【单选题】
They have never heard any ___.
A. a customer complaint
B. the customer's complaints
C. customer's complaint
D. the customers' complaints
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
C
解析
暂无解析
相关试题
【单选题】
He is not a child ___.
A. no more
B. no longer
C. any much
D. any more
【单选题】
The retired man is used to ___ his two dogs early in the morning.
A. exercise
B. exercising
C. exercised
D. exercises
【单选题】
It was not ___ midnight that they discovered the children were not in their bedroom.
A. before
B. at
C. after
D. until
【单选题】
Young ___ he is, he knows how to get along with others.
A. like
B. as
C. although
D. however
【单选题】
Could you show me where the___ shoes are?
A. Women
B. womens
C. woman
D. women's
【单选题】
He succeeded ___ out a lot of things entirely new in the world.
A. in working
B. to work
C. working
D. at working
【单选题】
It took me a long time to ___ the disappointment of failing the exam.
A. get over
B. get up
C. get into
D. get down
【单选题】
She ___ 100 pages of the book today.
A. has already read
B. already reads
C. already read
D. was already read
【单选题】
He has been ___ for nearly three weeks after the death of his dear pet.
A. sad
B. satisfied
C. evil
D. joyful
【单选题】
One cannot learn a foreign language well ___he studies hard.
A. unless
B. if
C. as
D. when
【单选题】
A large number of people___ present at the meeting, which was out of our expectation.
A. was
B. were
C. have
D. has
【单选题】
When the girls saw the funny man, they couldn't ___ laughing.
A. keep from
B. keep on
C. keep away
D. keep at
【单选题】
We are glad that we finally managed to get into contact ___ them.
A. at
B. on
C. from
D. with
【单选题】
This kind of plant___a lot of water at all times.
A. assumes
B. limits
C. produces
D. requires
【单选题】
Look! Here ___ the famous player.
A. comes
B. come
C. had come
D. coming
【单选题】
Uncle Sam sent him a___ bicycle as a birthday present.
A. red sports new
B. sports new red
C. new sports red
D. new red sports
【单选题】
I couldn't find my English-Chinese dictionary___.
A. anywhere
B. everywhere
C. nowhere
D. somewhere
【单选题】
The plane was about to___, and yet I left my ticket behind.
A. take off
B. take on
C. take up
D. take in
【单选题】
John succeeded ___ what he wanted.
A. to get
B. to getting
C. in getting
D. and getting
【单选题】
The accident was ___ to careless driving.
A. for
B. likely
C. due
D. because
【单选题】
With a good command of reading skills, most students can manage to read ___as they could the year before.
A. as twice fast
B. as fast as twice
C. as twice as fast
D. twice as fast
【单选题】
Some famous singers live on the ___from their record sales.
A. salary
B. price
C. bill
D. income
【单选题】
_____of them thinks that is a good idea.
A. Anyone
B. No one
C. None
D. Someone
【单选题】
Don't be too ___about things you're not supposed to know.
A. strange
B. amusing
C. curious
D. conscious
【单选题】
It was in 1969 ___the American astronauts succeeded in landing on the moon.
A. when
B. the moment
C. which
D. that
【单选题】
___people in the world are sending information by e-mail every day.
A. Several million
B. Many millions
C. Several millions
D. Many million
【单选题】
He___less time reading stories about film stars than before.
A. takes
B. spends
C. costs
D. pays
【单选题】
Selecting a mobile phone for personal use is no easy task because technology___so rapidly.
A. is changing
B. has been changed
C. will have changed
D. will change
【单选题】
The taxi driver always reminds passengers to ___their belongings when they leave the car.
A. keep
B. catch
C. hold
D. take
【单选题】
Little Tom is used to getting up ___eight every morning.
A. at
B. on
C. in
D. of
【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】
If Mary___shopping this afternoon, please ask her to write a shopping list first.
A. will go
B. goes
C. went
D. has gone
【单选题】
These desks and chairs ___to the children in the mountain villages next week.
A. are sent
B. will send
C. have sent
D. will be sent
【单选题】
Every society has its own peculiar customs and ___of acting.
A. attitudes
B. behavior
C. ways
D. means
【单选题】
China is ___the Great Wall.
A. on
B. famous
C. famous for
D. famous as
【单选题】
The dog was tearing the cloth___its teeth.
A. with
B. by
C. through
D. in
【单选题】
A man should not be judged always ___what he says.
A. by
B. in
C. with
D. to
【单选题】
We will have a ___holiday after the exam.
A. two month
B. two-month
C. two month's
D. two-months
【单选题】
Mr Wang is going to teach you maths ___one year.
A. with
B. on
C. for
D. to
【单选题】
The population of the earth ___increasing fast.
