【单选题】
The grey building is the place where the workers live, and the white building is the place where the spare parts _________ .___
A. are producing
B. are produced
C. produced
D. being produced
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相关试题
【单选题】
Once environmental damage ___________, it takes many years for the system to recover.___
A. is to do
B. does
C. had done
D. is done
【单选题】
We worked hard and completed the task ________.___
A. in the time
B. on the time
C. ahead of time
D. before time
【单选题】
I didn't expect you to turn __________ at the meeting yesterday.___
A. up
B. to
C. out
D. over
【单选题】
Mike is better than Peter _________ swimming.___
【单选题】
Eggs, though rich in nourishments, have ___________ of fat.___
A. a large number
B. the large number
C. a large amount
D. the large amount
【单选题】
His salary as a driver is much higher than _____________.___
A. a porter
B. is a porter
C. as a porter
D. that of a porter
【单选题】
I have been looking forward to__________ from my parents.___
A. hear
B. being heard
C. be heard
D. hearing
【单选题】
The manager will not __________ us to use his car.___
A. have
B. let
C. agree
D. allow
【单选题】
__________ her and then try to copy what she does.___
A. Mind
B. See
C. Stare at
D. Watch
【单选题】
It's bad __________ for you to smoke in the public places where smoking is not allowed.___
A. behavior
B. action
C. manner
D. movement
【单选题】
— I think John and Peter will.___
A. carry out
B. get through
C. take in
D. set aside
【单选题】
If she wants to keep slim, she must make a ________ in her diet.___
A. change
B. turn
C. run
D. go
【单选题】
___________ the War of Independence, the United States was an English colony.___
A.
B. efore B. At
C. In
D. Between
【单选题】
A police officer claimed he had attempted to _________ paying his fare.___
A. avoid
B. reject
C. refuse
D. neglect
【单选题】
He is not seriously ill, but only a _________ headache.___
A. obvious
B. delicate
C. slight
D. temporary
【单选题】
On average, a successful lawyer has to talk to several _________ a day.___
A. customers
B. supporters
C. guests
D. clients
【单选题】
What is the train _________ to Birmingham?___
A. fee
B. tip
C. fare
D. cost
【单选题】
He put forward a theory, _______ of great importance to the progress of science of technology.___
A. I think which is
B. which I think is
C. which is I think
D. I think it is
【单选题】
If the doctor had been available, the child ____________.___
A. would not die
B. could not have died
C. might not die
D. should not have died
【单选题】
The music sounded _______. I enjoyed every minute of it.___
A. well
B. boring
C. wonderfully
D. beautiful
【单选题】
Put it down, Richard. You mustn't read ______letter. ___
A. anyone's else's
B. anyone's else
C. anyone else's
D. anyone else
【单选题】
I saw that she was in difficulty with all those parcels, so I offered my_____.___
A. service
B. money
C. use
D. chance
【单选题】
We were all surprised when he made it clear that he _____________office soon.___
A. leaves
B. would leave
C. left
D. had left
【单选题】
The electric fan has blown away the terrible smell in the hall, ______?___
A. can't it
B. isn't it
C. hasn't it
D. doesn't it
【填空题】
In every cultivated language there are two great classes of words which, taken together, comprise the whole vocabulary. First, there are those words ___ which we become acquainted in daily conversation,
【填空题】
which we ___,that is to say, from the members of our own family and from our familiar associates,
【填空题】
and which we should know and use ___ we could not read or write.
【填空题】
They ___the common things of life,
【填空题】
and are the stock in trade of all who___the language. Such words may be called “popular”,
【填空题】
since they belong to the people___and are not the exclusive share of a limited class. On the other hand,
【填空题】
our language___a multitude of words which are comparatively seldom used in ordinary conversation. Their meanings are known to every educated person,
【填空题】
but there is little___to use them at home or in the market-place.
【填空题】
Our___acquaintance with them comes not from
【填空题】
our mother’s___or from the talk of our school-mates
【填空题】
,___from books that we read,
【填空题】
lectures that we___,or the more formal conversation of highly educated
【填空题】
speakers who are discussing some particular___in a style appropriately elevated above
【填空题】
the habitual___of everyday life. Such words are called “learned”,
【填空题】
and the___between them and the “popular” words is of great importance to a right understanding of linguistic process.
