相关试题
【多选题】
深孔和硐室爆破可选用哪些起爆方法？___
A. 电力起爆
B. 导爆索起爆
C. 导爆管起爆
【多选题】
下面哪些是电力起爆法中常用的起爆电路？___
A. 串联电路
B. 并联电路
C. 串并联电路
D. 簇联电路
【多选题】
导爆管雷管由以下哪些部分组成？___
A. 管壳
B. 加强帽
C. 装药部分
D. 电引火头
【多选题】
影响爆破效果的因素有哪些？___
A. 岩石性质
B. 装药结构
C. 爆破参数
D. 爆破工艺
【多选题】
以下哪些是高温爆破采用的降温方法？___
A. 采挖阻断法
B. 压覆窒息法
C. 高压吹风法
D. 注水灭火法
【多选题】
在硐室爆破作业中，可采用下列哪些器材来照明？___
A. 蜡烛
B. 油灯
C. 36V低压电
D. 矿灯
【多选题】
以下哪些是对爆破安全警戒人员的要求?___
A. 忠于职守、认真负责
B. 佩戴标志、携带红、绿旗、对讲机、口哨等警戒用品
C. 能坚守岗位，在指定的警戒点值勤
D. 严格执行安全警戒信号的规定
【多选题】
下面哪些是毫秒爆破经常采用的起爆顺序？___
A. 孔间顺序起爆
B. 排间顺序起爆
C. 同时起爆
【多选题】
以下哪些措施有助于防止电力起爆网路出现拒爆？___
A. 保证流经每个雷管的电流满足准爆电流的要求
B. 电爆网路应与大地绝缘，防止漏电
C. 保证足够的警戒距离
D. 雷雨天不应采用电爆网路
【多选题】
为防止发生因雷电引起的早爆事故，应采取哪些安全措施？___
A. 增加填塞长度
B. 采用非电起爆系统
C. 采用电起爆系统时，在爆区要设置避雷或预报系统
D. 装药、联线过程中遇有雷电来临征兆或预报时，应迅速撤离危险区内的一切人员
【多选题】
严禁在下列哪些部位进行拆箱、装配或拆解等处置爆破器材的活动？___
A. 库房内
B. 发放间
C. 临时存放的堆垛旁边
【多选题】
下列哪些规定是临时存放爆破器材作业应当遵守的？___
A. 临时存放处悬挂醒目标志，确需夜间存放的，晚上挂有红灯
B. 炸药与雷管分别堆垛存放，两者相距不少于25米
C. 做好防雨、防水、防晒措施，根据必要使用垫木，覆盖帆布或搭简易的帐棚
【多选题】
装运爆破器材的车（船），应具有___、防雨、防潮、防静电等安全性能。
【多选题】
爆破器材的发放和回收应在单独的发放间（或发放硐室）里进行，不应在下列哪些场所内发放？___
【多选题】
以下哪些是保管员的岗位职责？___
A. 验收、保管、发放、回收民用爆炸物品
B. 制止无爆破作业资格的人员从事爆破作业
C. 发现、报告变质或过期的民用爆炸物品
【多选题】
下列哪些属于原国防科工委、公安部公布的《民用爆炸物品品名表》中的民爆物品？___
A. 工业炸药
B. 工业雷管
C. 工业索类火工品
【多选题】
爆破作业场所有下列哪些情形时，不应进行爆破作业？___
A. 岩体有冒顶或边坡滑落危险的
B. 炮孔温度异常的
C. 更换了一台新起爆器
【多选题】
下列哪些是炸药？___
A. 导爆索
B. 乳化炸药
C. 毫秒雷管
D. 梯恩梯
【多选题】
下列哪些爆炸属于化学爆炸？___
A. 细煤粉爆炸
B. 甲烷爆炸
C. 高压气瓶爆炸
D. 瓦斯爆炸
【多选题】
以下哪些是电子雷管起爆法的优点？___
A. 延时精度高
B. 几乎不受外界电能的影响
C. 成本低
D. 可以在起爆前检测网路的完好性
【多选题】
下列哪些能起爆导爆管？___
A. 雷管
B. 导爆索
C. 电火花
D. 高压气体
【多选题】
下列哪些是组成电子雷管起爆网路系统的要件？___
A. 欧姆表
B. 铱钵表
C. 数字密钥
D. 导爆管雷管
【多选题】
当炸药置于无限大的均匀岩石介质中爆炸时，将会在岩石中形成以炸药为中心的由近及远的不同破坏区域，分别称为___。
A. 装药区
B. 粉碎区
C. 裂隙区
D. 振动区
【多选题】
以下哪些是对爆破安全警戒人员的要求?___
A. 忠于职守、认真负责
B. 佩戴标志、携带红、绿旗、对讲机、口哨等警戒用品
C. 能坚守岗位，在指定的警戒点值勤
D. 严格执行安全警戒信号的规定
【多选题】
以下哪些是水下爆破的特点？___
A. 钻孔时需要下套管
B. 需要按开挖断面和船位有序地进行钻孔爆破
C. 钻爆施工难度较陆域小，爆破后的碎石容易清碴
D. 爆破器材要有良好的防水密封性能
【多选题】
下列哪些操作是敷设电起爆网路处理接头时必须做到的？___
A. 截去一定长度
B. 将连接部位清理干净
C. 连接牢固
D. 用胶布缠紧
【多选题】
爆破作业期间安全警戒的任务是什么？___
A. 禁止无关人员进入
B. 防止爆破器材丢失
C. 协助爆破员传递工具
D. 制止人员在作业区内吸烟、打闹、违章作业等
【多选题】
在爆破有害效应中，哪些容易造成人员伤亡和财产损失？___
A. 爆破飞散物
B. 爆破振动
C. 爆破冲击波
