【单选题】
Television, as a source of entertainment, is ________.___
A. not very convenient        
B. very expensive
C. quite dangerous            
D. relatively cheap
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答案
D
解析
暂无解析
相关试题
【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
【单选题】
We need to plan ahead in order to ___________.___
A. keep a record of all the events    
B. better organize our activities
C. store everything in our head      
D. pile up little tasks neatly
【单选题】
Strategic times are best for us to ___________.___
A. save energy      
B. check e-mails            
C. study efficiently            
D. organize activities
【单选题】
Which of the following could be used as a motivation to do our assignments?___
A. Remembering our urgent tasks.      
B. Any activities we're eager to do.
C. Taking a break in the afternoon.  
D. The promise to study efficiently.
【单选题】
What can help us to keep refreshed throughout the day?___
A. Doing some physical exercise.        
B. Taking a short nap in the afternoon.
C. Rushing through some assignments.  
D. Playing a game of chess with a friend.
【单选题】
Which of the following could be the best title for this article?___
A. Study Habits and Time Management  
B. Business Management and Leadership
C. University Education and Campus Life      
D. Life Goals and Academic Development
【单选题】
It is implied in the text that it is hard to ________.___
A. carry life learning though  
B. tell the nature of life learning
C. learn without going to school
D. find a specially trained teacher
【单选题】
According to the author, the schooling framework often ________.___
A. produces slow students with poor memories
B. ignores some parts of the official curriculum
C. fails to provide enough knowledge about life
D. gives little care to the quality of teaching materials
【单选题】
Life learners recognize that learning will not be difficult if they are _________.___
A. clear about why to learn
B. careful to make a time table  
C. able to respect other people
D. cautious about any mistakes
【单选题】
According to the author, life learning ________.___
A. could prevent one from running risks
B. could be a road full of trials and errors
C. makes a kid independent of his parents
D. teaches a kid how to avoid being scorned
【单选题】
Through life learning, children ________.___
A. will grow without the assistance from parents
B. will learn to communicate with the real world
C. will be driven to learn necessary life knowledge
D. will be isolated from the negative side of society
【单选题】
A good title for this passage is __________.___
A. Sleep                 
B. Good Health    
C. Dreams             
D. Work and Rest
【单选题】
The word drowsy in the last paragraph means __________.___
A. sick                   
B. stand up       
C. asleep               
D. a little sleepy
【单选题】
This passage suggests that not getting enough sleep might make you ___________.___