【单选题】
团的全称是： ___
A. 中国共青团
B. 中国青年团
C. 共产主义青年团
D. 中国共产主义青年团
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【多选题】
一定频率的超声波通过声速低的材料时，其波长将比通过声速高的材料时___。
A. 一样
B. 增长
C. 减短
D. 成倍增长
【多选题】
缺陷的当量尺寸总是___缺陷的实际尺寸。
A. 小于
B. 等于
C. 大于
D. 小于或等于
【判断题】
更换钢轨作业的目的是维持线路良好状态，确保地铁列车行车安全
【判断题】
换入钢轨与换出钢轨类型不同时，需配备异型夹板及异型垫板
【判断题】
切割钢轨时要用电锯全断面锯轨，并使轨顶面与轨头断面垂直，钻眼时要倒棱
【判断题】
换轨段为混凝土枕时，应按规定拆卸扣件及接头夹板。拆卸完应整体摆放到相应位置
【判断题】
换轨时，轨下大胶垫不得缺少，压溃或缺损的不用换掉
【判断题】
换轨段为混凝土枕时，应按规定拆卸扣件及接头夹板
【判断题】
轨道线路的三大薄弱环节为：道床、曲线、接头
【判断题】
接头通常面临的问题是：错牙，松动，轨缝过大，瞎缝，螺栓用力不均等
【判断题】
普通钢轨接头鱼尾板安装作业时应在施工区域前后100m设置红闪灯，进行线路封锁
【判断题】
普通钢轨接头鱼尾板安装前应将润滑油脂涂在钢轨接头和轨头表面
【判断题】
普通钢轨接头鱼尾板螺栓扭一般需要达到500-700N.m
【判断题】
更换铁垫板时，不同轨底坡的铁垫板可混合使用
【判断题】
更换铁垫板时，更换的铁垫板要与既有的钢轨类型一致
【判断题】
测量轨距时，将轨距尺的固定端紧贴一条钢轨的非工作边，另一端放置在另一股钢轨工作边上，并左右移动，直至到最小间距，此时刻度就是准确轨距值
【判断题】
轨距尺垂直线路中心线架设在钢轨顶面，读取水平尺的气泡靠近末端相对应的值则为准确水平值
【判断题】
轨道巡视的最终目标为维持一个既安全又可靠的地铁列车服务
【判断题】
正线开通初期3个月内每24小时巡查一遍
【判断题】
巡道时应以5km/h左右的速度全面查看线路、道岔
【判断题】
巡查时如线路、道岔发生影响行车故障，应立即排查处理并按汇报制度规定向上汇报
【判断题】
轨道伤损检查作业的目的为钢轨伤损检查提供指导
【判断题】
当钢轨伤损被发现，检查及评估对地铁列车行驶安全的影响后，会帮助及时更换、临时维修、定期检查伤损情况以便日后做出更换的决定
【判断题】
线路巡查人员巡经伤损钢轨时，要小心检视，比对伤损的资料，如发现有伤损发展情况，根据钢轨伤损现场标记规定用油漆进行标记，且必须立即通知线路工班长
【判断题】
道岔因其构造特点和行车条件都比较复杂，零配件也比较多，是线路的薄弱环节之一，提高道岔的维修质量是保证地铁列车安全平稳通过的必要条件
【判断题】
起道地段要有足够的道砟，全面起道，起道量超过40mm时一般应用仪器测量并设置起道标桩，按标桩起道
【判断题】
道岔全面起道时，按计划标好起道量，看道与指挥起道，起道可分为转辙部分、连接部分、辙叉部分、叉后长轨部分
【判断题】
道岔改道作业可以按照转辙部分，连接部分，辙叉部分分段进行
【判断题】
测量曲线正矢时，弦线不用拉紧，弦线的两端位置和量尺位置要正确
【判断题】
正矢用20m弦在钢轨踏面下18mm处测量
【判断题】
起道是将线路低洼处所起高，以找平轨面、改善道床弹性
【判断题】
起道分重起和全起两种，是养路工作中技术要求较高的作业
【判断题】
起道一般由三人互相配合作业，一人看道、量水平、一人抬道，另一人打塞
【判断题】
每次起道长度，应根据地铁列车间隔时分确定，要求在地铁列车到来前，能完成起道地段的捣固和顺撬
