相关试题
【填空题】
转向架按照构造速度可分为普通客车转向架和___客车转向架。
【填空题】
206P和206G型转向架的构造基本相同,不同之处是在基础制动装置,206P是___制动,206G是踏面制动。
【填空题】
在闸调器中,若调整螺母相对螺杆右移,则螺杆的工作长度___,调大了闸瓦间隙及制动缸活塞行程。
【填空题】
ST1-600型双向闸瓦间隙自动调整器采用四头梯形___螺纹、双向调整结构。
【填空题】
铁路机车车辆制动机按制动原动力和操纵控制方式的不同,可分为:人力制动机、___、电空制动机和真空制动机。
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安装远心集尘器时,集尘器体表面箭头应指向___。
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目前我国客车上一般采用___式人力制动机。
【填空题】
___制动装置是最终产生制动作用的装置。
【填空题】
104电空制动机的保压电磁阀控制___与大气的通路。
【填空题】
列车中各车辆全部装用F8分配阀时,转换盖板置于"___"[指示箭头向下]。
【填空题】
客车在载重变化时,通过高度调整阀实现___的调节作用。
【填空题】
量具的日常管理由___负责,借用后由使用者负责。
【填空题】
SW-160型转向架和206KP型转向架相比,牵引销由圆锥形改为圆柱形,以减小___。
【填空题】
已知车辆定距S和曲线半径R,则车辆中部偏倚量为___)。
【填空题】
各拉杆、杠杆的圆销安装时,竖向孔应由上而下装入,横向孔应___装入。
【填空题】
更换闸瓦时,严禁将手伸入闸瓦与___之间。
【填空题】
密接式车钩可实现自动连挂,连挂状态纵向平均间隙不大于___mm.
【填空题】
密接式车钩与缓冲器之间的组装由8个___的连接螺栓完成。
【填空题】
客车制动主管用内径___mm的钢管或不锈钢管制成。
【填空题】
远心集尘器安装在制动支管上截断塞门与分配阀的之间,通常是在距分配阀___mm以内。
【填空题】
车辆制动机应具备的条件之一是:当列车在运行途中发生车钩分离时,全列车都应能自动地起___作用。
【填空题】
车轮与闸瓦间摩擦系数随列车运行速度的___而减少。
【填空题】
闸瓦总压力与列车总重量之比称为列车计算___。
【填空题】
蜗杆传动由蜗杆和蜗轮组成,它主要用于传递空间交错轴的运动和动力,两轴间的交错角一般为___。
【填空题】
轴承标志板共分A、B、C三栏,其中B栏所填写的是轴承___代号。
【填空题】
单列向心滚子轴承主要承受径向力和___。
【填空题】
当F8型分配阀不作为电空制动使用时,"转换盖板"应放在___缓解位,即盖板上的箭头向上。
【填空题】
客车出库质量标准规定:轮轴各部不得有裂纹,轮毂无___现象,并符合规定限度。
【填空题】
客车出库质量标准规定:高度调整阀及调整杆无裂损变形,风管无腐蚀损坏,调整杆锁定,螺栓紧固,护套完好,关节部位转动灵活,调整杆上翘不超过___。
【填空题】
空调客车车厢内应配置消防锤,并标注"___"标识。
【填空题】
客车车厢内须按规定配置灭火器,灭火器按产品规定期限进行定期检查并涂打___标记。
【填空题】
"KLW"的全称旅客列车尾部安全防护装置,由天馈线和___构成。
【填空题】
客车列尾装置的KLW一次排风电磁阀开启时间为___秒,辅助排风制动应触发列车紧急制动。
【填空题】
摇枕挡磨耗板脱落在运用客车质量鉴定属于___类故障。
【填空题】
提速客车上旁承磨下旁承座,螺栓松动超过2条在运用客车质量鉴定属于___类故障。
【填空题】
车辆零件的损伤主要有磨损、___、裂纹折损、变形和配合件松弛等五种。
【填空题】
在无客列检、库列检作业的折返站,由车辆乘务员按___对旅客列车的技术作业范围进行作业。
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