相关试题
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灭火战斗行动是指消防人员从受理火警至灭火战斗结束整个过程的活动。由接警出动、火情侦察、火场警戒、战斗展开、火场供水、火灾扑救、火场救人、疏散与保护物资、火场破拆、火场排烟、火场摄像、战斗结束等主要环节组成。
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“先控制、后消灭”包含着控制与消灭、被动与主动的辨证关系。
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消防手套和消防靴主要是用来保护消防指战员手、足和小腿等部位免受伤害的装备。
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战斗展开分为准备展开、预先展开和全面展开三种形式。
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消防控制室必须实行每日24小时专人值班制度,每班不应少于2人。
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使用泡沫灭火剂灭火时,泡沫析出的液体对燃烧表面有冷却作用。
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扑救柴油罐火灾要密切观察火场情况变化,及时发现沸溢、喷溅征兆。
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距着火罐5倍直径范围内的相邻储罐均应进行冷却。
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燃烧是可燃物与氧化剂作用发生的放热反应,通常伴有火焰、发光和(或)发烟的现象。
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腐蚀破坏是自然界的一种普通现象,腐蚀作用可分为化学腐蚀和电化学腐蚀两大类。
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闪点主要是衡量液体物质火灾危险性的重要参数。
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危险化学品的生产、储存、使用单位,应当在生产、储存和使用场所设置通信、报警装置,并保证在任何情况下处于正常使用状态。
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硝铵炸药是硝酸铵和梯恩梯以及有机易燃物的混合物,一般是呈黑色或淡黄色的粉末。
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爆炸物质在爆炸过程中都是由化学爆炸引起的。
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甲苯稀释降毒以泄漏点为中心,在储罐或容器的四周设置水幕水带或喷雾水枪喷射雾状水进行稀释降毒。
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盐酸是无色或微黄色液体,低浓度时能产生酸雾,有刺鼻的酸味。
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扑灭甲苯火灾时,若使用干粉、二氧化碳扑救,灭火后不能喷射泡沫加以覆盖。
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公众洗消帐篷主要用于化学灾害救援中人员的洗消。
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粉尘爆炸所需的点火能量较低,而且热表面点燃较容易。
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放射源位置确定后,必须全力控制泄漏核物质,主要以工程技术人员为主,研究制定控核泄漏。
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随着燃烧的进行,可燃物减少;如果通风不良,有限空间内氧气被渐渐消耗,则可燃物不再发出火焰,已燃烧的可燃物呈阴燃状态。
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凡是能进入人体经化学变化而损伤人体的正常生理机能的物质,都叫毒物。
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放射性物品系指放射性比活度大于6.4错104错g/Kg的物质或物品。
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扑救极性溶剂错类火灾可以选用化学泡沫灭火器。
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扑救C类火灾应选用干粉、卤代烷、二氧化碳型灭火器。
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有毒气体泄漏现场警戒人员应当佩戴空气呼吸器。
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安全出口处可以设置门槛、台阶,疏散门应向外开启。
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防火卷帘门应具有停电情况下,通过手动拉链或熔断器控制防火卷帘门下降的功能。
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在切断用磁力开关启动的带电设备时,应先断开闸刀,然后再关闭设备电源。
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灭火器压力表指针处在正常位置为黄色区域。
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消防用电设备的电源不应装设漏电保护,当线路发生接地故障时,宜设单项接地报警装置。
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对于聚集于建筑物和地沟内的液化石油气,可打开门窗或地沟盖板,通过自然通风吹散。同时还可采用防爆机械送风进行驱散。
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液氯泄漏后体积迅速扩大,随风或向高处漂移,形成大面积染毒区。
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处置交通事故,应当调派抢险救援车、大型水罐车等特种车辆和侦检、警戒、破拆、救生、牵引、起吊等特种器材,并视情报政府启动应急预案,调动公安、交通、卫生、环保等相关部门及单位救援力量参与处置。
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处置建筑倒塌事故,应当调派抢险救援车、举高车等车辆和生命探测、漏电检测、燃气侦检、救生、破拆、牵引、起吊、支撑等特种器材、设备,并视情报政府启动应急预案,调动建设、公安、卫生、通信、供气、供电、供水等相关部门及单位救援力量参与处置。
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在初起火灾发生时凡是能够用于扑灭火灾的所有工具都可以称为简易灭火工具。
