【多选题】
属于路基维修工作内容的有?___
A. 清除路堑边坡上的弃土
B. 全面整修路基
C. 铲低或填补路肩
D. 清理路基杂草
E. 全面清理路基排水沟
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答案
ACDE
解析
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相关试题
【多选题】
属于钢轨维修工作内容的有?___
A. 临时加固处理、永久处理伤损钢轨
B. 整治钢轨接头错牙
C. 更换50m及以上的钢轨
D. 处理钢轨的串动、爬行情况
E. 利用打磨车对波磨和侧磨钢轨进行打磨
【多选题】
拨道操作过程中安全事项有___?
A. 非操作人员应确保远离拨道机至少1m安全距离
B. 拨道机拨道完成后,保险务必到位
C. 严禁骑跨撬棍,不准肩扛撬棍
D. 拨道时,撬棍要插牢,以防止撬棍滑出伤人
E. 拨道时,可以在撬棍对面进行作业
【多选题】
道砟,小零件等散料在地面碎石道床的堆放应满足以下要求?___
A. 离开最近一股钢轨内侧不小于810 mm
B. 堆放的材料坡度不得陡于45°
C. 两线间材料的堆高不得超过轨面300 mm
D. 堆放的材料坡度不得陡于60°
E. 离开最近一股钢轨内侧不小于910 mm
【多选题】
线路综合维修主要包括___内容?
A. 线路设备质量动态检查
B. 轨道几何尺寸和扣件扭矩静态检查
C. 钢轨探伤
D. 改道,拨道,调整轨道、道岔各部分尺寸,全面拨正曲线
E. 矫直钢轨硬弯,焊补、打磨钢轨,综合整治接头病害
【多选题】
线路临时补修主要包括___内容?
A. 整修轨道几何尺寸超过临时补修允许偏差管理值的处所
B. 进行无缝线路地段钢轨折断、重伤钢轨和重伤焊缝的紧急处理和临时处理
C. 其他影响行车安全的病害和需要临时补修的工作
D. 更换或整治失效无砟道床。
E. 其他需要临时补修的工作
【多选题】
线路大修必须成段进行,并按设计施工,主要包括___内容?
A. 按设计校正线路纵断面和平面
B. 全面更换新钢轨或再用轨及其联结零件
C. 更换当年失效的轨枕并修理线路伤损轨枕,按规定补充轨枕的配置根数
D. 清筛道床,补充道砟、全起全捣,改善道床断面
E. 补充和修理线路标志,设置常备材料
【多选题】
线路设备状态和线路保养质量的主要技术指标有___?
A. 线路设备状态评定合格率
B. 道岔设备状态评定合格率
C. 线路保养质量评定合格率
D. 道岔保养质量评定合格率
E. 轨道检测车检测质量合格率
【多选题】
使用木枕(含木岔枕)应遵守___规定?
A. 木枕宽面在下,顶面与底面同宽时,应使树心一面向下
B. 接头处使用质量较好的木枕
C. 改道用的道钉孔木片规格为:长110mm,宽15mm,厚5至10mm,并经过防腐处理
D. 除道岔内专用轨枕外,非同类型轨枕不得混铺
E. 正线应做到接头轨枕无失效,其它处所无连续失效(含岔枕)
【多选题】
混凝土轨枕(含混凝土短轨枕、混凝土岔枕)失效标准有___?
A. 明显折断
B. 纵向通裂: 挡肩顶角处缝宽大于1.5mm;纵向水平裂缝基本贯通(缝宽大于0.5mm)
C. 横裂(或斜裂)接近环状裂纹(残余裂缝宽度超过0.5mm或长度超过2/3枕高)
D. 有明显裂纹
E. 挡肩破损,接近失去支承能力(破损长度超过挡肩长度的1/2)
【多选题】
木枕(含木岔枕)失效标准有___?
A. 腐朽失去承压能力,钉孔腐朽无处改孔,不能持钉
B. 木枕存在缺口
C. 折断或拼接的接合部分离,不能保持轨距
D. 机械磨损,经削平或除去腐朽木质后,其厚度不足100mm
E. 劈裂或其他伤损,不能承压、持钉
【多选题】
尖轨存在下列___伤损或病害,应及时维修或更换?
