【单选题】
___ energy under the earth must be released in one form or another, for example, an earthquake.
A. Accumulated
B. Gathered
C. Assembled
D. Collected
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相关试题
【单选题】
Please ___ me for my rudeness. I really do not know the custom here.
A. engaged
B. comfort
C. execute
D. forgive
【单选题】
Sometimes it is very difficult to ___ some of the English words. Even the native speaker cannot help.
A. decrease
B. create
C. define
D. delight
【单选题】
In the wife’s eyes, his ___ to their marriage life is far from perfect.
A. requirement
B. commitment
C. participation
D. reflection
【单选题】
This newspaper often ___ the government’s opinion, not the public opinion.
A. affects
B. reacts
C. reflects
D. recognizes
【单选题】
It is predicted that heavy rains are ___ to flood the area in a few days.
A. frightening
B. threatening
C. scattering
D. warning
【单选题】
I chose to work abroad to improve my career ___.
A. future
B. path
C. prospect
D. expect
【单选题】
Long before I ever went there, Africa was alive in my ___.
A. image
B. imaginary
C. imaginative
D. imagination
【单选题】
The spectacle of the aurora may appear to dazzle and ___ the observer’s eye.
A. enchant
B. charm
C. fascinate
D. draw
【单选题】
The top prize has enhanced the musician’s ___.
A. fame
B. status
C. courage
D. faith
【单选题】
Compared with Westerners, the ___ use less butter. They prefer the very healthful peanut oil.
A. foreigners
B. Southerners
C. Northerners
D. Orientals
【单选题】
Within a few days she had become seriously ill, ___ great pain and discomfort.
A. surviving
B. suffering
C. affecting
D. accepting
【单选题】
People of their generation who lived through World War II have ___ memories of confusion and incompetence.
A. vivid
B. strong
C. acute
D. profound
【单选题】
Not a breath of fresh air ___ the long white curtains.
A. blew
B. stirred
C. whirled
D. stung
【单选题】
Figures showed customer complaints had ___ to record levels and profits were falling.
A. added
B. climbed
C. accumulated
D. soared
【单选题】
Thanks for the advice, but this is something I have to ___ out myself.
A. fulfill
B. identify
C. figure
D. claim
【单选题】
A ___ monument has been erected in Tian An Men Square in honor of the people’s heroes.
A. magnificent
B. gorgeous
C. huge
D. marvelous
【单选题】
Vietnam made an official ___ that the meeting be postponed.
A. require
B. requirement
C. request
D. agreement
【单选题】
Luke was allowed to sit directly behind the pilot and ___ with him.
A. converse
B. inverse
C. perverse
D. diverse
【单选题】
Maybe this work is not ___, but it will live for a while.
A. mortal
B. deadly
C. immortal
D. worldly
【单选题】
This is why emerging economies set themselves to ___ vast foreign currency reserves in this decade.
A. gather
B. accumulate
C. accelerate
D. assemble
【单选题】
This will enable the audience to sit in ___ while watching the shows.
A. comfort
B. rest
C. relax
D. cozy
【单选题】
Throughout the house, the views are a constant source of surprise and ___.
A. grief
B. pleasant
C. happy
D. delight
【单选题】
Imagination is sometimes more ___ than reality.
A. vivid
B. real
C. bright
D. rich
【单选题】
It is but a step from the ___ to the ridiculous.
A. interest
B. top
C. bottom
D. sublime
【单选题】
My educational ___ is simple: learning should be fun.
A. philosophy
B. psychology
C. physiology
D. physics
【单选题】
I chose to work abroad to improve my career ___.
A. future
B. path
C. prospect
D. expect
【单选题】
Meg stared at her ___ in the bedroom mirror.
A. shadow
B. reflection
C. figure
D. shape
【单选题】
Such technology, however, remains firmly in the ___ of science fantasy.
A. realm
B. region
C. direction
D. district
【单选题】
Long before I ever went there, Africa was alive in my ___.
A. image
B. imaginary
C. imaginative
D. imagination
【单选题】
As a member of the International Olympic Committee her fares and hotel ___ were paid by the IOC.
A. fees
B. allowances
C. expenses
D. money
【单选题】
If they were captured they wished to die, believing that they would go to ___.
A. parasite
B. paradise
C. paraphrase
D. paralyze
【单选题】
Have you ever read Jane Austin's ___ novel Pride and Prejudice?
A. classical
B. class
C. classified
D. classic
【单选题】
She says that being with a ___ mate, one will naturally forget all the worries.
A. heart
B. spirit
C. soul
D. brain
【单选题】
For teenagers, pregnancies, alcoholism, drugs and ___ are all part of the same sad resume.
