【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
A. A
B. B
C. C
D. D
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答案
D
解析
D
相关试题
【单选题】
13.You can save money _______ you buy cheaper things. A. before B. unless C. if D. until
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【单选题】
23. It was dark, ______ I couldnt see what was happening. A. or B. though C. but D. so
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【单选题】
( ) 26. Where does the writer of "The little Prince" come from? A.England. B.France. C.America. D.China.
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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.
A. A
B. B
C. C
D. D
【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.
A. A
B. B
C. C
D. D
【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.
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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.
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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.
A. A
B. B
C. C
D. S
【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.
A. A
B. B
C. C
D. D
【单选题】
( ) 37.The greatest river for navigation is ___________. A. the Nile B. the Amazon C. the Mekong D. the Mississippi
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【单选题】
) 1. Even Tony’s six-year-old son asked him ______ smoking. A. stops B. stopped C. to stop D. stopping
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【单选题】
4. If you read a lot, your life ______ full of pleasure. A. will be B. is C. be D. was
A. A
B. B
C. C
D. D
【单选题】
5. The black bag _________ be Annas. She has a blue one. A. should B. cant C. wouldnt D. could
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【单选题】
12. We all know that learning a foreign language _______ time and effort. A. requires B. reduces C. removes D. repeats
A. A
B. B
C. C
D. D
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生产过程中有人触电,首先应___
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C. 气体的粘度随着温度的升高而减少
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急冷水PH波动与___无关。
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下列碳原子数同的烃在同样条件下裂解时,___的乙烯收率最高。
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C. 异构烷烃
D. 环烷烃 .
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B. 废热锅炉出口
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___表示用重铬酸钾测定的化学需氧量。
A.
B. OD B.BOD
C. BCD
D. COD .
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对内部介质是有毒、易燃或污染环境的容器应选用___安全阀。
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B. 半封式
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B. 原料比重指数
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【单选题】
一般情况下,当裂解炉炉管渗碳大于___时,应考虑更换炉管。
A. 60%
B. 70%
C. 80%
D. 40%
【单选题】
下列哪种流量计不属于差压式流量计?___
A. 孔板流量计
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【单选题】
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A. 紧急停炉
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安全阀应该垂直装在汽包的___位置。
A. 最高
B. 最低 C.中间
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A. 所有金属
B. 钙镁 C.铜铁答文:B
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裂解炉辐射段炉管所用的HP-40材质为___。
A. 25Cr-35Ni
B. 20Cr-32Ni
C. 25Cr-20Ni
D. 25Cr-40Ni
【单选题】
不适宜做调节流体流量及输送含颗粒物料的阀门是___。
A. 旋塞阀
B. 截止阀
C. 闸阀
【单选题】
一般情况下,当裂解炉炉管渗碳大于___时,应考虑更换炉管。
A. 60%
B. 70%
C. 80%
D. 40%
【单选题】
下列不适合做裂解原油的是___。
A. 石脑油
B. 减压轻柴油
C. 常压轻柴油
D. 裂解汽油
【单选题】
在列管式换热器中,最常用的流体流向是___。
A. 逆流
B. 错流
C. 并流
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以下哪种泵启泵时出口阀可关死___。
A. 离心泵
B. 往复泵
C. 计量泵
D. 齿轮泵
【单选题】
离心泵盘不动车原因正确的为___。
A. 连轴节松动
B. 油箱液位太高
C. 泵出口有压力
D. 介质温度过高 C
【单选题】
现场导淋开启困难的原因有___。
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B. 锁紧螺母松动
C. 填料失效
【单选题】
下列物质属于有机物的是:___。
A. CO
B. H2CO3
C. CH3COOH
D. Na2CO3 C
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尾油的标准横跨温度为___。
A. 593℃
B. 679.5℃
C. 620℃
D. 559℃ D
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按压力容器的设计压力,压力在___的为中压容器。
A. 1.6Mpa≤P<10Mpa
B. 10Mpa≤P<100Mpa
C. P≥100Mpa
【单选题】
正常生产时,裂解单元废气的来源有___。
A. 裂解炉
B. 裂解炉超高压蒸汽汽包间断排污罐放空
C. 透平驱动蒸汽及背压蒸汽排放
D. 火炬排放
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C. 氢气的压缩
D. 乙烯的聚合
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【单选题】
在其它条件不变的情况下,增压气体反应的总压力,平衡将向气体分子数___的方向移动。
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B. 减少
C. 不变
【单选题】
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A. 泡沫灭火器
B. 干粉灭火器
C. 1211灭火器
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F-002炉共有___个燃烧器.
A. 8
B. 16
C. 32
【单选题】
一般规定原料中硫含量≥___时,可不必向原料中注硫。
A. 40PPm
B. 100PPm
C. 60PPm .
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原料与成本的关系是___。
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C. 一般地,原料越重,原料费用所占成本的比例越大
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控制裂解炉横跨段温度的主要目的是___。
A. 降低排烟温度,提高炉子热效率
B. 提高辐射段热负荷
C. 防止原料在对流段结焦 .
【单选题】
乙烯装置能源消耗集中在裂解炉区的比例为___。
A. 60-70%
B. 70-80%
C. 80-90% .
【单选题】
乙烯装置中的隔油池属于废水三级处理中的___。
A. 初级处理
B. 二级处理
C. 三级处理