【判断题】
创伤急救时，如果伤员颅脑外伤，应使伤员采取平卧位，保持气道通畅，若有呕吐，应扶好头部和身体，使头部和身体同时侧转，防止呕吐物造成窒息
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相关试题
【判断题】
冻伤急救时，应将伤员身上潮湿的衣服剪去后用干燥柔软的衣服覆盖，并立即烤火或搓雪
【判断题】
毒蛇咬伤后，不要惊慌、奔跑、饮酒，以免加速蛇毒在人体内扩散．
【判断题】
怀疑可能存在有害气体时，应立即将人员撤离现场，转移到通风良好处休息。抢救人员进入险区应戴防毒面具
【单选题】
可燃气体的危险程度与___成反比，与爆炸范围爆炸上限成正比。
A. 爆炸上限爆炸范围
B. 爆炸下限爆炸范围
C. 爆炸范围爆炸上限
D. 爆炸范围爆炸下限
【单选题】
化学品安全标签不包括___。
A. 化学品和其主要有害组分标识(名称、分子式、化学成分及组成、编号、标志)
B. 警示词(危险、警告、注意)
C. 危险性概述
D. 化学品制作工艺
【单选题】
___是单位时间烧掉的可燃物质数量，
A. 火焰传播速度；
B. 反应速度；
C. 火灾速度；
D. 燃烧速度
【单选题】
烟花爆炸是属于___
A. 核爆炸；
B. 物理爆炸；
C. 化学爆炸；
D. 蒸汽云爆炸；
【单选题】
燃烧三要素是___。
A. 可燃物、助燃物、火源
B. 物质闪点、燃点、沸点
C. 火柴、氢气、可燃液体
D. 可燃液体、燃点、沸点
【单选题】
关于可燃液体的燃烧过程，描述正确的是___。
A. 氧化分解—气化—燃烧
B. 燃烧—气化—氧化分解
C. 气化—燃烧—氧化分解
D. 气化—氧化分解—燃烧
【单选题】
物料在管线中运动时，流速最大的是___。
A. 管线中心
B. 管壁处
C. 管线中心与管壁之间
D. 弯头处
【单选题】
提高对流传热系数的途径有___。
A. 使流体在换热器具中达到湍流流动
B. 增大流速
C. 除A、B外在管内装置添加物
D. 提高温度
【单选题】
可直接承受较大径向载荷及轴向载荷的轴承是___。
A. 向心轴承
B. 向心推力轴承
C. 推力轴承
D. 滑动轴承
【单选题】
齿轮减速机构的减速比是固定的，它决定于___。
A. 设备性能
B. 设备结构
C. 设备的规格
D. 设备材质
【单选题】
转动设备应设有___，设备运转时，禁止擦拭转动部位。
A. 压力表
B. 温度表
C. 安全罩
D. 油位计
【单选题】
换热器常常需要清理的目的是提高___。
A. 传热面积
B. 传热温差
C. 传热系数
D. 改变传热方式
【单选题】
换热设备物料或介质在设备一侧进,另一侧出,该设备一定是___的换热设备｡
A. 奇数管程
B. 偶数管程
C. 单管程
D. 双管程
【单选题】
压缩机C-300HP缸2Mch608中8为何意___。
A. 叶轮数
B. 叶轮分布形式
C. 叶轮直径
D. 叶轮材质代号答文
【单选题】
一叶片泵上标有YB-100，则其中的“100”指的是___。
A. 压力
B. 流量
C. 无任何意义
D. 扬程
【单选题】
当工艺压力超过某定值，自动开启泄压的阀门为___。
A. 减压阀
B. 调节阀
C. 安全阀
D. 单向阀
【单选题】
容积泵一般使用在___的工艺系统中。
A. 流量大扬程高
B. 流量大扬程小
C. 流量小扬程高
D. 流量小扬程小
【单选题】
根据塔的结构分类，脱乙烷塔是___塔。
【单选题】
精馏塔根据结构大致可分为（）塔和___塔两大类。
A. 连续精馏，间歇精馏
B. 板式，填料
C. 规整，散堆
D. 浮阀、泡罩
【单选题】
某三相交流电机，使用对地电压为220V电源，其线电压___。
A. 380V
B. 220V
C. 250V
D. 120V
【单选题】
将电气设备正常情况下不带电的金属部分与电网的保护零线进行连接，称作___。
A. 保护接地
B. 保护接零
C. 工作接地
D. 工作接零
【单选题】
流体在___过程中，不会产生静电
A. 过滤；
B. 喷射；
C. 静止；
D. 冲刷；
【单选题】
有三块0~6MPa压力表，假如生产上要求准确到±0.1MPa即可选择___级的压力表。
A. 1.0
B. 1.6
C. 2.5
D. 4.0
【单选题】
下列情况下，压力表可以不更换而继续使用的是___。
A. 表盘刻度模糊不清
B. 指针断裂
C. 接口漏
D. 外壳腐蚀
【单选题】
在调节系统中，将测量的参数转化为统一信号的装置叫___。
A. 控制器
B. 变送器
C. 调节阀
D. 继电器
【单选题】
气动调节阀模头严重漏气，易使仪表失去___。
A. 调节范围
B. 调节作用
C. 输入信号
D. 输出信号
【单选题】
边长超过___的洞口，四周设防护栏杆，洞口下方设安全网。
A. 130cm
B. 150cm
C. 180cm
D. 200cm
【单选题】
在动火过程中，监护人发现动火点附近有阀门盘根有油气泄漏，应___。
A. 立即对泄漏的阀门进行处理
B. 立即停止动火
C. 立即报警，通知消防队
D. 加强对泄漏点的监控，如泄漏量大则停止动火
【单选题】
固定消防设施纳入设备和安全管理，建立消防设施台帐，实行___。
A. 岗位负责
B. 交接班负责
C. 专人负责
D. 领导负责
【单选题】
对于在岗的员工，___至少进行1次消防安全培训。
【单选题】
当侧线产品以液相引出时，精馏塔侧线温度应是处于侧线产品的油气分压下的___。
A. 露点温度
B. 泡点温度
C. 露点
D. 夹点
【单选题】
蒸馏的基本原理是将液体混合物部分气化,利用___的特性，实现分离目的的单元操作。蒸馏按照其操作方法可分为：简单蒸馏、闪蒸、精馏和特殊精馏等。
A. 相对挥发度
B. 初馏点
C. 终馏点
D. 相对密度
【单选题】
火炬分子封的作用___。
A. 排除凝液
B. 减少排放
C. 防止回火
D. 降低管网压力
【单选题】
设备、管线的厚度原则上大于或等于___时，才允许带压开孔作业。
A. 2.5mm
B. 3.5mm
C. 4.5mm
D. 5.5mm
【单选题】
下图所示的加热炉温度调节系统，根据工艺要求，出现故障 时炉子应当熄火，下述说法正确的是___。
A. 调节阀是风开阀，调节器正作用
B. 调节阀是风关阀，调节器正作用
C. 调节阀是风关阀，调节器反作用
D. 调节阀是风开阀，调节器反作用
【单选题】
液化气体钢瓶常用的泄压装置是___。
A. 安全阀
B. 爆破片
C. 爆破帽
D. 易熔塞
推荐试题
【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
【单选题】
) 1. Even Tony’s six-year-old son asked him ______ smoking.
A. stops B. stopped C. to stop D. stopping
【单选题】
2.—What do you think of the lecture of Li Yang’s Crazy English?
— I think it’s _______ , but someone thinks it’s much too ________.
