【多选题】
关于一氧化碳中毒救护方法，下列选项正确的是___。
A. 将中毒人员撤离污染区域
B. 施行人工呼吸
C. 输氧
D. 请医生治疗
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相关试题
【多选题】
冷箱系统压差过大、温度分布异常可能的原因有___。
A. 氢气外送量过小
B. 裂解气干燥器出口水含量超标，冷箱冻塔
C. 冷箱系统设备、管线堵塞
D. 冷箱系统冷剂调节幅度过大
【多选题】
精馏塔冻塔的处理方法正确的有___。
A. 判断冻塔位置并注甲醇解冻
B. 查找冻塔原因并处理
C. 停车处理
D. 不需处理
【多选题】
精馏塔灵敏板、釜温提不起来的处理方法有___。
A. 提高塔釜液面
B. 保证产品质量的同时，适当减小塔顶回流量
C. 减小进料量
D. 若再沸器结垢，切换再沸器
【多选题】
碳二加氢反应器催化剂中毒的处理方法正确的是___。
A. 提高反应器的入口温度
B. 压缩调整碱洗至合格
C. 提高氢炔比
D. 碱洗合格后切换裂解气干燥器及碳二加氢反应器
【多选题】
当丙烯产品分析不合格碳二超标时，处理方法正确的是___。
A. 调整脱乙烷塔操作
B. 调整脱丙烷塔操作
C. 调整脱丁烷塔操作
D. 调整碳三加氢反应器操作
【多选题】
当丙烯产品分析不合格碳二超标时，处理方法正确的是___。
A. 调整脱乙烷塔的操作
B. 调整脱甲烷塔的操作
C. 调整丙烯塔的操作
D. 调整碳三加氢反应器的操作
【多选题】
当碳四产品不合格时，可能要调整的操作是___。
A. 调整脱丙烷塔的操作
B. 调整丙烯精馏塔的操作
C. 调整碳三加氢反应器的操作
D. 调整脱丁烷塔的操作
【多选题】
碳二加氢反应器入口一氧化碳含量高导致出口分析乙炔不合格，正确的处理方法是___。
A. 适当减小氢炔比
B. 检查碱洗塔运行状况
C. 适当提高入口温度
D. 联系裂解炉岗位检查COT或裂解炉注硫量
【多选题】
前脱丙烷前加氢工艺中碳二加氢反应器出口分析不合格正确的处理方法是___
A. 判断如催化剂中毒，则压缩调整碱洗
B. 氢气纯度不够，可调整冷箱温度至合格
C. 催化剂活性低，可适当提高入口温度
D. 出口乙炔过高应切出反应器
【多选题】
当丙烯制冷压缩机停车后，分离系统作紧急停车处理，下列处理正确的是___。
A. 碳二加氢反应器紧急停车
B. 脱乙烷塔汽提操作
C. 乙烯精馏塔紧急停车
D. 脱甲烷塔汽提操作
【多选题】
装置冷却水故障，分离系统作全面紧急停车时，下列处理正确的有___。
A. 冷箱保温保压
B. 碳二加氢反应器紧急停车
C. 甲烷化反应器紧急停车
D. 丙烯精馏塔全回流运转
【多选题】
当丙烯制冷压缩机停车后，分离系统作紧急停车时，下列处理正确的有___。
A. 碳二加氢反应器紧急停车
B. 脱丙烷塔紧急停车
C. 乙烯精馏塔紧急停车
D. 甲烷化反应器紧急停车
【多选题】
当裂解气压缩机停车，而丙烯制冷压缩机正常运转时，分离处理正确的有___
A. 碳二加氢反应器紧急停
B. 乙烯精馏塔全回流运转
C. 碳三加氢反应器紧急停车
D. 丙烯精馏塔全回流运转
【多选题】
当压缩片区乙烯制冷压缩机因故停车，其它系统运转正常时，分离系统处理正确的有___。
A. 维护膨胀机正常运行
B. 脱甲烷塔调整操作
C. 力保冷箱温度
D. 密切关注反应器，适当调整
【多选题】
裂解气压缩机停车后，对分离系统的处理正确的是___。
A. 冷箱系统紧急停车
B. 脱乙烷塔尽可能全回流运转
C. 脱甲烷塔全回流运转
D. 脱丙烷塔全回流运转
【多选题】
裂解气压缩机停车后，对分离系统的处理错误的是___。
A. 碳二加氢反应器紧急停车
B. 高压脱丙烷塔全回流
C. 脱甲烷塔汽提操作
D. 碳三反应器正常运行
【多选题】
乙烯制冷压缩机停车后，对分离系统的处理正确的是___。
A. 冷箱系统紧急停车
B. 乙烯精馏塔全回流运转
C. 碳二加氢反应器维持正常运行
D. 脱甲烷塔调整操作
【多选题】
乙烯制冷压缩机停车后，对分离系统的处理错误的是___。
A. 脱甲烷塔调整操作
B. 膨胀机正常运行
C. 膨胀机停运
D. 乙烯精馏塔全回流运转
【多选题】
碳二加氢反应器因故停车分离系统处理步骤中正确的是___。
A. 乙烯精馏塔停止进料
B. 乙烯精馏塔停止采出
C. 乙烯精馏塔停止回流
D. 脱乙烷塔汽提操作
【多选题】
碳二加氢反应器因故停车分离系统处理正确的是___。
A. 乙烯精馏塔全回流运转
B. 脱乙烷塔塔顶放火炬
C. 关闭反应器进出料手阀
D. 碳二加氢泄压后氮气置换
【多选题】
甲烷化反应器停车后，分离系统如没有外供氢气，则下列处理正确的是___。
A. 碳三加氢反应器停车
B. 乙烯精馏塔停车
C. 分离系统冷区全线停车
D. 丙烯精馏塔全回流
【多选题】
发生氢气泄漏事故时，处理的注意事项有___。
A. 要防静电
B. 要避免产生火花
C. 避免高温
D. 要在上风口处理
【多选题】
关于冷换设备泄漏处理的注意事项，下列选项正确的有___。
A. 防冻伤
B. 防火花
C. 防静电
D. 防窒息
【多选题】
当发现冷泵机械密封大量泄漏时，工艺上处理正确的是___。
A. 关闭泵进出口阀
B. 关泵气相阀
C. 泵体倒空
D. 氮气置换
【多选题】
乙烯产品外送泵机封大量泄漏，人已无法靠近时，操作人员处理正确的有___
A. 通知电气室内停泵
B. 联系调度通知下游装置停车
C. 选择安全处切断泵体物料
D. 注意防火防爆
【多选题】
精馏塔顶温高的处理方法是___。
A. 适当增加回流
B. 调整进料温度
C. 减小加热量
D. 以上说法均不正确
【多选题】
精馏塔釜液面空的处理方法是___。
A. 适当降低塔的加热量
B. 减小塔釜采出量
C. 增加回流量
D. 适当降低塔压
【多选题】
精馏塔压差高的处理方法正确的是___。
A. 判断如冻塔，则注甲醇解冻
B. 负荷过高，则适当降负荷
C. 保证产品质量同时，增大塔采出量
D. 适当降加热
【多选题】
1标准大气压等于___。