A. 尖轨尖端与基本轨不靠贴
B. 尖轨侧弯造成轨距不符合规定
C. 尖轨中轨距大2mm
D. 尖轨尖有油
E. 在尖轨轨顶面宽50mm及以上断面处,尖轨顶面低于基本轨顶面2mm及以上(尖轨工作面伤损,继续发展,轮缘有爬上尖轨的可能)
【多选题】
无缝线路设置位移观测桩的标准有?___
A. 在条件允许情况下,宜积极采用钢轨测标测量无缝线路锁定轨温技术,钢轨测标每150m设1处
B. 无缝道岔设3对观测桩,在间隔铁或限位器处设1对,在岔头、岔尾处各设1对
C. 每段无缝线路应设位移观测桩5~7对,固定区较长时,可适当增加对数(其中固定区中间点1对,伸缩区始、终点各1对,其余设置在固定区)
D. 位移观测桩必须预先埋设牢固,在长轨条就位后,或长轨条拉伸到位后,应立即进行标记(标记应明显、耐久、可靠)
E. 在条件允许情况下,宜积极采用钢轨测标测量无缝线路锁定轨温技术,钢轨测标每50m或100m设1处
【多选题】
高架桥上无缝线路养护维修工作应注意___工作?
A. 按照设计文件规定,保持扣件布置方式和拧紧程度
B. 对桥上钢轨焊缝应加强检查,发现伤损应及时处理
C. 对桥上伸缩器的伸缩量应定期检查,发现异常爬行,应及时分析原因并整治
D. 对桥上钢轨焊缝应加强检查,发现伤损应做好记录观察
E. 桥上无缝线路应定期测量长轨条的爬行量,并做好记录。固定区爬行量超过10mm时,应分析原因,及时整治
【多选题】
道岔临时补修的主要内容有?___
A. 整修道岔几何尺寸超过临时补修容许偏差管理值的处所
B. 调整严重不良轨缝
C. 疏通严重淤塞的排水设备,处理严重冲刷的路肩和道床
D. 整修和补充缺失损坏的道岔联结零件
E. 垫入或撤出损坏垫板、胶垫
【多选题】
道岔钢轨养护维修标准有___?
A. 钢轨硬弯用1m直尺测量,矢度大于0.5mm时应矫直
B. 钢轨接头轨面或内侧错牙不得大于2mm
C. 轨端肥边大于2mm时,应及时处理
D. 波浪型磨耗谷深大于0.5mm时,应进行打磨
E. 轨面擦伤和剥落掉块接近或达到轻伤标准时应焊补
【多选题】
拨道作业的要求有___?
A. 大方向直顺无漫弯
B. 曲线无额头,无反弯
C. 由于拨道引起的轨缝、水平、道床发生变化或产生空吊板等必须按标准恢复
D. 拨道量及一侧年累计拨道量不得超过规定要求并不得侵入规定限界
E. 单次拨道量最大不超过100mm
【多选题】
下列说法正确的是___
A. 轨距是左右两股钢轨内侧顶面以下16mm的距离处,两作用边之间的水平距离
B. 直线轨距标准规定1435mm
C. 直线轨距标准规定1440mm
D. 轨距是左右两股钢轨内侧顶面以下12mm的距离处,两作用边之间的水平距离
E. 高低是指钢轨顶面沿钢轨方向的竖向凹凸不平顺
【多选题】
下列关于三角坑的说法正确的是?___
A. 在检查三角坑时,基长为6.25m,但在延长18m的距离内应不允许出现三角坑
B. 在检查三角坑时,基长为12.5m,但在延长18m的距离内应不允许出现三角坑
C. 三角坑有可能使车辆的四个车轮只有三个正常压紧钢轨,另一个悬空
D. 三角坑对列车运行安全无影响
E. 线路上如果发现超限三角坑,必须及时消除
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【单选题】
18. —We can invite our teachers to the farewell party next Saturday.
—Yes, ______? I’ll call them at once.
A. what for B. what C. why not D. why
A. A
B. B
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19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years.
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21.—Why not take ____ umbrella with the sign “Made in China”? It is useful.
—What _______ good advice it is!
A. an; a B. a; a C. an; \ D. \; a
A. A
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【单选题】
22. —Do you know the boy________ is sitting next to Peter?
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A. or B. though C. but D. so
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【单选题】
24.—You can use MSN to talk with Vivien on the Internet.
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【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ?
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A. What B. Where C. Which D. Why
A. A
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C. C
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【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A.England. B.France. C.America. D.China.
A. A
B. B
C. C
D. D
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A.He cares more about a flower and a sheep.
B.He meets many more strange adults on other planets.
C.He realizes his love for the rose and he goes back to his planet.
D.He discovers interesting things such as a snake, other roses and a fox
A. A
B. B
C. C
D. D
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________.
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C.a rose and a fox D.the adventure of a young prince
A. A
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C. C
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【单选题】
( ) 29. What is the writer's main purpose(目的)in writing this passage?
A.To tell the readers his life story.
