【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.
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【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
【单选题】
21. —The 2010 World Expo which will last 184 days will be held in Shanghai on May 1st.
—________exciting news! We shall try our best to support it.
A. How B. How an C. What D. What an
【单选题】
22. They preferred ______ in bed rather than _____ horses．
A. to lie; to ride B. lying; riding C. lying; ride D. to lie; ride
【单选题】
23. —What was Jim wearing at the party?
— Nothing _______. He was in his usual shirt and jeans.
A. special B. simple C. important D. interesting
【单选题】
24. The 2016 Olympic Games ________ in Brazil. Would you like to go there?
Maybe, if possible.
A. are held B. will be held C. were held D. have been held
【单选题】
25. — David, look at the man in white over there．Can you tell me _______ ?
—He is a doctor．
A. who is he B. who he is C．what does he do D. what he does
【单选题】
( ) 26.With help from a Mr. H, you can__________.
A. stop wearing your watch B. get new books and objects
C. finish your homework on time D. know when parents or teachers are near
【单选题】
( ) 27. A PENGO WATCH CONTROL can help you to ______________.
A. repair your TV B. put away your books and objects
C. become a James Bond D. get a daily weather report
【单选题】
( ) 28. You can get your Mr. H for___________.
A. $299 B. $499 C. $199 D. $99
【单选题】
( ) 29. When was canned food invented?
A. In 1870. B. In 1810. C. In 1902. D. In 1926.
【单选题】
( ) 30. After the trip to the Arctic, Clarence Birdseye invented ____________.
A. canned food B. can openers
C. frozen food D. air conditioning
【单选题】
( ) 31. Changes in weather _____________ in Willis Carrier's company.
A. helped to keep food B. made rooms comfortable
C. caused health problems D. hurt printing paper
【单选题】
( ) 32. According to the passage, which of the following may lead to inventions?
A. People's needs. B. Public support.
C. Modern technology. D. Practical suggestions.
【单选题】
( ) 33. 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．
推荐试题
【单选题】
冷箱系统压差过大、温度分布异常，处理方法不正确的是___。
A. 检查碱洗塔的运行情况
B. 检查裂解气干燥状况，如冻堵，则注入甲醇解冻
C. 检查各过滤器，并用木锤敲打
D. 投用氢气开工线(氢气并低压甲烷线)
【单选题】
对于冷箱系统压差过大的处理方法，下列选项不正确的是___。
A. 严重时，作停车处理
B. 检查裂解气干燥状况，如冻堵，则注入甲醇解冻
C. 检查各过滤器，并用木锤敲打
D. 切换干操器即可
【单选题】
精馏塔冻塔的处理方法正确的是___。
A. 降加热
B. 增大采出
C. 减小进料
D. 注甲醇解冻
【单选题】
精馏塔灵敏板、釜温提不起来的处理方法正确的是___。
A. 在保证产品质量的前提下，适当降低塔顶回流量
B. 提高塔顶回流量
C. 增加进料量
D. 增加采出量
【单选题】
精馏塔灵敏板、釜温低时正确的处理方法是___。
A. 降低塔釜液面
B. 提高塔顶回流量
C. 增加进料量
D. 提高塔釜加热量
【单选题】
关于精馏塔灵敏板、釜温提不起来的原因，下列叙述不正确的是___。
A. 塔釜重组分多
B. 再沸器结垢
C. 回流量过大
D. 中沸器加热量大
【单选题】
精馏塔塔釜分析不合格，轻组分浓度高，下列说法不正确的是___。
A. 塔釜液面过低
B. 灵敏板温度低
C. 回流量过大
D. 塔釜加热量大
【单选题】
碳二加氢反应器温度上涨，但不是很快，最有效的处理方法是___。
A. 一发现温度上升较快即关闭氢气阀
B. 停止入口加热
C. 降低入口温度
D. 适当注入粗氢
【单选题】