A. 1.033kgf/cm2
B. 760mmHg
C. 10.33mH2O
D. 1.0133bar
【多选题】
丙烯精馏侧线采出（）产品，其产品纯度为（）。___
A. 丙烯
B. 聚合级丙烯
C. 99.5%
D. 99.6%
【多选题】
脱乙烷塔T-440塔釜再沸采用（）塔顶冷凝器采用（）冷剂。___
【单选题】
世界观是___
A. 人们对人生的总体看法和根本观点
B. 人们对自然界的总体看法和根本观点
C. 人们对整个世界的总体看法和根本观点
D. 人们对社会的总体看法和根本观点
【单选题】
哲学基本问题的第二方面内容是___
A. 自然和社会有无同一性的问题
B. 时间和空间有无同一性的问题
C. 物质和运动有无同一性的问题
D. 思维和存在有无同一性的问题
【单选题】
列宁的物质定义表明，物质的唯一特性是___
A. 客观实在性
B. 空间广延性
C. 无限多样性
D. 客观规律性
【单选题】
“不积跬步，无以至千里;不积小流，无以成江海。”这句话体现的哲学道理是___
A. 矛盾是事物发展的动力
B. 量变是质变的必要准备
C. 现象是事物本质的表现
D. 实践是检验真理的标准
【单选题】
一切认识都是从直接经验发源的，这说明___
A. 认识归根到底是从实践中获得的
B. 每个人的认识都依赖于直接经验
C. 书本知识并不是从实践中获得的
D. 只要参加实践就能获得正确认识
【单选题】
在认识论上，一切唯物主义都坚持___
A. 实践论
B. 反映论
C. 矛盾论
D. 先验论
【单选题】
真理的相对性是指真理的___
A. 客观性、无限性
B. 客观性、一元性
C. 有条件性、有用性
D. 有条件性、有限性
【单选题】
在社会物质生活条件中，对社会历史发展起决定作用的是___
A. 地理环境
B. 人口数量
C. 生产方式
D. 人口素质
【单选题】
社会形态是___
A. 经济基础和上层建筑的统一
B. 生产力和生产关系的统一
C. 自然界和人类社会的统一
D. 社会存在和社会意识的统一
推荐试题
【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
【单选题】
) 1. Even Tony’s six-year-old son asked him ______ smoking.
A. stops B. stopped C. to stop D. stopping
【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
【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
【单选题】
4. If you read a lot, your life ______ full of pleasure.
A. will be B. is C. be D. was
【单选题】
5. The black bag _________ be Annas. She has a blue one.
A. should B. cant C. wouldnt D. could
【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
【单选题】
7.—Why dont you choose the red tie?
—For me, it doesn’t _____ my shirt very well．
A. fix B. accept C. compare D. match
【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
【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
【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
【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
【单选题】
12. We all know that learning a foreign language _______ time and effort.
A. requires B. reduces C. removes D. repeats
【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
【单选题】
14. I don’t know the teacher is talking with Miss Wang．
A. what B. whom C. who D. which
【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
【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
【单选题】
17. I often go on holiday with my parents _____ summer.
A. in B. at C. on D. of
【单选题】
18. I called you at 4:00 yesterday afternoon, but nobody answered.
Sorry, I ______ with my friends at that time.
A. had swum B. swam C. would swim D. was swimming
【单选题】
19.––Who is on the playground? ---__________．
A. Never B. None C. No one D. A lot
【单选题】
20. The schoolboy ______ a blind man cross the street yesterday.
A. helps B. helped C. will help D. has helped
