相关试题
【单选题】
库内油罐区四周应设环形通道，宽度不小于___，以利于消防汽车通行
A. 2.5m
B. 3.0m
C. 3.5m
D. 4.5m
【单选题】
在电路中起稳压作用的二极管中，叫___
A. 检波二极管
B. 整流二极管
C. 稳压二极管
D. 开关二极管
【单选题】
高速柴油机用轻柴油残炭最高不得超过___
A. 0.3%
B. 0.2%
C. 0.2%
D. 0.1%
【单选题】
铁路机车规定使用中的柴油机油水分含量不得大于___
A. 0.10%
B. 0.2
C. 0.5
D. 0.6
【单选题】
在绝缘材料中___的耐压绝缘强度（KV/mm）最大
A. 0.10A
B. 0.50A
C. 0.58A
D. 0.45A
【单选题】
伟大的共产主义战士___的座右铭是“把有限的生命投入到无限的为人民服务之中去”
A. 雷锋
B. 王杰
C. 欧阳海
D. 刘英俊
【单选题】
区间调车作业、机车车辆溜入区间，发生冲突、脱轨事故时，定___
A. 客运事故
B. 调车事故
C. 货运事故
D. 客运事故
【单选题】
卸油鹤管指插入油槽车的卸油管，一般采用___，也可采用耐油胶管
A. 铝塑管
B. pvc管
C. 不锈钢管
D. 铝合金管
【单选题】
灰分是润滑油按规定条件完全燃烧后所剩下的___的百分含量
A. 不燃物质
B. 可燃物质
C. 碳化物
D. 润滑脂
【单选题】
临时拉设电线或增设灯头，须___按正常手续办理
A. 拔下熔断器
B. 截断电源
C. 通知单位负责人
D. 通知电工
【单选题】
站台上堆入货物，距站台边缘不得少于___，不足上述规定距离时，不得进行调车作业
A. 1m
B. 1.5m
C. 2m
D. 2.5m
【单选题】
客运列车或客运列车摘下本务机车后的车列，被货运列车、机车车辆冲撞造成的事故，均定___
A. 列车事故
B. 调车事故
C. 货运事故
D. 客运事故
【单选题】
对非电化区段的有关人员临时进入电化区段工作时，应有分配工作单位的___向有关人员传达电化区段安全注意事项。
A. 有关人员
B. 教育部门
C. 电工
D. 负责人
【单选题】
铁路罐车取样时，在罐车内油品火灾属于___火灾
A. 20min
B. 30min
C. 1h
D. 2h
【单选题】
燃烧的发生和继续，必须同时具备3个条件，即燃烧三要素，可燃物、空气、___，三者缺一不可。
【判断题】
1.单位和个人可以不支持配合事故抢救，不用提供便利条件
【判断题】
2.油料的黏度随着温度的降低而增大，当黏度降低到一定程度时，油料便丧失流动性
【判断题】
3.动车组中破1辆以上，为一般A类事故
【判断题】
4.因列车折角塞门关闭造成事故，无法判明责任的定发生地铁路运输企业责任事故
【判断题】
5.油库消火栓应经常检查，每月需作次出水试验
【判断题】
6.职业道德的作用，一方面具有社会道德的 般作用，另方面又具有行 业的特殊作用
【判断题】
8.润滑油中石蜡含量愈高，其凝固点也愈高，即愈不易凝固
【判断题】
9.从业人员经过安全教育培训，了解岗位操作规程，但未因此而造成事故的，行为人应负直接责任，有关负责人应负管理责任
【判断题】
10.牵引列车的机车在出段前，必须达到运用状态，机车的牵引、走行、制动系统、安全保护装置、照明和信号标志、行车安全设备必须作用良好并符合确定
【判断题】
11.制定《安全生产法》最重要的目的是制裁各种安全生产违法犯罪行为
【判断题】
12.加热溶解氢氧化钠时，可用均匀缓慢的火势加热，井随时彻底搅拌
【判断题】
13.没有条件的油库区周围可用铁丝网围起来做围墙
【判断题】
14.燃油具有蒸发、易燃烧、易爆炸、易产生静电、 无毒等特性
【判断题】
15.冬季加油时，应有预热装置，燃油温度低于20'C时应进行预热
【判断题】
17.使用大锤、手锤时禁止戴手套或使用垫布
【判断题】
19.采用流量仪表发放油品时应检查仪表的有效日期
【判断题】
20.针入度是指将针放入油脂中，其在垂直方向陷入油脂试样中的深度
【判断题】
21.特别重大事故、重大、较大事故，国务院铁路主管部门应当立即报告国务院并通报国家安全生产监督管理等有关部门
【判断题】
22.电力机车、动车组错误进入试题编号:543无接触网线路，为一般D类事故
【判断题】
23.在一定外界条件 ，润滑油脂抵抗氧化作用的能力，称为润滑油脂的抗氧化安定性
【判断题】
24.核定燃油消耗定额不应包括非生产性用油
【判断题】
25.注重质量、讲究信誉是增强铁路企业市场竞争能力的重要保证
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