关于碳二加氢反应器飞温的处理方法，下列说法正确的是___。
A. 降低氢炔比
B. 降低入口温度
C. 如备用台飞温则关紧各进出口氢气阀门
D. 碳二加氢反应器泄压至火炬
【单选题】
碳二加氢反应器飞温的处理方法正确的是___。
A. 全开段间冷却器冷却水
B. 降低入口温度
C. 反应器按SD2停车
D. 增加一氧化碳降低催化剂活性
【单选题】
碳二加氢反应器催化剂中毒时下列处理方法正确的是___。
A. 降低反应器入口温度
B. 压缩调整碱洗至合格
C. 降低氢炔比
D. 切换裂解气干燥器
【单选题】
碳二加氢反应器催化剂中毒的处理方法不正确的是___。
A. 提高反应器入口温度
B. 压缩调整碱洗至合格
C. 降低氢炔比
D. 碱洗合格后切换裂解气干燥器及碳二加氢反应器
【单选题】
当乙烯精馏塔产品乙烷超标时，正确的处理方法是___。
A. 调整乙烯精馏塔的操作
B. 调整碳二加氢反应器的操作
C. 调整脱乙烷塔的操作
D. 调整脱甲烷塔的操作
【单选题】
当丙烯产品分析不合格MAPD超标时，处理方法正确的是___。
A. 调整凝液汽提塔的操作
B. 调整脱丙烷塔的操作
C. 调整脱丁烷塔的操作
D. 调整碳三加氢反应器的操作
【单选题】
当碳四产品不合格，碳三含量超标时，处理方法正确的是___。
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. 调整丙烷精制塔的操作
【单选题】
当乙烯精馏塔产品分析不合格，乙炔超标时，处理方法正确的是___。
A. 调整乙烯精馏塔的操作
B. 调整碳二加氢反应器的操作
C. 检查脱乙烷塔的操作是否正常
D. 调整脱甲烷塔的操作
【单选题】
碳二加氢反应器出口乙炔分析不合格正确的处理方法是___。
A. 提高入口温度
B. 降低入口温度
C. 提高脱乙烷塔顶温
D. 减少氢气量
【单选题】
仪表失灵后的处理方法正确的是___。
A. 保持阀全开
B. 关闭该阀
C. 将该阀切成手动操作稳定装置运行并联系仪表修理
D. 通过旁路来稳定装置运行
【单选题】
乙烯装置发生一般性着火事故，消防车队到达现场时，此时指挥者应为___。
A. 消防支队领导
B. 班长
C. 值班主任
D. 车间主任
【单选题】
装置发生一般性着火事故时，操作人员处理步骤中最准确的是___。
A. 第一时间向公司消防支队火警台报警
B. 第一时间向厂部及车间领导汇报事故情况
C. 第一时间操作人员对着火点进行扑救和控制
D. 通过现场呼叫器和火警报警系统把第一信息反馈到中央控制室
【单选题】
装置冷却水故障，分离系统作全面紧急停车处理，下列处理正确的是___。
A. 冷箱泄压
B. 碳二加氢反应器保温保压
C. 乙烯精馏塔全回流运转
D. 各塔停止加热，塔压由放火炬阀控制
【单选题】
当裂解气压缩机停车，而丙烯制冷压缩机正常运转时，分离处理正确的是___。
A. 碳二加氢反应器保温保压
B. 乙烯精馏塔全回流运转
C. 脱甲烷塔紧急停车
D. 丙烯精馏塔紧急停车
【单选题】
裂解气压缩机停车后，对分离系统的处理不正确的是___。
A. 碳二加氢反应器紧急停车
B. 甲烷化反应器紧急停车
C. 碳三反应器紧急停车
D. 停止罐区乙烯外送
【单选题】
裂解气压缩机停车后，对分离系统的处理错误的是___。
A. 冷箱系统紧急停车处理
B. 乙烯精馏塔全回流运转
C. 丙烯精馏塔全回流运转
D. 脱丙烷塔全回流运转
【单选题】
裂解气压缩机停车后，对分离系统的处理不正确的是___。
A. 碳二加氢反应器紧急停车
B. 甲烷化反应器紧急停车
C. 碳三反应器紧急停车
D. 脱甲烷塔汽提操作
【单选题】
乙烯压缩机停车后，对分离系统的处理正确的是___。
A. 停乙烯塔运行
B. 停丙烯塔运行
C. 停火炬系统
D. 丙烯外送停止
【单选题】
乙烯制冷压缩机停车后，对分离系统的处理正确的是___。
A. 碳二加氢反应器紧急停车
B. 甲烷化反应器紧急停车
C. 碳三反应器紧急停车
D. 维护膨胀机正常运行
【单选题】
乙烯制冷压缩机停车后，对分离系统的处理不正确的是___。
A. 脱甲烷塔汽提操作
B. 停碳二加氢
C. 维护膨胀机正常运行
D. 立即停甲烷化反应器
【单选题】
碳二加氢反应器因故停车，对分离系统处理正确的是___。
A. 乙烯精馏塔全回流运转
B. 脱乙烷塔紧急停车
C. 分离热区停车处理
D. 停止所有产品外送
【单选题】
碳二加氢反应器因故停车，下列处理不正确的是___。
A. 乙烯精馏塔全回流运转
B. 低压脱丙烷塔正常运行
C. 脱乙烷塔保证灵敏板温度，塔釜产品正常外送
D. 脱乙烷塔回流运行
【单选题】
甲烷化反应器因故停车，如分离系统有外供氢气，则下列处理正确的是___。
A. 乙烯精馏塔全回流运转
B. 碳三反应器停止注氢
C. 碳二加氢反应器停车
D. 分离系统只对甲烷化系统处理，其余正常运转
【单选题】
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. 碳二加氢反应器停车
B. 乙烯精馏塔全回流
C. 碳三加氢反应器停止注氢
D. 丙烯精馏塔正常运行
【单选题】
氢气干燥器进料阀填料处漏氢气，现场人员一次处理正确的是___。
A. 接氮气稀释
B. 用蒸汽保护
C. 不做任何处理
D. 通知班长
【单选题】
丙烯精馏塔塔顶冷凝器内漏时，处理方法正确的是___。
A. 换热器切出检修
B. 不需处理
C. 降负荷即可
D. 停车检修
【单选题】
正常情况下发现冷泵机械封轻微泄漏时，工艺上处理正确的是___。
A. 将泵切出系统倒空，上报检修
B. 用水冲洗
C. 用氮气保护
D. 无须处理
【单选题】
精馏塔顶温高正确的处理方法是___。
A. 适当增大回流量
B. 增加进料量
C. 减小回流
D. 提高灵敏板温度
【单选题】
精馏塔顶温高正确的处理方法是___。
A. 降低塔釜液面
B. 提高加热量
C. 减小塔顶回流
D. 减小加热量
【单选题】
精馏塔塔釜液面空时正确的处理方法是___。
A. 减小进料量
B. 减小回流
C. 减小塔釜采出量
D. 提高塔釜加热
【单选题】
精馏塔塔釜液面空时不正确的处理方法是___。
A. 减小加热量
B. 增加回流
C. 减小塔釜采出量
D. 提高塔釜加热
【单选题】
精馏塔压差高的处理方法正确的是___。
A. 降低采出量
B. 降低釜液面
C. 保证产品质量的同时，适当减小回流
D. 提高灵敏板温度
