【单选题】
Smart phones – with cameras and color screens – can ___ images and data using wireless network technology.
A. evolve
B. depart
C. transmit
D. assure
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相关试题
【单选题】
Don’t take someone you get to know from the Internet to your house no matter how ___ he sounds.
A. bold
B. genuine
C. flexible
D. available
【单选题】
This kind of exercise will ___ your creativity, renew your energy, and unlock your potential.
A. bind
B. yield
C. embrace
D. stimulate
【单选题】
I’ll be happy to help you, ___ you won’t take up too much of my time.
A. as well as
B. as long as
C. as far as
D. as soon as
【单选题】
We teachers do not consider it wise to ___ our students with all sorts of exams, tests and quizzes.
A. load
B. annoy
C. sample
D. explore
【单选题】
He makes his students ___ knowledge through various kinds of interesting activities.
A. study
B. learn
C. achieve
D. acquire
【单选题】
For years, scientists have debated the ___ dangers of building another nuclear plant after the terrible accident.
A. available
B. potential
C. fascinating
D. genuine
【单选题】
It was a worthwhile attempt ___ it failed to achieve its purpose that we had hoped for.
A. in the end
B. now that
C. all at once
D. even though
【单选题】
Travel in space can be very exciting; ___, it can also be boring and lonely at times.
A. so
B. however
C. thus
D. therefore
【单选题】
Politicians should not ___ in business affairs that might affect their political judgment.
A. engage
B. embrace
C. depart
D. treasure
【单选题】
I wish to ___ a master’s degree in electric engineering after I graduate from college.
A. pledge
B. explore
C. pursue
D. approach
【单选题】
There is no greater importance ___ cultivating independence in children.
A. in
B. than
C. of
D. with
【单选题】
He has made it very clear ___ we should observe the new rules.
A. what
B. which
C. those
D. that
【单选题】
It was when I read his letter ___ I realized he had given me huge help.
A. that
B. then
C. before
D. after
【单选题】
Don’t worry too much, Jane. Your son ___ home already. Let’s go back and check it out.
A. returned
B. will return
C. has returned
D. may have returned
【单选题】
I believe friendship is an essential element of making a healthy, ___ life.
A. flexible
B. rewarding
C. wealthy
D. inquisitive
【单选题】
___ they have written about the behaviors of animals is hardly anything new.
A. That
B. This
C. What
D. Which
【单选题】
No other drugs are as good as this one; it must have been based on a(n) ___ formula (配方).
A. enormous
B. stimulating
C. unique
D. overwhelming
【单选题】
Mothers tend to be too ___ toward their children. They should let them see more of the worl D.
A. hopeful
B. protective
C. modest
D. encouraging
【单选题】
The investigation ___ evidence of a large-scale illegal trade in wild birds.
A. uncovered
B. outweighed
C. overwhelmed
D. evolved
【单选题】
Poor Laura! I feel so sorry for her. When she fell, she hurt her arm and, ___, broke her glasses.
A. in advance
B. in addition
C. over time
D. on the other hand
【单选题】
Showing some sense of humor can be a(n) ___ way to deal with some stressful situations.
A. genuine
B. available
C. effective
D. favorite
【单选题】
It will be worth the efforts even if you fail; the rewards you ___ will be great.
A. reap
B. boast
C. assure
D. cultivate
【单选题】
He suggested transporting the supplies by air. But it is absolutely ___, for it will cost too much.
A. unusual
B. uncertain
C. impractical
D. impressive
【单选题】
The newspaper didn’t mention the ___ of the damage caused by the fire.
A. range
B. level
C. extent
D. quantity
【单选题】
Do you ___ her novels as serious literature or as mere entertainment?
A. classify
B. notify
C. simplify
D. justify
【单选题】
He doesn’t ___ of buying a house this year because the bank has refused to lend him any money.
A. afford
B. make the most
C. run out
D. stand a chance
【单选题】
If you don’t ___ cooking today, we can go out to eat at the new restaurant.
A. would like
B. go on with
C. feel like
D. figure out、
【单选题】
Bullying (恃强欺弱) can ___ a climate of fear and anxiety in school, and prevent students from focusing on their schoolwork.
A. keep back
B. give rise to
C. feel like
D. make use of
【单选题】
Science can now ___ many things which were thought to be mysterious by ancient people.
A. care for
B. lay out
C. account for
D. set up
【单选题】
The school has ___ many after-class activity groups for the pupils to make their spare time more colorful.
A. set up
B. set off
C. set out
D. set down
【单选题】
When he was a small kid, he ___ from his peers because he could read fast and remember whatever he rea D.
A. showed off
B. worked out
C. stood out
D. straightened up
【单选题】
The fall in the number of deaths from heart disease is generally ___ improvements in diet.
A. put up with
B. attributed to
C. added to
D. replaced with
【单选题】
We can be partners for now, but ultimately you have to ___ to develop a new software for our project.
A. keep up
B. fire off
C. make sense
D. take the lead
【单选题】
Emotional Intelligence (情商) could be of practical use in many ___ such as how companies decide which job applicant to hire, how parents should raise their children, how schools should teach the students, and so on.
A. aspects
B. disciplines
C. structures
D. opportunities
【单选题】
The teacher should praise students for their correct answers and also suggest ___ possibilities.
A. unlimited
B. unique
C. alternative
D. essential
【单选题】
In some classrooms, desks are arranged in a U-shape, so the teacher can ___ easily with the students.
