刷题
导入试题
【多选题】
水带的压力损失与___等因素有关。
A. 水带内壁粗糙度
B. 水带长度
C. 水带直径
D. 水带内流量
E. 水带材质
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
ABCD
解析
暂无解析
相关试题
【多选题】
灭火的基本方法有:___。
A. 隔离法
B. 窒息法
C. 冷却法
D. 化学抑制法
E. 稀释法
【多选题】
消防车按功能可分为___消防车
A. 灭火消防车
B. 举高消防车
C. 专勤消防车
D. 后援消防车
E. 自行(遥控)消防车
【多选题】
寻找被困人员的方法有___。
A. 询问知情人
B. 派人员侦察
C. 用仪器探测
D. 用搜救犬寻找
【多选题】
任何物质发生燃烧必须具备三个条件___
A. 可燃物
B. 助燃物(氧化剂)
C. 着火源
【多选题】
燃烧产物对灭火工作的不利方面有___
A. 引起人员中毒
B. 会使人员烫伤
C. 影响视线
D. 造成火势发展、蔓延
【多选题】
物质本身自燃发热的原因有___
A. 物质氧化生热
B. 分解生热
C. 吸附生热
D. 聚合生热
E. 发酵生热
【多选题】
属于化学爆炸的物质是___
A. 炸药
B. 可燃气体
C. 粉尘爆炸
【多选题】
影响爆炸极限的因素。___
A. 温度
B. 压力
C. 含氧量
D. 容器
E. 火源性质
【多选题】
燃烧产物对灭火工作影响的不利方面___。
A. 引起人员中毒
B. 会使人员受伤
C. 影响视线
D. 增大火灾损失
E. 造成火势发展蔓延
【多选题】
影响热传导的因素___
A. 温度差
B. 导热系数
C. 导热物的截面积
D. 时间
E. 导热物厚度
【多选题】
集体主义的指导原则为:___。
A. 集体主义是正确处理集体利益的基本原则
B. 集体主义是正确处理国家利益的基本原则
C. 集体主义集中反映了广大劳动人民的根本利益
D. 集体主义是正确处理个人利益的基本原则
【多选题】
下列说法哪些是正确的___。
A. 对于水溶性甲、乙、丙类液体火灾,必须采用液上喷射泡沫方式,且必须选用抗溶性泡沫液
B. 对于非水溶性甲、乙、丙类液体火灾,当采用固定顶储罐时,可以采用液上喷射泡沫方式,也可以采用液下喷射泡沫方式
C. 对于非水溶性甲、乙、丙类液体火灾,采用液上喷射泡沫方式时,可以选用蛋白、氟蛋白、水成膜或成膜氟蛋白泡沫液
D. 对于非水溶性甲、乙、丙类液体火灾,采用液下喷射泡沫方式时,必须选用氟蛋白、水成膜或成膜氟蛋白泡沫液
E. 内浮顶储罐和外浮顶储罐不应选用液下喷射泡沫方式
【多选题】
当一建筑物第8层发生火灾,火灾自动报警系统的火灾警报装置与应急广播控制装置应先接通的部位是___。
A. 着火层
B. 第7层
C. 第9层
D. 第1层
E. 最上层
【多选题】
无固定冷却系统的液化石油气储罐区冷却用水量包括___。
A. 着火罐冷却用水量
B. 邻近罐冷却用水量
C. 配制泡沫的灭火用水量
D. 消防水池储水量
E. 设计消防用水量
【多选题】
气动破拆工具组主要用于___。
A. 凿门
B. 交通事故救援
C. 飞机破拆
D. 混凝土开凿
E. 船舱甲板破拆
【多选题】
举高消防车的安全装置主要由___组成。
A. 顺序控制机构
B. 软腿报警机构
C. 松绳报警机构
D. 自动断油系统
E. 红外探测机构
【多选题】
手抬机动消防泵具有___的特点。
A. 适用性广
B. 机动性强
C. 流量大
D. 供水能力强
E. 大功率
【多选题】
救生照明线适用于___。
A. 浓烟场所
B. 无照明场所
C. 水下作业
D. 有毒及易燃易爆气体环境
E. 高温火场
【多选题】
封闭式防化服主要用于___现场防护。
A. 放射性污染
B. 军事毒剂
C. 生化组合毒剂
D. 化学事故
E. 高温有火焰灼伤危险
【多选题】
空气泡沫炮按操纵方式可分为___。
A. 手动型
B. 船用型
C. 电动型
D. 陆用型
E. 气动型
【多选题】
消防组织的形式包括___。
A. 专职消防队
B. 消防救援队