A. wonderful enough; bored B. enough wonderful; boring
C. enough wonderful; bored D. wonderful enough; boring
【单选题】
3.—He didn’t go to the lecture this morning, did he?
— _____ ．Though he was not feeling very well．
A. No, he didnt B. Yes; he did C. No, he did D. Yes, he didnt
【单选题】
4. If you read a lot, your life ______ full of pleasure.
A. will be B. is C. be D. was
【单选题】
5. The black bag _________ be Annas. She has a blue one.
A. should B. cant C. wouldnt D. could
【单选题】
6. Susan, why are you still here? They are all ready to start.
Im sorry, but I _________ when to start.
A. dont tell B. wasnt told C. didnt tell D. havent told
【单选题】
7.—Why dont you choose the red tie?
—For me, it doesn’t _____ my shirt very well．
A. fix B. accept C. compare D. match
【单选题】
8. — Could you tell me ______? I must find him．
— Sorry．I don’t know．But he was here just now．
A. where Tom was B. where Tom is
C. where has Tom gone D. where can I find Tom
【单选题】
9. —What did Mr Green say to you?
— What a heavy rain! How did you come here? He asked________.
A. at all B. in fact C. in surprise D. as a result
【单选题】
10. I often see Tom on the playground．When I passed the playground yesterday, I saw him ．
A. play; playing B. to play; play C. playing; to play D. playing; play
【单选题】
11. — Mum, could I have ____________ to drink?
— Oh, dear．You can only drink some water．There is _________ in the kitchen．
A. anything; else something B. anything; something else
C. something; else nothing D. something; nothing else
【单选题】
12. We all know that learning a foreign language _______ time and effort.
A. requires B. reduces C. removes D. repeats
【单选题】
13. Her son __________ Coke, but now he __________ milk．
A. is used to drinking; used to drink B. used to drink; uses to drink
C. used to drink; is used to drinking D. is used to drink; is drinking
【单选题】
14. I don’t know the teacher is talking with Miss Wang．
A. what B. whom C. who D. which
【单选题】
15.Millie does __________ that many people are thankful to her．
A. such an important and helpful job B. so important and helpful work
C. a very important and helpful job D. such an important and helpful work
【单选题】
16. I think eating more vegetables is good _______ our health.
—Yes, I agree _______ you.
A. at, to B. for, with C. to, to D. for, to
【单选题】
17. I often go on holiday with my parents _____ summer.
A. in B. at C. on D. of
【单选题】
18. I called you at 4:00 yesterday afternoon, but nobody answered.
Sorry, I ______ with my friends at that time.
A. had swum B. swam C. would swim D. was swimming
【单选题】
19.––Who is on the playground? ---__________．
A. Never B. None C. No one D. A lot
【单选题】
20. The schoolboy ______ a blind man cross the street yesterday.
A. helps B. helped C. will help D. has helped
【单选题】
21. —The 2010 World Expo which will last 184 days will be held in Shanghai on May 1st.
—________exciting news! We shall try our best to support it.
A. How B. How an C. What D. What an
【单选题】
22. They preferred ______ in bed rather than _____ horses．
A. to lie; to ride B. lying; riding C. lying; ride D. to lie; ride