推荐试题
【单选题】
构成胚胎的原始物质是___
A. 先天精气
B. 后天精气
C. 水谷精气
D. 自然清气
E. 营气
【单选题】
营气和卫气的共同特点是___
A. 来源相同
B. 性质相同
C. 特点相同
D. 分布相同
E. 功能相同
【单选题】
心神的物质基础是___
A. 血
B. 气
C. 精
D. 津
E. 营气
【单选题】
津液变成汗、尿是气的何种功能___
A. 推动作用
B. 温照作用
C. 防御作用
D. 气化作用
E. 固摄作用
【单选题】
津液输布的主妥通道为___
A. 经络
B. 赎理
C. 尿道
D. 三焦
E. 骨
【单选题】
气的运行受阻,运行不利,称为___
A. 气滞
B. 气结
C. 气闭
D. 气机不畅
E. 气机失调
【单选题】
与人的睡眠有密切关系的气是___
A. 宗气
B. 元气
C. 卫气
D. 营气
E. 牌气
【单选题】
机体内物质转化和能量转化过程有赖于气的___
A. 推动作用
B. 温熙作用
C. 固摄作用
D. 气化作用
E. 防御作用
【单选题】
下列哪一项是人体正常水液的总称___
A. 体液
B. 阴液
C. 津液
D. 津
E. 液
【单选题】
津液化为汗液排出体外,主要依赖于什么作用___
A. 心主血脉
B. 肺主宣发
C. 肾主气化
D. 肝主疏泄
E. 脾主统摄
【单选题】
下列除哪一项外均是血液正常运行所必需的条件___
A. 血液充盈
B. 脉道通畅
C. 肺脾肾功能正着
D. 心气充沛
E. 三焦通利
【单选题】
气能生津的机理是___
A. 气为生津的物质基础
B. 气为生津的动力
C. 气为生津的物质基础和动力
D. 气能化生精气
E. 气能生血,血能化津
【单选题】
血和津液生成的共同物质来源是___
A. 水谷精微
B. 宗气
C. 精
D. 元气
E. 营气
【单选题】
昼行于阳,夜行于阴的气是___
A. 营气
B. 卫气
C. 元气
D. 宗气
E. 肾气
【单选题】
“夺血者无汗”的生理基础是___
A. 肝肾同源
B. 乙类同源
C. 津血同源
D. 精血同源
E. 以上均不是
【单选题】
Q1: What does the man suggest that the woman do this weekend?___
A. Read J .K .Rowling's first book .
B. Go to buy a new Harry Potter book .
C. Watch BBC news about J .K .Rowling .
D. Take her cousin to see a new Harry Potter movie .
【单选题】
Q2: Where did J. K. Rowling come up with the idea for Harry Potter?___
A. At a cafe .
B. On a train .
C. At a cinema .
D. In a bookstore .
【单选题】
Q3: What are J. K. Rowling’s future plans?___
A. She won't write any more books .
B. She will write more magic stories .
C. She hasn't said anything about her future plans .
D. She said she would work on more serious subjects .
【单选题】
Q4: What are the two speakers mainly talking about?___
A. J.K. Rowling's secret .
B. J .K .Rowling's writing plan .
C. A new book by J .K.Rowling.
D. An interview with J .K .Rowling .
【单选题】
Q1: What happened when Stephen tried to remove a bottle of milk from the refrigerator?___
A. He broke the milk bottle .
B. He fell down on the floor .
C. He made a mess inside the refrigerator .
D. He spilled the milk over the kitchen floor .
【单选题】
Q2: What did Stephen’s mother do when she came into the kitchen?___
A. She gave him a long lecture .
B. She shouted at him in anger .
C. She enjoyed the wonderful mess .
D. She cleaned up the mess with him .
【单选题】
Q3: What did Stephen’s mother teach him later?___
A. How to do an experiment .
B. How to carry a milk bottle .
C. How to clean up spilled milk .
D. How to avoid making mistakes .
【单选题】
Q4: What did Stephen learn from this experience?___
A. Mistakes can become learning opportunities .
B. Mistakes are just like scientific experiments .
C. One should sometimes make mistakes .
D. One should try to avoid making mistakes .
【单选题】
Q1: Why is surfing the man’s favorite activity?___
A. Because he likes the sunny weather.
B. Because he wants to challenge himself .
C. Because it can help solve his sleeping problem .
D. Because it can help him forget all his troubles .
【单选题】
Q2: What is the woman going to do this weekend?___
A. To go sailing .
B. To go surfing .
C. To go to the beach .
D. To go to her nephew's .
【单选题】
Q3: What does the woman love doing?___
A. Going to visit relatives.
B. Enjoying the warm sun on the beach .
C. Building sand castles with her niece and nephew .
D. Playing in the sand and jumping in the waves .
【单选题】
Q4: What does the man remember doing with his brothers?___
A. Surfing in the sea .
B. Collecting seashells .
C. Building sand castles .
D. Jumping in the waves .
【单选题】
Q1: According to the survey, what percentage of British adults watched TV in theirfree time?___
A. 89 percent .
B. 84 percent .
C. 76 percent .
D. 71 percent .
【单选题】
Q2: Which age group would be the most likely to visit their friends and relatives?___
A. People aged 16 to 24
B. People aged 25 to 34 .
C. People aged 16 and over .
D. People aged 55 and over .
【单选题】
Q3: What does the speaker say about listening to music as a leisure activity for British people?___
A. People aged 16 to 24 preferred listening to music most .
B. It was getting more and more popular among the British people .
C. It was the third most popular activity among people aged 55 and over .
D. People aged 25 to 34 listened to music more often than those aged 16 to 24 .
【单选题】
Q4: According to the survey, how are leisure activities related to age?___
A. Older people go out to pubs more often . frequently .
B. Younger people go to the cinema less frequently.
C. Older people spend more time reading and gardening .
D. Younger people spend less time visiting friends and family .
【单选题】
Q1: Why was the girl excited?___
A. She is going to have a lot of vanilla ice cream .
B. She won the spelling competition at her school .
C. She is going to the state capital for a competition .
D. She "excellence"correctly,but others didn't .
【单选题】
Q2: What happened when the man was 13 years old?___
A. His family moved to Sacramento to settle down .
B. His family bought him a new suit and a new tie .
C. He went to Sacramento for a spelling competition .
D. He won the first prize in the state spelling competition .
【单选题】
Q3: Why did the man’s mom give him a big hug?___
A. To make him feel better after he lost the first prize .
B. To apologize for not buying him some ice cream .
C. To wish him good luck in the next competition .
D. To congratulate him on winning the first prize .
【单选题】
Q4: What color is the girl going to wear for her next competition?___
A. Red .
B. Blue .
C. Green .
D. Yellow .
【单选题】
Q1: What is this passage mainly about?___
A. Superstitions and science .
B. Tips on how to have good luck .
C. Superstitions in the United States .
D. Rational and superstitious societies .
【单选题】
Q2: According to the passage, what is considered as bad luck?___
A. Walking under a ladder .
B. Dreaming of a black cat .
C. Hanging a mirror in the house .
D. Stepping on one's own shadow .