【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
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相关试题
【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
【单选题】
It can be learned from the passage that the Ouchidas' house __________.___
A. failed to meet energy conservation standards
B. was designed and constructed in a scientific way
C. is well worth the money spent on its construction
D. is almost faultless from the point of energy conservation
【单选题】
What made the Ouchidas' new house a horrible dream?___
A. Lack of fresh air.          
B. Gas leakage in the kitchen.
C. The newly painted walls.  
D. Poor quality of building materials.
【单选题】
The underlined word "accentuate" (Para. 3) most probably means "________".___
A. worsen        
B. accelerate  
C. relieve          
D. improve
【单选题】
Why were cracks in old houses not a big concern?___
A. Because environmental protection was given top priority.
B. Because indoor cleanness was not emphasized.
C. Because they were technically unavoidable.
D. Because energy used to be inexpensive.
【单选题】
This passage is most probably taken from an article entitled "_________".___
A. Energy Conservation
B. Air Pollution Indoors
C. House Building Crisis
D. Traps in Building Construction
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【单选题】
工作票若至预定时间,一部分工作尚未完成,需继续工作而不妨碍送电者,在送电前,应按照( ),办理新的工作票,布置好安全措施后,方可继续工作。 ___
A. 原工作票
B. 送电后现场设备带电情况
C. 工作票签发人要求
D. 运维值班员要求
【单选题】
需要变更工作班成员时,应经( )同意,在对新的作业人员进行安全交底手续后,方可进行工作。___
A. 工作许可人
B. 工作负责人
C. 工作票签发人
D. 专责监护人
【单选题】
需要变更工作班成员时,应经工作负责人同意,在对新的作业人员进行( )后,方可进行工作。 ___
A. 安规考试
B. 安全知识培训
C. 安全交底手续
D. 口头许可
【单选题】
间断后继续工作,若无( )带领,作业人员不得进入工作地点。___
A. 工作负责人和专责监护人
B. 工作负责人或专责监护人
C. 工作负责人或工作许可人
D. 工作票签发人或专责监护人
【单选题】
作业人员工作中正常活动范围与110KV设备带电部分的安全距离小于()m时,设备应停电。 ___
A. 1.50
B. 1.75
C. 1.80
D. 2.00
【单选题】
作业人员工作中正常活动范围与220KV设备带电部分的安全距离小于( )m时,设备应停电。___
A. 3.00
B. 3.35
C. 3.50
D. 4.00
【单选题】
作业人员工作中正常活动范围与35kV设备带电部分的安全距离小于( )m时,设备应停电。___
A. 1.50
B. 1.00
C. 0.75
D. 0.60
【单选题】
验电时,应使用( ),在装设接地线或合接地刀闸(装置)处对各相分别验电。___
A. 不小于相应电压等级且合格的感应式验电器
B. 相应电压等级且合格的接触式验电器
C. 相应电压等级且合格的感应式验电器
D. 不小于相应电压等级且合格的接触式验电器
【单选题】
高压验电应( )。 ___
A. 戴线手套
B. 穿防电弧服
C. 戴护目眼镜
D. 戴绝缘手套
【单选题】
装、拆接地线时,人体不得()接地线或未接地的导线,以防止触电。___
A. 靠近
B. 碰触
C. 临近
D. 贴近
【单选题】
特殊情况下,必须在恶劣天气进行带电抢修时,应组织有关人员充分讨论并编制必要的( ),经本单位批准后方可进行。___