A. is
B. are
C. were
D. have been
推荐试题
【多选题】
停车场AT曲线型尖轨侧向过岔允许最高速度为___km/h。
A. 15
B. 25
C. 35
D. 30
【多选题】
正线AT直线型尖轨侧向过岔允许最高速度为___km/h。
A. 25
B. 20
C. 30
D. 35
【多选题】
停车场AT曲线型尖轨直向过岔允许最高速度为___km/h。
A. 60
B. 55
C. 50
D. 65
【多选题】
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()小时巡道一次。
A. 24 24
B. 24 48
C. 48 48
D. 48 72
【多选题】
人工巡道的周期间隔不应超过___小时。
A. 72
B. 48
C. 24
D. 60
【多选题】
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
【多选题】
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
【多选题】
正线普通道岔___全面检查一次。
A. 每天
B. 每月
C. 每周
D. 每两周
【多选题】
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。
A. 年
B. 半年
C. 三个月
D. 月
【多选题】
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。
A. 春
B. 夏
C. 秋
D. 冬
【多选题】
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。
A. 12
B. 11
C. 10
D. 9
【多选题】
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
【多选题】
道岔两尖轨尖端相错量不得超过___mm。
A. 16
B. 12
C. 10
D. 8
【多选题】
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。
A. 1
B. 2
C. 3
D. 4
【多选题】
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。
A. 2
B. 1.5
C. 0.5
D. 1
【多选题】
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。
A. 48
B. 24
C. 36
D. 72
【多选题】
经地铁列车碾压过的翼轨轮缘槽,严禁大于___小时清除一次。
A. 24
B. 36
C. 48
D. 72
【多选题】
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。
A. 6
B. 5
C. 4
D. 3
【多选题】
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。
A. 1
B. 2
C. 3
D. 4
【多选题】
道岔辙叉部分查照间隔和护背距离应控制在___mm、()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
【多选题】
辙叉轮缘槽检查时标准宽度为___mm,容许误差为+3、-1mm。
A. 50
B. 48
C. 46
D. 44
【多选题】
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。
A. 40
B. 42
C. 44
D. 46
【多选题】
尖轨非工作边与基本轨工作边的最小距离为___mm,容许误差为-2mm。
A. 50
B. 55
C. 60
D. 65
【多选题】
护轨轮缘槽和辙叉轮缘槽宽度之和应不小于___mm。
A. 90
B. 89
C. 88
D. 87
【多选题】
钢轨伤损分为___三类。
A. 轻伤、重伤和折断
B. 微伤、轻伤和重伤
C. 微伤、重伤和折断
D. 中伤、重伤和折断
【多选题】
辙叉伤损分___两类。
A. 轻伤和折断
B. 微伤和重伤
C. 轻伤和重伤
D. 轻伤和折断
【多选题】
侧面磨耗在钢轨踏面(按标准断面)下___mm处测量。
A. 10
B. 12
C. 14
D. 16
【多选题】
60kg/m钢轨顶面擦伤深度超过___mm为钢轨重伤
A. 1
B. 2
C. 3
D. 4
【多选题】
60kg/m钢轨顶面上有长大于___mm,深大于10mm的掉块为钢轨折断标准之一。
A. 70
B. 60
C. 50
D. 40
【多选题】
基本轨垂直磨耗,60kg/m及以上钢轨,在正线、试车线上超过___mm,在其他线上超过()mm,应及时修理或更换。
A. 8 12
B. 8 11
C. 10 12
D. 10 11
【多选题】
基本轨垂直磨耗,50kg/m及以下钢轨,在正线、试车线上超过___mm,在其他线上超过()mm,应及时修理或更换。
A. 8 12
B. 8 10
C. 6 10
D. 6 12
【多选题】
滑床板损坏、变形或滑床台磨耗大于___mm,应及时修理或更换。
A. 8
B. 6
C. 4
D. 3
【多选题】
尖轨尖至第一牵引点(分动外锁闭)或者连接杆(联动内锁闭)处,尖轨侧面磨耗达到___mm,可有计划进行更换。
A. 8
B. 6
C. 4
D. 2
【多选题】
巡查时应严格执行工务中心编制的巡查图巡查(如遇作业令冲突时,以作业令为主进行适当调整),以___km/h左右的速度全面查看道岔,重点部位应细查慢看。
A. 500%
B. 400%
C. 300%
D. 200%
【多选题】
岔枕失效标准之一是机械磨损,经削平或除去腐朽木质后,其厚度不足___mm
A. 70
B. 80
C. 90
D. 100
【多选题】
尖轨尖端至尖轨跟前后5米内,冰雪必须低于轨顶面___cm,并距左右基本轨外侧60cm。
A. 25
B. 20
C. 15
D. 10
【多选题】
钢轨接头轨面或内侧错牙不得大于___mm。
A. 1
B. 2
C. 3
D. 4
【多选题】
轨端肥边大于___mm时,应及时处理。
A. 2
B. 3
C. 4
D. 5
【多选题】
波浪型磨耗谷深大于___mm时,应进行打磨。
A. 2
B. 1.5
C. 1
D. 0.5
【多选题】
60kg/m钢轨9号单开道岔___顶铁处冰雪必须彻底清除干净,保障该处尖轨内侧不得遗留冰雪。
A. 第一
B. 第二
C. 第一、第二
D. 第二、第三