相关试题
【单选题】
停车场道岔中尖轨跟端直股的标准值是（）。 ___
【单选题】
车辆段道岔中尖轨跟端直股的标准值是（）。 ___
【单选题】
停车场道岔中尖轨跟端曲股的标准值是（）。 ___
A. 92
B. 98
C. 103
D. 106
【单选题】
车辆段道岔中尖轨跟端曲股的标准值是（）。 ___
A. 92
B. 98
C. 103
D. 106
【单选题】
停车场道岔中的尖轨开口标准值为（）。 ___
A. 150
B. 152
C. 155
D. 160
【单选题】
车辆段道岔中的尖轨开口标准值为（）。 ___
A. 150
B. 152
C. 155
D. 160
【单选题】
正线菱形道岔甲股需要量（）处叉心中。 ___
【单选题】
车辆段菱形道岔甲股需要量（）处叉心中。 ___
【单选题】
停车场菱形道岔甲股需要量（）处叉心中。 ___
【单选题】
正线菱形道岔乙股需要量（）处叉心中。 ___
【单选题】
车辆段菱形道岔乙股需要量（）处叉心中。 ___
【单选题】
停车场菱形道岔乙股需要量（）处叉心中。 ___
【单选题】
正线一副菱形道岔需要量（）处叉心中。 ___
【单选题】
车辆段一副菱形道岔需要量（）处叉心中。 ___
【单选题】
停车场一副菱形道岔需要量（）处叉心中。 ___
【单选题】
正线菱形道岔的轨距为（）。 ___
A. 1435
B. 1440
C. 1445
D. 1450
【单选题】
车辆段菱形道岔的轨距为（）。 ___
A. 1435
B. 1440
C. 1445
D. 1450
【单选题】
停车场菱形道岔的轨距为（）。 ___
A. 1435
B. 1440
C. 1445
D. 1450
【单选题】
正线在进行道岔检查时，在前后50m处要设置（）。 ___
A. 红闪灯
B. 照明灯
C. 发电机
D. 什么都不用
【单选题】
停车场在进行道岔检查时，在前后50m处要设置（）。 ___
A. 红闪灯
B. 照明灯
C. 发电机
D. 什么都不用
【单选题】
车辆段在进行道岔检查时，在前后50m处要设置（）。 ___
A. 红闪灯
B. 照明灯
C. 发电机
D. 什么都不用
【单选题】
正线在进行道岔检修时，在前后50m处要设置（）。 ___
A. 红闪灯
B. 照明灯
C. 发电机
D. 什么都不用
【单选题】
位于弦（ ）的点的矢距叫做正矢 ___
A. 起始处
B. 1/4处
C. 1/2处
D. 终点处
【单选题】
弦长（ ）的矢距称为外矢距。 ___
A. 起始处
B. 1/4处
C. 1/2处
D. 终点处
【单选题】
曲线的圆顺度用正矢检查，方法是（ ）的弦线，在钢轨顶面下16mm处测量弦线中点至钢轨工作边的距离。 ___
A. 20 m
B. 30 m
C. 40 m
D. 50 m
【单选题】
曲线的圆顺度用正矢检查，方法是20 m的弦线，在钢轨顶面下（ ）处测量弦线中点至钢轨工作边的距离。 ___
A. 13mm
B. 14mm
C. 15mm
D. 16mm
【单选题】
量现场正矢前，先用钢尺在曲线外股按计划的桩距一般为（ ）并划好标记和编出测点号。 ___
A. 10mm
B. 20mm
C. 30mm
D. 40mm
【单选题】
测量时应在轨距线处量，有肥边应在肥边处量，肥边大于（ ）时应铲除再量。 ___
A. 1mm
B. 1.5mm
C. 2mm
D. 2.5mm
【单选题】
测量现场正矢时每个曲线至少要丈量（ ）次。取其平均值，精确到mm。 ___
【单选题】
测量现场正矢时如果曲线方向很差，应先粗拨（ ），但应在新拨动部分经 ___
【单选题】
为平衡离心力的作用，在曲线轨道上设置（ ）超高。 ___
【单选题】
超高与地铁列车速度的平方成（ ）。 ___
A. 正比
B. 反比
C. 不成比例
D. 倒数
【单选题】
曲线的最大超高宜为（ ）。 ___
A. 12Omm
B. 13Omm
C. 14Omm
D. 15Omm
【单选题】
当设置的超高不足时，可允许有不大于（ ）的欠超高。 ___
A. 60 mm
B. 61 mm
C. 62mm
D. 63 mm
【单选题】
车辆在曲线轨道上抵抗倾覆的稳定程度，取决于（ ）值的大小。 ___
A. 偏心距
B. 向心力
C. 超高
D. 曲线半径
【单选题】
为保证行车安全，按《地铁设计规范》规定:实设最大超高，不得大于（ ）。 ___
A. 110mm
B. 120mm
C. 130mm
D. 140mm
【单选题】
我国规定，允许最大未被平衡欠超高，一般为（ ）。 ___
A. 60mm
B. 65mm
C. 70mm
D. 75mm
【单选题】
我国规定，允许最大未被平衡欠超高，一般为75mm，特殊情况为（ ）。 ___
A. 80mm
B. 90mm
C. 100mm
D. 110mm
推荐试题
【单选题】
Tom is a book lover. ______ likes reading very much.