A. dropouts
B. drop-in
C. drop-off
D. drop-by
【单选题】
The teacher required that no books ___ all over the place in the study.
A. are scattered
B. be scattered
C. were scattered
D. have scattered
【单选题】
Herbs have been used for centuries to endow a whole range of foods ___ subtle flavors.
A. for
B. in
C. with
D. by
【单选题】
He ___receive two specific compliments than twenty vague generalities.
A. should rather
B. would rather
C. would better
D. had rather
【单选题】
Orlando, a city in Florida, ___ for its main attraction, Magic Kingdom.
A. which is well known
B. is well known
C. well known
D. being well known
【单选题】
Jim is sorry ___ so impolite to your guest last Saturday.
A. to be
B. having been
C. being
D. to have been
【单选题】
在世界战争史上第一次被人们称作“信息战争”的战例是()。
A. 第四次中东战争
B. 科索沃战争
C. 海湾战争
D. 阿富汗战争
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814.总磨耗=垂直磨耗+1/2侧面磨耗。___
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815.垂直磨耗在钢轨顶面宽1/2处___测量。___
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816.侧面磨耗在钢轨踏面___下16mm处测量。___
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820.更换夹板在来车前，最低限度上足2个螺栓。___
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825.混凝土轨枕扣件应经常保持位置正确，轨距挡板应靠贴轨底边。___
【填空题】
826.在线路曲线地段，应根据曲线半径和实测行车速度，在外股钢轨合理设置超高。___
【填空题】
827.温度应力式无缝线路，一般由固定区、伸缩区、缓冲区三部分构成。___
【填空题】
828.缓和曲线与直线连接处不得有反弯或“鹅头”。___
【填空题】
829.钢轨伤损分为重伤、轻伤和折断三类。___
【填空题】
830.联结零件把钢轨联结起来，使钢轨接头部分具有与钢轨一样的整体性，以抵抗弯曲和位移。___
【填空题】
831.作业休息时，不准坐钢轨、枕木头及道心。___
【填空题】
832.异性接头的联结应使两钢轨工作面轨距线与轨顶最高点水平线都相吻合。___
【填空题】
833.轨道维修贯彻“预防为主，防治结合，修养并重”的原则。___
【填空题】
834.弹条扣件的弹条中部前端下颏应靠贴轨距挡板或扭矩保持在80～150 N•m。___
【填空题】
835.复曲线应在正矢递减范围内，从较大超高向较小超高均匀顺坡。___
【填空题】
836.轨距加宽值应在缓和曲线范围内递减，无缓和曲线时，在直线地段递减。递减率不宜大于2‰。___
【填空题】
837.滑床板损坏、变形或滑床台磨耗大于5mm时，需及时更换。___
【填空题】
838.信号标志顺地铁列车运行方向设于轨道线路左侧。___
【填空题】
839.接触网地段需要拨道时，线路中心位置不得超过±30mm，一年单侧累计拨道量不得超过120mm，超过者需经接触网专业配合。___
【填空题】
840.曲线两端直线轨向不良，一般应事先拨正，两曲线间直线段较短时，可与两线同时计算、拨正。___
【填空题】
841.螺纹道钉改道时，应用木塞填满钉孔，钻孔后旋入道钉，可以锤击螺纹道钉___
【填空题】
842.起、拨道机可以安放在铝热焊焊缝处。___
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843.混凝土枕无缝线路，当轨温在实际锁定轨温减30℃以下时，伸缩区和缓冲区禁止进行维修作业。___
【填空题】
844.当发现线路连续出现3～5mm的碎弯时，必须加强巡查___，观测轨温和线路方向的变化。___
【填空题】
845.正线缓冲区轨缝应保持在构造轨缝值范围内，最大不得超过20mm，如轨缝大于规定值，应进行插入短轨头调整。___
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846.为了满足上面对钢轨使用性能的要求，钢轨断面采用抗弯最佳的“H”字形。___
【填空题】
847.为提高钢轨耐磨和抗压性能，应对钢轨进行全长淬火处理。___
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848.垂直磨耗一般情况下随着轴重和通过总重的增加而增大。___
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849.每块夹板上的螺栓孔6个，圆形孔与长圆形孔相间。___
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850.扣板式扣件主要由扣板、螺纹道钉、弹簧垫圈、铁座及绝缘缓冲垫板组成。___
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851.轨距挡板的作用是调整轨距，传递钢轨的横向水平推力。___
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852.轨枕上面支承钢轨的部分称为承轨槽，做成1：20的斜面,以适应轨底坡的要求。___
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853.轨枕底面宽度应同时满足减少道床压力和便于捣固两方面的要求。___