A. dream more often     
B. have poor health   
C. nervous                 
D. breathe quickly
【单选题】
During REM,  ___________ .___
A. your eyes move quickly    
B. you dream  
C. you are restless   
D. both A and B
【单选题】
The average number of hours of sleep that an adult needs is __________.___
A. approximately six hours    
B. around ten hours    
C. about eight hours      
D. not stated here  
【填空题】
___
【填空题】
___
【填空题】
1、肿瘤TNM分类___
【填空题】
2、颞下颌关节紊乱病___
【填空题】
3、继发性牙颌面畸形___
【填空题】
4、Sjogren syndrome___
【填空题】
5、三叉神经痛___
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【多选题】
修井作业中溢流的直接显示___、静止时井口修井液自动外溢。
A. 循环旋转作业中罐面上升
B. 起管柱中灌入量小于起出管柱体积
C. 返出修井液密度下降粘度上升
D. 下管柱中返出量大于下入管柱体积
【多选题】
修井作业时发现地层压力异常时,发现溢流、井涌、井漏时,应___向有关部门汇报。
A. 关井求压
B. 及时调整修井液密度
C. 及时压井
D. 压漏后再堵
【多选题】
以下对硬关井描述正确的是___。
A. 避免水击效应
B. 产生水击效应
C. 关井时间比较长
D. 关井时间比较短
【多选题】
演习记录包括___、参加人员。
A. 班组
B. 日期和时间
C. 工况和演习速度
D. 存在问题及讲评
【多选题】
___、井喷失控反映了地层压力与井底压力失去平衡以后井下和井口所出现的各种现象及事故发展变化的不同程度。
A. 井侵
B. 溢流
C. 井涌
D. 井喷
【多选题】
发生溢流关井时,其最大允许关井套压值一般不得超过下面___数值中的最小值。
A. 井口装置的额定工作压力
B. 装置的额定工作压力
C. 套管抗内压强度80%
D. 装置的额定工作压力的80%
【多选题】
发现溢流,立即关井;怀疑溢流,关井检查。发现___异常情况,应立即报告司钻。
A. 溢流
B. 井喷
C. 井漏
D. 井喷失控
【判断题】
起管柱时不及时向井内灌修井液或灌量不足、快速起管柱情况最为危险。
A. 对
B. 错
【判断题】
有些地层是异常低压的,即其压力低于盐水柱压力。
A. 对
B. 错
【判断题】
井下作业时,修井液液柱压力的上限要保持与地层压力相平衡,即不污染地层,又能实现压力控制;而其下限则不能超过地层的破裂压力以免压裂地层造成井漏。
A. 对
B. 错
【判断题】
在一口井的各种作业中,始终有压力作用于井底,节流循环时,井底压力=静液柱压力+环形空间压力损失+井口回压。
A. 对
B. 错
【判断题】
泵压是克服循环系统中摩擦损失所需的压力。
A. 对
B. 错
【判断题】
修井液在环空中上返速度越大、井越深、井眼越不规则、环空间隙越小,且修井液密度、切力越高,则环空流动阻力越大;反之,则环空流动阻力越小。
A. 对
B. 错
【判断题】
地面压力的变化会影响井底压力的变化。
A. 对
B. 错
【判断题】
所谓井底压差就是地层压力与井底压力之差。
A. 对
B. 错
【判断题】
合理的修井液密度应该略大于(平衡)地层压力,大于漏失压力,而小于坍塌压力、破裂压力。
A. 对
B. 错
【判断题】
某井正常正循环时,井底压力=静液柱压力+环空压力损失。
A. 对
B. 错
【判断题】
当井浸发生后出口返出的液量比泵入的液量多,停泵后井口修井液自动外溢,这种现象就称为井涌。
A. 对
B. 错
【判断题】
只要安装适当的地面装置,可以把气侵的修井液再重复循环到井内。
A. 对
B. 错
【判断题】
长期关井以后,由于天然气在井内上升而不能膨胀,井口压力不断上升。
A. 对
B. 错
【判断题】
尽管井内是正压差,仍有少量的天然气可以进入井筒。
A. 对
B. 错
【判断题】
排除天然气溢流时可保持循环罐液面不变。
A. 对
B. 错
【判断题】
从天然气侵入井内的方式来看,当井底压力大于地层压力时,天然气不会侵入井内。
A. 对
B. 错
【判断题】
气体侵入修井液与液体侵入修井液对修井液性能的影响相同。
A. 对
B. 错
【判断题】
在开井状态下,气柱滑脱上升越接近井口,修井液罐液面上升速度越快,溢流量才变得比较明显。
A. 对
B. 错
【判断题】
发生气体溢流必须长时间关井,避免发生气体上窜。
A. 对
B. 错
【判断题】
天然气只有在开井的条件下才可能发生滑脱上升
A. 对
B. 错
【判断题】
长期关井以后,天然气在井内上升而不膨胀,井口压力不断上升,相应的表明地层压力也非常高。
A. 对
B. 错
【判断题】
溢流量越大,地层压力越高。
A. 对
B. 错
【判断题】
溢流关井后,关井油、套压上升越快,说明了地层压力增加也越快。
A. 对
B. 错
【判断题】
射孔过程中发生溢流时,应停止射孔,来不及起出射孔枪时,应剪断电缆,迅速关闭射孔闸门或防喷器。
A. 对
B. 错
【判断题】
起管柱速度越快,产生抽吸压力也越大,引起井内修井液密度下降越多。
A. 对
B. 错
【判断题】
停止循环后,井口修井液仍不断地外溢,说明已经发生了溢流。
A. 对
B. 错
【判断题】
及时发现溢流并迅速控制井口是防止井喷的关键。
A. 对
B. 错
【判断题】
若能尽早地发现溢流,则硬关井产生的“水击效应”就较弱,也可以使用硬关井。
A. 对
B. 错
【判断题】
关井后要及时组织压井,如果是天然气溢流,可允许长时间关井而不作处理。
A. 对
B. 错
【判断题】
软关井的优点是关井过程中,防止水击效应作用于井口装置,可试关井。
A. 对
B. 错
【判断题】
所谓圈闭压力是指在油管(立管)压力表或套管压力表上记录到的超过平衡地层压力的压力值。
A. 对
B. 错
【单选题】
当关井一段时间后,如果井口压力不断上升,应该___放喷阀通过节流阀以释放部分压力。
A. 关闭
B. 微开
C. 开启
D. 锁定
【单选题】
发现溢流后,应关井并记录井口的立管压力和套管压力。一般情况下,关井___min待稳定后,立管压力才能较为真实地反应原始地层压力。
A. 少于3
B. 5-7
C. 10-15
D. 3-5