源和气源的情况下,高压隔离开关___状态。
A. 维持原有
B. 自动处于开放
C. 自动处于关闭
【单选题】
CCBII电子空气制动系统在本机模式下,16号管增加压力同列车管减少压力的比率为___。
【单选题】
制动盘摩擦面不允许有明显的台阶与沟槽、拉伤,但允许有1mm深的擦伤和小于___mm的凹面。
【单选题】
辅助变流器采用___方式。
A. 强制水冷
B. 强制风冷
C. 强迫油循环风冷
【单选题】
为提高装置小型化及冷却性能,牵引变流器采用强制循环___冷方式。
【单选题】
受电弓降弓时,从2m高度落下的降弓时间(至绝缘子底面):___s。
【单选题】
和谐型电力机车主断路器机械寿命___万次。
【单选题】
___参与对机车轴重转移进行补偿。
A. 主变流器控制装置
B. 辅助变流器控制装置
C. 电源充电控制装置
【单选题】
为防滑系统提供速度信号的传感器为___。
A. 牵引电机速度传感器
B. 车轴速度传感器
C. 双针表速度传感器
【单选题】
16CP控制模块中的APP作用电磁阀得电时,其作用为___。
A. 作用风缸通大气,作用风缸减压
B. 总风缸通作用风缸通路被关断,作用风缸保压
C. 总风通作用风缸,作用风缸增压
【单选题】
干燥器前后各有一个高压安全阀,干燥器前高压安全阀的控制压力为___kPa。
【单选题】
单独制动手柄位置包括运转位,通过制动区到达全制动位。手柄向前推为___作用。
【单选题】
关于列车管控制模块BPCP,下列说法错误的是___。
A. 列车管控制模块BPCP响应均衡风缸的压力变化,从而实现列车管的充风、排风及保压
B. 列车管控制模块BPCP相当于DK-1制动机的中继阀
C. 紧急制动时,列车管控制模块BPCP不动作88.主断路器开断容量( C )MVA。 A、200 B、400 C、600
【单选题】
均衡风缸控制模块ERCP上的无动力回送塞门DE打至“投入”位时,沟通的通路是___。
A. 均衡管与列车管
B. 列车管与平均管
C. 列车管与第二总风缸
【单选题】
均衡风缸控制模块ERCP中的作用电磁阀APP失电时,其作用为___。
A. 总风通均衡风缸的通路被关断,均衡风缸保压。
B. 均衡风缸通大气的通路被关断,均衡风缸保压。
C. 总风通均衡风缸,均衡风缸增压。
【单选题】
和谐型电力机车警惕装置动作,发出___指令。A、紧急制动 B、 常用制动 C、 卸载92.当原边网压高于32kV且持续( C )ms,四象限脉冲整流器和逆变器的门极均被封锁,输入回路中的工作接触器断开,同时向微机控制系统发出原边过电压信息。
【单选题】
闭合蓄电池开关,若控制电源柜上电压表显示___V时,机车无法升弓。
【单选题】
当停放制动风缸中风压达到___kPa以上,弹停装置缓解后允许行车。
【单选题】
和谐型电力机车受电弓升高到2m的升弓时间(自绝缘子底面):___s。
【单选题】
和谐型电力机车自动制动手柄位置包括运转位、初制动(最小减压位) 、全制动(最大减压位)、___、重联位、紧急位。初制动和全制动之间是常用制动区。
【单选题】
均衡风缸控制模块ERCP中的作用电磁阀APP得电时,其作用为___。
A. 总风通均衡风缸的通路被关断,均衡风缸保压。
B. 均衡风缸通大气的通路被关断,均衡风缸保压。
C. 总风通均衡风缸,均衡风缸增压。
【单选题】
LCDM采用液晶显示屏,带有8个功能键,用于___选择。
A. 菜单和功能
B. 电空配合模式
C. 弹停制动控制模式
【单选题】
和谐型电力机车均衡风缸控制模块(ERCP)本机状态下,响应自阀指令,控制均衡风缸压力及___压力。
【单选题】
和谐型电力机车的空转滑行保护、___控制等不参与重联控制。
【单选题】
16CP控制模块中的REL缓解电磁阀失电时,其作用为___。
A. 作用风缸通大气,作用风缸减压。
B. 作用风缸通大气通路被关断,作用风缸保压。
C. 总风通作用风缸,作用风缸增压。
【单选题】
制动显示屏LCDM位于司机室操纵台,通过它可进行本机/补机,___定压,列车管投入/切除,客车/货车,补风/不补风,CCBII系统自检,风表值标定,故障查询等功能的选择和应用。
【单选题】
BPCP是___。
A. 均衡风缸控制部分
B. 列车管控制部分
C. 总风控制部分
【单选题】
紧急制动产生后,必须将自动制动阀置于紧急位___S后才能缓解。
【单选题】
___为主变流器控制提供同步信号、为原边电压的检测和电度表的计量提供电压输入信号的电器。
【单选题】
13号管控制模块(13CP)本机状态时,侧推单独制动手柄来实现单独___压力的功能。
A. 增加制动缸压力
B. 缓解均衡风缸
C. 缓解机车制动缸
【单选题】
电力机车制动盘磨耗限度为每侧___mm,超过磨耗极限值,必须更换制动盘。
【单选题】
16CP控制模块中的REL缓解电磁阀得电时,其作用为___。
A. 作用风缸通大气,作用风缸减压。
B. 作用风缸通大气通路被关断,作用风缸保压。
C. 总风通作用风缸,作用风缸增压。
【单选题】
和谐型电力机车微机控制监视系统TCMS主要功能是实现机车特性控制、逻辑控制、故障监视和诊断,并将有关信息送到司机操纵台上的___。
A. 微机显示屏
B. 制动显示屏
C. 监控显示屏
【单选题】
当无动力塞门在投入位时,限制列车管给总风缸充风的压力到___左右。
A. 420kPa
B. 320kPa
C. 250kPa
【单选题】
均衡风缸控制模块ERCP中的缓解电磁阀DEL得电时,作用为___。
A. 均衡风缸通大气,均衡风缸减压。
B. 均衡风缸通大气的通路被关断,均衡风缸保压。
C. 总风通均衡风缸,均衡风缸增压。
【单选题】
均衡风缸控制模块ERCP中的缓解电磁阀DEL失电时,作用为___。
A. 均衡风缸通大气,均衡风缸减压。
B. 均衡风缸通大气的通路被关断,均衡风缸保压。
C. 总风通均衡风缸,均衡风缸增压。