【判断题】
第682题:裂解炉不烧焦的情况下降温炉管部分或全部堵塞的机会是很小的
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第684题:润滑油可以倒入含油污水沟内不必回收
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第685题：为使压缩机充分预热，开车前必须对透平长时间低速暖机
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第686题:企业要充分利用国家对安全生产专用设备所得税优惠、安全生产费用税前扣除等财税支持政策。在年度预算中必须保证应急救援装备、设施和演练、宣传、培训、教育等投入，提高救护队员的工资福利及其他相关待遇
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第687题：进入受限空间作业时电焊机、变压器、气瓶应放置在受限空间内
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第688题：使用中的原料罐氮封停用的危害为可燃气从呼吸阀外漏，达到爆炸极限，遇明火爆炸
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第689題:为了有利于裂解气的分离裂解气压缩机出口压力越高越好
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第690题：用人单位应当按照规定对从事使用高毒物品作业的劳动者进行岗位轮换
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第691题：应急组织指挥体系或者职责已经调整的生产经营单位应急预案，可三年后修订
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第692题：可燃气体与空气形成混合物遇到明火就爆炸
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第693题：单位应当对消防档案分级保管、备查
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第694题:生产经营单位可以以货币或者其他物品替代应当按规定配备的劳动防护用品
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第695题：佩戴空气呼吸器作业时，当空气呼吸器罐内压力低于5MPa.发出报警声时，必须撤离危险区
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第696题:实行承包、租赁或者委托经营、管理时消防车通道、涉及公共消防安全的旒散设施和其他建筑消防设施应当由产权单位或者委托管理的单位统一管理
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第697題：阻聚剂有毒对皮肤有刺激性。如接触皮肤,可用凊水、肥皂或洗涤剂冼净
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第698题：乙炔加氢反应是吸热反应，因此裂解气进入反应器前需要用低压蒸汽加热
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第699题：滤毒罐存放有效期为2年，超过期限要重新鉴定
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第700题：压力容器运行操作时应保持平稳，禁止超负荷、骤然升降温度或压力
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可燃烧气体或蒸汽的危险程度与它们的爆炸下限成正比
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进入气体分析不合格的容器内作业应佩戴隔绝式呼吸保护装备
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硫化氢是强烈的神经毒物，有臭鸡蛋气味，臭味的增强与浓度的升高成正比
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如果误食了甲醛要立刻吐出来，在医生到达之前每隔15min喝一杯含有一茶匙小苏打的水
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应急预案的编制可以应急准备代替应急保障措施，也能满足本地区、本部门、本单位的应急工作要求
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除矿山、建筑施工单位和易燃易爆物品、危险化学品、放射性物品等危险物品的生产、经营、储存单位和中型规模以上的其他生产单位以外，其他生产经营单位应当对本单位编制的应急预案进行论证
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裂解炉烧嘴结焦或燃料气带液都可能造成烧嘴烧蚀
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身上着火，可就地打滚或用厚重衣物覆盖，压灭火苗
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工作人员进入反应器内部之前，应分析氧含量达19.5%~23.5%，有毒有害气体含量符合标准，设备外部有专人监护，并要求监护人与之保持经常的联系
【判断题】
佩戴空气呼吸器作业时，当空气呼吸器罐内压力低于2MPa，必须撤离危险区
【判断题】
生产经营单位制定的应急预案应当至少每三年修订一次，预案修订情况应有记录并归档
【判断题】
高心泵产生汽蚀时，除过済部件表面受到机械性质的破坏财以外，如果液体汽化时放出的气体有腐蚀作用.还会产生一定的化学性质破坏
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有些裂解工艺产生的单体会自聚或爆炸，需要向生产的单体中加阻聚剂或稀释剂等
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生产经营单位未制定应急預案，导致事故救援不力或者造成严重后果的由县级以上安全生产监督管理部门依照有关法律、法规和规章的规定，责令停停产停业整顿，并依法给予行政处罚
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发生人员中毒、窒息的紧急情况抢救人员必须佩戴隔离式防护面具进入受限空间并至少有1人在受限空间外部负责联络工作
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乙烯装置各系统在投用前要仔细检查导淋阀、安全阀的旁路是否已全部关闭
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从业人员在作业过程中应当严格遵守本单位的安全生产规童制度服从管理正确做蔵和使用劳动防护用品
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灭火的基本方法包括窒息法、隔离法、冷却法和抑制法
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【单选题】
Tom is a book lover. ______ likes reading very much.
A. He B. She C. You D. It
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—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
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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
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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
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5. I was looking for a birthday gift for my mother, but I couldnt find ______ suitable.
A. anything B. something C. nothing D. everything
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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
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7. She ______ very hard since she came to our school.
A. studies B. has studied C. is studying D. studied
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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
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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
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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
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11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
A. nice B. better C. terrible D. worse
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12. ______ Lin Feng has to work late, she always wears a smile on her face.
A. Because B. If C. Until D. Though
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13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
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14. We will have a _________ holiday after the exam．
A. two-month B. two month’s C. two month D. two-months
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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
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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
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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
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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
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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
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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