B.To tell people what kind of person his father was.
C.To tell the readers what present he got from his father.
D. To let people know how poor he was.
A. A
B. B
C. C
D. D
【单选题】
( ) 30. Why did the father not ask his son not to do this and do that?
A.Because he felt quite confident of his son.
B.Because he was born from a poor family.
C.Because he was a man of few words.
D.Because he didn't want to be much too strict with his son.
A. A
B. B
C. C
D. D
【单选题】
( ) 31. What would someone learn from this passage?
A.How to live by oneself. B.How to stand on one's own feet.
C.What a good father should do. D.What the self-important is like.
A. A
B. B
C. C
D. D
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage?
A.闲暇时光 B.学费 C.精神空虚 D.经济不足
A. A
B. B
C. C
D. D
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
A. A
B. B
C. C
D. D
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
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B. wanted to know what it really meant
C. decided to write it on a warehouse wall
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A. A
B. B
C. C
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【单选题】
( ) 35. Who came up with the phrase according to the passage?
A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
A. A
B. B
C. C
D. S
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
A. A
B. B
C. C
D. D
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
A. A
B. B
C. C
D. D
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
A. A
B. B
C. C
D. D
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
A. A
B. B
C. C
D. D
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
A. A
B. B
C. C
D. D
【单选题】
) 1. Even Tony’s six-year-old son asked him ______ smoking.
A. stops B. stopped C. to stop D. stopping
A. A
B. B
C. C
D. D
【单选题】
2.—What do you think of the lecture of Li Yang’s Crazy English?
— I think it’s _______ , but someone thinks it’s much too ________.
A. wonderful enough; bored B. enough wonderful; boring
C. enough wonderful; bored D. wonderful enough; boring
A. A
B. B
C. C
D. D
【单选题】
3.—He didn’t go to the lecture this morning, did he?
— _____ .Though he was not feeling very well.
A. No, he didnt B. Yes; he did C. No, he did D. Yes, he didnt
A. A
B. B
C. C
D. D
【单选题】
4. If you read a lot, your life ______ full of pleasure.
A. will be B. is C. be D. was
A. A
B. B
C. C
D. D
【单选题】
5. The black bag _________ be Annas. She has a blue one.
A. should B. cant C. wouldnt D. could
A. A
B. B
C. C
D. D
【单选题】
6. Susan, why are you still here? They are all ready to start.
Im sorry, but I _________ when to start.
A. dont tell B. wasnt told C. didnt tell D. havent told
A. A
B. B
C. C
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【单选题】
7.—Why dont you choose the red tie?
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A. fix B. accept C. compare D. match
A. A
B. B
C. C
D. D
【单选题】
8. — Could you tell me ______? I must find him.
— Sorry.I don’t know.But he was here just now.
A. where Tom was B. where Tom is
C. where has Tom gone D. where can I find Tom
A. A
B. B
C. C
D. D
【单选题】
9. —What did Mr Green say to you?
— What a heavy rain! How did you come here? He asked________.
A. at all B. in fact C. in surprise D. as a result
A. A
B. B
C. C
D. D
【单选题】
10. I often see Tom on the playground.When I passed the playground yesterday, I saw him .
A. play; playing B. to play; play C. playing; to play D. playing; play
A. A
B. B
C. C
D. D
【单选题】
11. — Mum, could I have ____________ to drink?
— Oh, dear.You can only drink some water.There is _________ in the kitchen.
A. anything; else something B. anything; something else
C. something; else nothing D. something; nothing else
A. A
B. B
C. C
D. D
【单选题】
12. We all know that learning a foreign language _______ time and effort.
A. requires B. reduces C. removes D. repeats
A. A
B. B
C. C
D. D
【单选题】
13. Her son __________ Coke, but now he __________ milk.
A. is used to drinking; used to drink B. used to drink; uses to drink
C. used to drink; is used to drinking D. is used to drink; is drinking
A. A
B. B
C. C
D. D
【单选题】
14. I don’t know the teacher is talking with Miss Wang.
A. what B. whom C. who D. which
A. A
B. B
C. C
D. D
【单选题】
15.Millie does __________ that many people are thankful to her.
A. such an important and helpful job B. so important and helpful work
C. a very important and helpful job D. such an important and helpful work
A. A
B. B
C. C
D. D
【单选题】
16. I think eating more vegetables is good _______ our health.
—Yes, I agree _______ you.
A. at, to B. for, with C. to, to D. for, to
A. A
B. B
C. C
D. D
【单选题】
17. I often go on holiday with my parents _____ summer.
A. in B. at C. on D. of
A. A
B. B
C. C
D. D