C. 义务消防队
D. 志愿消防队
【多选题】
燃烧的类型有___。
A. 闪燃
B. 着火
C. 爆炸
D. 本身自燃
【多选题】
脉冲水枪主要用于扑救___火灾。
A. 交通工具
B. 电气线路、设备
C. 初期、小面积的A.B类
D. 碱金属
E. 油罐
【多选题】
腐蚀作用可分为化学腐蚀和电化学腐蚀,其中化学腐蚀包括:___。
A. 氰化物腐蚀
B. 碱腐蚀
C. 酸腐蚀
D. 无机盐腐蚀
【多选题】
高倍数泡沫发生器适用于___。
A. 扑救一般固体物质火灾
B. 油类火灾
C. 有限空间火灾
D. 大面积火灾
E. 排烟
【多选题】
压缩和液化气体的危险特性有___。
A. 可缩性和带电性
B. 易燃易爆性
C. 氧化性和膨胀性
D. 分解性和流动性
【多选题】
根据易燃液体储运的特点和火灾危险性的大小,我国《建筑设计防火规范》将易燃液体分为___类。
A. 甲
B. 乙
C. 丙
D. 丁
【多选题】
消防车按功能可分为___。
A. 灭火消防车
B. 举高消防车
C. 专勤消防车
D. 后援消防车
【多选题】
放射性物品的危险特性有___。
A. 放射性
B. 易爆性
C. 氧化性
D. 不可抑制性
【多选题】
腐蚀品的危险特性有___。
A. 腐蚀性
B. 毒害性
C. 不可抑制性
D. 氧化性
【多选题】
固体物质的燃烧方式有___。
A. 蒸发燃
B. 分解燃烧
C. 表面燃烧
D. 阴燃
【多选题】
火灾等级可分为___。
A. 特别重大火灾
B. 重大火灾
C. 较大火灾
D. 一般火灾
【多选题】
有毒物质侵入人体的途径有___。
A. 皮肤
B. 食道
C. 眼睛
D. 口腔
【多选题】
不同液体的蒸发速度随其所处状态的不同而变化,影响其蒸发速度的因素有___。
A. 温度
B. 暴露面
C. 比重
D. 压力
【多选题】
___燃烧可能产生沸喷现象。
A. 汽油
B. 重油
C. 柴油
D. 原油
【多选题】
___属于甲类火灾危险性液体。
A. 汽油
B. 煤油
C. 乙醚
D. 柴油
【多选题】
有毒气体探测仪能够同时检测四类气体,分别是___。
A. 可燃气体
B. 有毒气体
C. 一氧化碳
D. 氧气
【多选题】
根据可燃气体在通常条件下的使用形态和危险特征可分成___类型。
A. 燃烧液体的蒸汽
B. 分解爆炸气体
C. 助燃气体
D. 可燃液化气
【多选题】
影响毒害品毒害性的因素___。
A. 扩散性
B. 溶解性
C. 颗粒细度
D. 气温
【多选题】
液体与气体可燃物自燃点的影响因素有___。
A. 浓度
B. 含氧量
C. 催化剂
D. 容器的材质和内径
推荐试题
【单选题】
Tom is a book lover. ______ likes reading very much. A. He B. She C. You D. It
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【单选题】
7. She ______ very hard since she came to our school. A. studies B. has studied C. is studying D. studied
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【单选题】
11. How do you like the dishes, Eric? — Fantastic! Nothing tastes ________. A. nice B. better C. terrible D. worse
A. A
B. B
C. C
D. D
【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
【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
欢迎使用我爱刷题
×
微信搜索我爱刷题小程序
温馨提示
×
请在电脑上登陆“www.woaishuati.com”使用