【单选题】
第1 694题：关于精馅塔塔压联锁的原因.下列说法正确的是___。
A. 塔顶采出量过大
B. 加热量太小
C. 进料中轻分含量过高
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【单选题】
第1695题：发现裂解炉原料罐冒罐的应急处理流程正确的是___。
A. 报警→现场确认、报告→切断泄露源→启动应急程序
B. 现场确认、报告→切断泄露源→报警→启动应急程序
C. 切断泄露源→现场确认、报告→报警→启动应急程序
【单选题】
第1696題：特种劳动防护用品实行生产___。
【单选题】
第1697题：对学校、医院等人员密集场所的建设工程,应当按照___当地房屋建筑的抗震设防要求进行设计和施工、采取有效措施，増强抗震设防能力。
【单选题】
第1698题：安全标志分为四类，它们分别是___。
A. 通行标志、禁止通行标志、提示标志和警告标志
B. 禁止标志、警告标志、指令标志和提示标志
C. 禁止标志、警告标志、通行标志和提示标志
【单选题】
第1699题：进行有关化学液体的操作时，为保护面部应使用___。
【单选题】
第1700题：氨工作场所每月至少进行一次作业环境职业病危害因素监测，每___至少进行一次控制效果评价。
【单选题】
第1701题：按照职业性接触毒物危害程度分级，苯属于___级。
【单选题】
第1702题：碳三加氢反应为___反应，必须严格控制温度，以防飞温引起恶性事故。
【单选题】
第1703题：生产经营单位的从业人员有依法获得安全生产保障的权利，并应当依法履行安全生产方面的___。
【单选题】
第1704题：下列不属于工业上常见的板式塔的是___
【单选题】
第1705题：发生氢气泄露事故时，处理的注意事项不包括___。
A. 避免产生火花
B. 要防静电
C. 要在下风口处理
【单选题】
第1706题：用于高处作业的安全帯适用于体重及负重之和不大于___kg。
【单选题】
第1707题：从事使用高毒物品作业的用人单位应当至少每___进行一次职业中毒危害控制效果评价。
【单选题】
第1708题：向用人单位提供可能产生职业病危害的设备的，应当提供中文说明书，并在设备的醒目位置___。
A. 张贴中文说明书
B. 设置警示标识和中文警示说明
C. 设置安全注意事项
【单选题】
第1709题：裂解炉导向管与定位管之间间隙___mm。
A. 10-15
B. 10-20
C. 15-25
【单选题】
第1710题：乙烯装置所用的原料、中间产品和产品大多是易燃易爆的气体或液体，如果安全措施不当会有爆炸的危 险。乙烯装置中发生的化学爆炸的种类不包括___爆炸。
【单选题】
第1711题：生产装置应急状态下有毒有害工艺气体排放应排放至___。
【单选题】
第1712题：防震减灾工作，实行___、防御与救助相结合的方针。
【单选题】
第1713题：关于重大事故的处理原则，下列表述错误的是___。
A. 不跑、冒、滴、漏，不超温、起压、窜压
B. 可以就地排放油和气体，防止发生着火爆炸等恶性事故
C. 注意保护催化剂及设备
【单选题】
第1714题：在火灾中，由于毒性造成人员伤亡的罪魁祸首是___。
【单选题】
第1715题：密封蒸气的作用是___。
A. 防止裂解气污染密封油
B. 防止透平中的蒸汽向大气泄漏
C. 防止密封油进入机体
【单选题】
第1716题：冷区安全阀内漏，常常会看到阀后管道___现象。
【单选题】
第1717题：在有毒气、烟尘、缺氧环境下应选用___。
A. 过滤式呼吸器
B. 空气呼吸器
C. 防尘口罩
【单选题】
第1718題：酒精燃烧火灾是___类火灾。
【单选题】
第1719题：乙烯装置的低压消防系统压力一般为___MpA 。
【单选题】
第1720题：布置在爆炸危险区的在线分析仪表间内设备为非防爆型时，在线分析仪表间应___。
【单选题】
第1721题：使用单位应当于压力容器定期检验有效期满前___，向特种设备检验机构提出定期检验的要求，特种设备应按要求，及时进行定期检验。
【单选题】
第1722题：燃烧的充分条件是___。
A. 一定浓度的可燃物，一定比例的助燃剂，一定能量的点火源，以及可燃物、助燃物、点火源三者要相互作用
B. 一定浓度的可燃物，一定比例的助燃剂，一定能量的点火源
C. 一定浓度的可燃物，一定比例的助燃剂，点火源，以及可燃物、、助燃物、三者要相互作用
【单选题】
第1723题二关于裂解气中一氧化碳的危害下列说法正确的是___。
A. 会使冷箱冻堵
B. 影响冷箱操作
C. 会造成甲烷化反应器超温
【单选题】
—When is your English class? — ___ 8：10 ____8：55.
A. At；and
B. From；to
C. From；and
D. At；to
【单选题】
I eat ___ breakfast at seven thirty. After ______ that，I go to school.
A. /；/
B. the；/
C. the；the
D. /；the
【单选题】
— ___do you go to work? — _______ eleven o'clock.
A. What；At
B. What；On
C. When；At
D. When；On
【单选题】
Lucy has an interesting ___．She ________ at a TV station.
A. work；works
B. work；job
C. job；works
D. job；job
【单选题】
—Do you know Li Le? —Yes，he's a good student.He's never late ___ class.
A. at
B. in
C. for
D. from
【单选题】
I think vegetables and fruit are ___us.
A. bad for
B. good for
C. good with
D. good at
【单选题】
Either I or Jim ___ playing the piano.
A. like
B. likes
C. to like
D. liking
【单选题】
— ___ does Tom usually __________ at 11：00 a．m.? —He usually plays soccer with his friends.
A. What；do
B. How；do
C. What；does
D. How；does
【单选题】
The fish ___ good.I like it very much.
A. eats
B. sees
C. watches
D. tastes
【单选题】
—What's the time? —It's 12：00. Let's go for ___ ．
A. breakfast
B. lunch
C. supper
D. dinner
【单选题】
Tina wants to take ___ shower after playing ______ pingpong.
A. a；the
B. the；the
C. a；不填
D. the；不填
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