A. 安全措施
B. 组织措施
C. 技术措施
D. 施工方案
【单选题】
继电保护装置、安全自动装置和自动化监控系统的二次回路变动时,应按经审批后的图纸进行,无用的接线应( ),防止误拆或产生寄生回路。___
A. 隔离清楚
B. 标记清楚
C. 分类清楚
D. 整理清楚
【单选题】
进入电缆井、电缆隧道前,应先用吹风机排除浊气,再用( )检查井内或隧道内的易燃易爆及有毒气体的含量是否超标,并作好记录。___
A. 气体检测仪
B. 仪表
C. 小动物
D. 明火
【单选题】
电缆耐压试验前,应先对设备( )___
A. 短路
B. 充分放电
C. 接地
D. 验电
【单选题】
在变、配电站(开关站)的带电区域内或邻近带电线路处,禁止使用( )。___
A. 绝缘梯子
B. 金属梯子
C. 竹梯子
D. 木梯子
【单选题】
站用交流电源系统的备自投装置应( )切换检查1次___
A. 每年
B. 每半年
C. 每月
D. 每季度
【单选题】
站用交流电外部交流输入回路异常或断线告警时,如检查发现备自投装置运行灯熄灭,应将( )退出运行___
A. 备自投装置
B. 保护装置
C. 自动装置
D. 操作系统
【单选题】
3直流系统中的备用充电机应( )进行1次启动试验___
A. 每月
B. 每季度
C. 每年
D. 每半年
【单选题】
变电站内的备用站用变(一次侧不带电)( )应启动试验1次,每次带电运行不少于( )小时___
A. 每半年、24
B. 每年、24
C. 每半年、48
D. 每年、48
【单选题】
站用交流电源系统的备自投装置应( )切换检查1次___
A. 每年
B. 每半年
C. 每月
D. 每季度
【单选题】
对强油(气)风冷、强油水冷的变压器冷却系统,各组冷却器的工作状态(即工作、辅助、备用状态)应( )进行轮换运行1次___
A. 每季
B. 每月
C. 每半年
D. 每年
【单选题】
对GIS设备操作机构集中供气的工作和备用气泵,应( )轮换运行1次___
A. 每季
B. 每月
C. 每半年
D. 每年
【单选题】
对通风系统的备用风机与工作风机,应( )轮换运行1次___
A. 每季
B. 每月
C. 每半年
D. 每年
【单选题】
备用站用变()应进行一次启动试验。___
A. 每半年
B. 每一年
C. 每三个月
D. 每季度
【单选题】
每台充电装置两路交流输入(分别来自不同站用电源)互为备用,当运行的交流输入失去时能( )到备用交流输入供电。___
A. 自动切换
B. 手动切换
C. 自动
D. 手动
【单选题】
站用交流电外部交流输入回路异常或断线告警时,如检查发现备自投装置运行灯熄灭,应将( )退出运行___
A. 备自投装置
B. 保护装置
C. 自动装置
D. 操作系统
【单选题】
检查故障馈线回路,未发现明显故障点时,可合上低压断路器或更换熔断器,试送( )次。___
A. 多次
B. 一次
C. 不允许
D. 五次
【单选题】
检查UPS装置是否( ),各负荷回路对地绝缘是否良好___
A. 过载
B. 无负荷
C. 感性负荷
D. 容性负荷
【单选题】
330kV及以上变电站主变压器为两台 (组)及以上时,由主变压器低压侧引接的站用变台数不少于( ),并应装设一台从站外可靠电源引接的专用备用站用变.___
A. 一台
B. 二台
C. 三台
D. 四台
【单选题】
330kV以下变电站应至少配置( )不同的站用电源.___
A. 一路
B. 二路
C. 三路
D. 四路
【单选题】
变电站不同外接站用电源( )取至同一个上级变电站.___
A. 不能
B. 可以
C. 同时
D. 不同时
【单选题】
的区域供电.___
A. 不能
B. 可以
C. 同时
D. 不同时
【单选题】
()不间断电源系统应具备运行旁路___
A. 站用交流
B. 交流输入电源
C. 整流器
D. 站内直流
【单选题】
330kV及以上变电站主变压器为两台 (组)及以上时,由主变压器低压侧引接的站用变台数不少于( ),并应装设一台从站外可靠电源引接的专用备用站用变.___
A. 一台
B. 二台
C. 三台
D. 四台
【单选题】
330kV以下变电站应至少配置( )不同的站用电源.___
A. 一路
B. 二路
C. 三路
D. 四路
【单选题】
变电站不同外接站用电源( )取至同一个上级变电站.___
A. 不能
B. 可以
C. 同时
D. 不同时
【单选题】
的区域供电.___
A. 不能
B. 可以
C. 同时
D. 不同时
【单选题】
330kV 及以上电压等级变电站及重要的220kV变电站应采用()充电装置,两组蓄电池组的供电方式。每组蓄电池和充电装置应分别接于一段直流母线上,第三台充电装置(备用充电装置)可在两段母线之间切换,任一工作充电装置退出运行时,手动投入第三台充电装置___
A. 1台
B. 2台
C. 3台
D. 3台以上
【单选题】
24当任一台站用变失电时,备用站用变应能()至失电的工作母线段继续供电。___
A. 自动切换
B. 手动切换
C. 自动切除
D. 手动切除
【单选题】
对同一开关柜不同时间的暂态地电压测试结果进行比较,从而判断开关柜的运行状,是( )分析法。 ___
A. 对称
B. 纵向
C. 横向
D. 多点