A. interrupt
B. interact
C. interpret
D. interview
【单选题】
Computer technology ___ individuals to educate themselves and adapt to a constantly changing job market.
A. lets
B. makes
C. enables
D. provides
【单选题】
Our hope for an enjoyable dinner was instantly ___ when the waiter dropped a salad plate on my hea D.
A. spoiled
B. restricted
C. exploded
D. vanished
【单选题】
___ the world has ever seen has occurred in the information and communications technologies.
A. Great a change
B. The great change
C. A greatest change
D. The greatest change
【单选题】
___ so many people around, it wasn’t convenient to have a long talk with him.
A. As
B. When
C. With
D. Since
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使用吊轨车吊短轨的长度不超过___米。
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进行打磨时，非操作人员应离开作业区至少___米以上。
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进行锯轨时，非操作人员应离开作业区至少___米以上。
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正线中一组道岔中的第二处的轨距为___。
A. 1435
B. 1440
C. 1445
D. 1450
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车辆段中一组道岔中的第二处的轨距为___。
A. 1435
B. 1440
C. 1445
D. 1450
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在测量现场正矢中存在肥边，肥边大于___mm应铲除之。
【单选题】
地铁正线采用___道床，停车场采用(A)道床。
A. 无咋，有咋
B. 无咋，无咋
C. 有咋，有咋
D. 有咋，无咋
【单选题】
尖轨动程规定在第___连接杆(拉杆)中心处测量
【单选题】
正线线路中钢轨上的R代表___。
A. 超高
B. 一个字母
C. 正矢点
D. 半径
【单选题】
正线线路中钢轨上的H代表___。
A. 超高
B. 一个字母
C. 正矢点
D. 半径
【单选题】
正线线路中钢轨上的F代表___。
A. 超高
B. 一个字母
C. 正矢点
D. 半径
【单选题】
菱形道岔如何判定右股___。
A. 随意
B. 面向停车场或者车站左边
C. 都可以
D. 面向停车场或者车站右边
【单选题】
菱形道岔如何判定左股___。
A. 随意
B. 面向停车场或者车站左边
C. 都可以
D. 面向停车场或者车站右边
【单选题】
2号线正线60kg/m，9号单开道岔AT弹性可弯尖轨直向过岔允许最高速度为___km/h。
A. 60
B. 80
C. 120
D. 100
【单选题】
4号线正线60kg/m，9号单开道岔AT弹性可弯尖轨直向过岔允许最高速度为___km/h。
A. 140
B. 100
C. 120
D. 80
【单选题】
正线开通初期3个月内每___小时巡道一次，3个月后视情况可改为每(B)小时巡道一次。
A. 24 24
B. 24 48
C. 48 48
D. 48 72
【单选题】
人工巡道的周期间隔不应超过___小时。
【单选题】
车辆段、停车场所有道岔___巡查一遍，特殊情况下，根据调度部门下发的施工计划执行。
A. 24h
B. 48h
C. 72h
D. 每周
【单选题】
正线折返道岔、车辆段、停车场咽喉道岔应每___全面检查一次。
A. 每周
B. 每3天
C. 每两周
D. 每两天
【单选题】
正线道岔每___检查一次钢轨、轨端、尖轨、叉心等是否有肥边和波磨，并计划安排打磨。
【单选题】
正线及车辆段、停车场道岔每___检查一次钢轨、轨端、尖轨、叉心等是否有肥边和波磨，并有计划安排打磨。
【单选题】
每年在___季来临之前完成正线所有道岔及车辆段、停车场咽喉道岔的辙叉部分趾端和跟端接头拆检并涂油。
【单选题】
每年___月完成所有道岔和道岔前后轨缝调查和轨缝均匀工作并做好记录。
【单选题】
50kg/m钢轨曲线型尖轨7号道岔设计动程：___mm。
A. 160
B. 152
C. 120
D. 80
【单选题】
道岔两尖轨尖端相错量不得超过___mm。
【单选题】
冬季冰雪天气道岔除雪，做好地铁列车进出库前的道岔准备工作，并提前___小时进行除雪准备工作，保证地铁列车安全平稳的通过责任道岔。
【单选题】
正线轨道工班夜间保障人员必须做到晚间和凌晨地铁列车进出库前清扫冰雪，做好地铁列车进库前的准备工作，并提前___小时进行除雪准备工作，保证地铁列车安全平稳的通过道岔。
【单选题】
各工班责任分工道岔内的所有转辙部分应根据行车需要和冰雪情况确定除雪周期，而辙叉轮缘槽和护轨轮缘槽必须___小时彻底清除冰雪一次。
【单选题】
经地铁列车碾压过的翼轨轮缘槽，严禁大于___小时清除一次。
【单选题】
道岔两尖轨尖端距离大于6m时，则按不大于___‰的递减率递减，但中间应有不短于6mm的相等轨距段。
【单选题】
导曲线可根据需要设置6mm的超高，并在导曲线范围内按不大于___‰顺坡。
【单选题】
道岔辙叉部分查照间隔和护背距离应控制在___mm、(D)mm之间比较合适。
A. 1390～1393 1346～1348
B. 1391～1394 1345～1348
C. 1390～1394 1346～1348
D. 1391～1394 1346～1348
【单选题】
辙叉轮缘槽检查时标准宽度为___mm,容许误差为+3、-1mm。
【单选题】
辙叉护轨平直段轮缘槽检查时标准宽度为___mm，容许误差为+3、-1mm。