D. 爆破毒气
【多选题】
以下哪些措施有助于防止电力起爆网路出现拒爆？___
A. 保证流经每个雷管的电流满足准爆电流的要求
B. 电爆网路应与大地绝缘，防止漏电
C. 保证足够的警戒距离
D. 雷雨天不应采用电爆网路
【多选题】
爆破器材生产单位场内运输爆炸物品车辆的押运工作可以由___和（ ）负责。
A. 安全员
B. 爆破员
C. 押运员
D. 保管员
【多选题】
下列哪些民爆器材允许以最小包装单元发放？___
【多选题】
在检验雷管作业时，要严格杜绝雷管从___跌落。
【多选题】
检验爆破器材的作业人员应该掌握和熟悉下列哪些内容？___
A. 熟悉产品的结构、工作原理、使用方法
B. 掌握规定的质量检查项目、检查方法
C. 掌握产品合格标准、检查时的安全要点
【多选题】
保管员需要考核以下哪些内容？___
A. 爆破作业现场安全管理要求
B. 民用爆炸物品流向登记规定
C. 验收、保管、发放、回收民用爆炸物品的安全管理规定
【多选题】
从事民用爆炸物品___、质量监督检测等需要使用民用爆炸物品的单位，也同样适用《民用爆炸物品安全管理条例》。
【多选题】
爆破作业场所有下列哪些情形时，不应进行爆破作业？___
A. 岩体有冒顶或边坡滑落危险的
B. 炮孔温度异常的
C. 更换了一台新起爆器
【多选题】
下列哪些是炸药？___
A. 导爆索
B. 乳化炸药
C. 毫秒雷管
D. 梯恩梯
【多选题】
以下哪些是炸药爆炸过程的基本特征？___
A. 爆炸反应是放热的
B. 爆炸变化是高速的
C. 产物多数是气态的
D. 产生核辐射
【多选题】
下面哪些是导爆索起爆法中常用的起爆网路？___
推荐试题
【单选题】
Tom is a book lover. ______ likes reading very much.
A. He B. She C. You D. It
【单选题】
—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
【单选题】
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
【单选题】
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
【单选题】
5. I was looking for a birthday gift for my mother, but I couldnt find ______ suitable.
A. anything B. something C. nothing D. everything
【单选题】
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
【单选题】
7. She ______ very hard since she came to our school.
A. studies B. has studied C. is studying D. studied
【单选题】
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
【单选题】
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
【单选题】
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
【单选题】
11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
A. nice B. better C. terrible D. worse
【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
【单选题】
13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
【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
【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
【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
【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
【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
【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
【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