A. He B. She C. You D. It
【单选题】
—May I listen to the music here, Mr. White?
—Sorry, you’d better it like that．
A. not to do B. not do to
C. dont do D. not do
【单选题】
3.—Did you have a good time at Lauras birthday party?
— Yes, indeed. Its several years ________ I enjoyed myself so much.
A. when B. before C. since D. that
【单选题】
4. —___________ is the Summer Palace from here?
About three kilometers away. You can take the No. 35 bus.
A. How long B. How far C. How often D. How much
【单选题】
5. I was looking for a birthday gift for my mother, but I couldnt find ______ suitable.
A. anything B. something C. nothing D. everything
【单选题】
6. A friend of my ____ and I are going to visit_______ next week．
A. father; Browns B. father's; Browns
C. father; the Browns D. father's; the Browns
【单选题】
7. She ______ very hard since she came to our school.
A. studies B. has studied C. is studying D. studied
【单选题】
8. — Who will send you to the new school, your mom or your dad?
— _______. Ill go there by myself.
A. Both B. Either C. Neither D. None
【单选题】
9.—Well do what we can ____English well this term．
—It’s high time for you to work hard．
A. study B．to study C. be studied D. be studying
【单选题】
10. —I’m going to Flower Bookstore. Could you tell me ______?
— Sorry, I don’t know. I’m new here.
A. where it is B. where was it C. where is it D. where it was
【单选题】
11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
A. nice B. better C. terrible D. worse
【单选题】
12. ______ Lin Feng has to work late, she always wears a smile on her face.
A. Because B. If C. Until D. Though
【单选题】
13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
【单选题】
14. We will have a _________ holiday after the exam．
A. two-month B. two month’s C. two month D. two-months
【单选题】
15. —We will build an underground in Xuzhou before 2015．
— Wow, _______! Will it pass our place?
A. what an excited news B. how excited the news is
C. what exciting news D. how exciting
【单选题】
16. — Emily, here’s a dictionary．I hope it will help you in some way．
— Thank you．It’s ________ what I need．
A. almost B. still C. only D. just
【单选题】
17. —Oh．I’m hungry．Mum, can I have the hamburger on the plate?
—No．It tastes ．
A. terribly B. terrible C. good D. well
【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
【单选题】
19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years．
A. hardly; alone B. hard; alone
C. hardly; lonely D. hardly; lonely
【单选题】
20.—I’m going back to see my grandparents this weekend．
—________．
A. It’s very nice of you B. You’d better hurry
C. Say goodbye to them D. Give my best wishes to them
【单选题】
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
【单选题】
22. —Do you know the boy________ is sitting next to Peter?
— Yes. He is Peter’s friend. They are celebrating his ________ birthday.
A. who; ninth B. that; ninth C. /; ninth D. which; ninth
【单选题】
23. It was dark, ______ I couldnt see what was happening.
A. or B. though C. but D. so
【单选题】
24.—You can use MSN to talk with Vivien on the Internet.
—I know. But can you tell me ________?
A. what I can use it B. when I can use it
C. why can I use it D. how can I use it
【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ?
To learn about different styles of school uniform.
A. What B. Where C. Which D. Why
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
【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
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
A．the adult world B．the planet B -612
C．a rose and a fox D．the adventure of a young prince
【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．
【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．
【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．
【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
【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.
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
A. thought it was beautifully written
B. wanted to know what it really meant
C. decided to write it on a warehouse wall
D. wanted her husband to put it up in the classroom
【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.
【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.
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
【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
【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
【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
