【判断题】
在有瓦斯或煤尘爆炸危险的煤（岩）层中爆破时，必须采用正向爆破。
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相关试题
【判断题】
在两个平行巷道掘进中，当间距小于20m时，如果一个工作面需要进行爆破，应通知相邻巷道的全体人员撤至安全地点。
【判断题】
当运送硝化甘油类炸药或电雷管时，罐笼内只准放两层炸药箱，并加固不让滑动。
【判断题】
处理盲炮前应由爆破技术负责人定出警戒范围，并在该区域边界设置警戒，处理盲炮时无关人员不许进人警戒区。
【判断题】
临时存放的爆破器材数量，对大型爆破工程作业，应不超过当次爆破作业用量。
【判断题】
民爆库房内每个堆垛都应有标记品种、规格、数量的标识牌。
【判断题】
硝铵类炸药和黑火药可置于容器中用溶解法销毁。
【判断题】
保管员不得向未经确认为当班爆破作业人员身份的人员发放爆破器材。
【判断题】
爆破员应该掌握处理钻机或其他安全隐患的操作程序。
【判断题】
雷电、暴雨雪来临时，应停止爆破作业，所有人员应立即撤到安全地点。
【判断题】
运输民爆物品的车辆应按照规定的路线行驶，途中经停应当有专人看守，并远离建筑设施和人口稠密的地方，经本公司领导同意，可以在许可以外的地点经停。
【判断题】
导爆管雷管是专门与导爆管配套使用的雷管。
【判断题】
按照炸药在实际应用中的作用可将炸药分为：起爆药、猛炸药、火药及烟火剂四大类。
【判断题】
电子雷管采用三重密码保护，即爆破员、起爆器与雷管各自独立设置密码，三重密码对应起爆。
【判断题】
目前，常用的工业雷管主要有电雷管、导爆管雷管和电子雷管三大类。
【判断题】
炸药在岩土等固体介质中爆炸后产生的爆炸冲击波在固体介质内向四周传播过程中逐渐衰减为应力波，应力波进一步衰减为地震波，直至消失。
【判断题】
凡爆破后剩余的炸药、雷管等，应在下班后填写退料单如数退回民爆仓库，不准私自销毁或挪作他用。
【判断题】
在油气井维护作业中，一般将油气井压裂方法分为三种：一是机械压裂法；二是水力压裂法；三是高能气体压裂法。
【判断题】
处理盲炮时，应派有经验的安全员进行处理。
【判断题】
雷管爆炸，但因起爆能量不够，没有引爆炸药，这个现象属于半爆。
【判断题】
爆破毒气之一的一氧化碳是有色无味气体，能均匀地与空气混合、不易被人察觉。
【判断题】
装药完成后，应当将剩余的爆破器材撤离爆破作业面至临时存放点，由保管员检查清点后保管。
【判断题】
保管员应详实记录民用爆炸物品流向信息，并如实录入民用爆炸物品管理信息系统。
【判断题】
在民用爆炸物品储存库的治安防范措施中，储存库房属于技术防范措施
【判断题】
对雷管外观检查的样本量是从每1～5万发中任取40发。
【判断题】
安全员应监督爆破员按照操作规程作业，纠正违章作业。
【判断题】
爆破作业结束后应当及时检查、排除未引爆的民用爆炸物品。
【判断题】
根据《民用爆炸物品安全管理条例》的规定，爆破作业单位未经许可实施爆破作业的，由公安机关对单位处5万元以上20万元以下的罚款。
【判断题】
实施爆破作业，应当在安全距离以外设置警示标志并安排警戒人员，防止无关人员进入。
【判断题】
雷电、暴雨雪来临时，应停止爆破作业，所有人员应立即撤到安全地点。
【判断题】
物理爆炸的特征是爆炸时物质的形态和化学成分都发生变化。
【判断题】
导爆索是传递信号的索状传爆器材，用以传爆或引爆炸药。
【判断题】
棉线导爆索适用于无瓦斯、矿尘爆炸危险的爆破作业。
【判断题】
导爆管起爆网路由激发元件、传爆元件和联结元件组成。
【判断题】
目前，常用的工业雷管主要有电雷管、导爆管雷管和电子雷管三大类。
【判断题】
在有瓦斯、煤尘、矿尘爆炸危险的地方，只准选用防爆型起爆器。
【判断题】
裸露药包爆破时要注意大块石的形状，尽量将药包放置在凸形部位。
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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?
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A. not to do B. not do to
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— Yes, indeed. Its several years ________ I enjoyed myself so much.
A. when B. before C. since D. that
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About three kilometers away. You can take the No. 35 bus.
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A. anything B. something C. nothing D. everything
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A. father; Browns B. father's; Browns
C. father; the Browns D. father's; the Browns
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A. studies B. has studied C. is studying D. studied
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— _______. 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
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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
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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.
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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
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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
