相关试题
【单选题】
垫片密封的基本原理是靠外力压票密封垫片使其本身发生___。
【单选题】
在建筑厂房时应留够师决间距、构筑防火墙和隔染三往裸露的金属构件表面涂上防火涂料以及正确安设道风管道修，日的主要是防止建筑燃时的___。
【单选题】
新建、扩建、改建建设工程应当达到抗震设防要求。重大建设工星和可能发生严策次生爽害的建极工程应当按照国务院有关规定进行地震安全性评价并按照___进行抗震证防。
A. 经审定的地震安全性评价报告所确定的抗震设防蔬求
B. 地区地意设防更求
C. 抗黑定法
【单选题】
高心泵启动前出口阀关闭，其目的是防止___。
A. 启动后流体对调节阀的冲击液体倒流
B. 泵启动时因电机电流过高而烧坏电机
C.
【单选题】
单机试运一般不包括___阶段。
A. 换热器等静设备的试运
B. 机组有负荷运转
C. 机组无负荷运转
【单选题】
使用安全带应注意据动碰拉同时应___。
A. 高挂低用
B. 不论高度挂牢呵
C. 低挂高用
【单选题】
___用于防止燃烧的火炬气中带液体。
A. 干秋矩耀的加热盘管
B. 湿火柜罐的集水包
C. 火炬头下方的分子密封或曲撕密封
【单选题】
在处理安全生产事故过程中产生的可能严重污染水体的消防废水、废液___。
A. 可直接排入水体
B. 应采取防止污染措施
C. 少量直接排放
【单选题】
火炬系统点燃情况下，禁止下列___情况的发生。
A. 在火炬总管上开口漏入空气
B. 补入氮气
C. 增加火矩头蒸汽供给
【单选题】
应急准备是针对可能发生的事故为迅进、有序地开展应急行动而预先进行的组织准备和应急___
【单选题】
[单选题]第1101题:噪声治理的三个优先级顺序是___。
A. 降低声源本身的噪音、控制传播途径、个人防护
B. 控制传播途径、 降低声源本身的噪音、个人防护
C. 个人防护、降低声源本身的噪音、控制传播途径
【单选题】
[单选题]第1102题:液化石油气燃烧释放出___,存在中毒危险。
【单选题】
[单选题]第1103题:精心操作努力降低加热炉氧含量可以降低烟气中___浓度。
【单选题】
[单选题]第1105题:离心泵填料密封温度过高的原因之一是___。
【单选题】
[单选题]第1107题:任何单位和个人都有依法___的义务。国家鼓励、引导社会组织和个人开展地震群测群防活动,对地震进行监测和预防。国家鼓励、引导志愿者参加防震减灾活动。
A. 开展群测群防活动
B. 参加防震减灾活动
C. 支持防震减灾
【单选题】
[单选题]第1108题:备用泵盘车的方向- -般是___。
A. 逆时针向
B. 顺时针方向
C. 泵叶轮的运转方向
【单选题】
[单选题]第1109题:裂解炉设置超高压蒸汽高温联锁，主要是为了防止___。
A. 泡超压
B. 材料强度下降
C. )超高压蒸汽带水
【单选题】
[单选题]第1110题:可燃气体的爆炸下限数值越低;爆炸极限范围越大则爆炸危险性___。
【单选题】
[单选题]第111题:炼化装置无组织排放废气主要污染物为___。
【单选题】
[单选题]第1112题:利用安全检查表对生产系统进行评价时,检查表应全部列出将可能导致事故发生的___。
A. 物的不安全状态的频率
B. 人的不安全行为的概率
C. 按全因嗉
【单选题】
[单选题]第1113题:水是最常用的灭火剂，主要作用是___。
【单选题】
[单选题]第1114题:乙烯装置压力容器投入使用前和使用后___天内按规定办理压力容器使用登记证。
【单选题】
[单选题]第1115题:由于乙烯球罐的操作温度约为___C ,操作压力在(A)MPA 左右,因此要求乙烯球罐材料为耐低温的高强度钢。
A. -30,2.0
B. -20,1.5
C. -40,1.0
【单选题】
[单选题]第1116题:可燃混合物的化学反应速度越快反应放出的热量就越多，则___越大。
【单选题】
[单选题]第1117题:离心泵气缚的原因下列说法正确的是___。
A. 泵内有气体
B. 泵内液体汽化
C. 泵入口励低
【单选题】
[单选题第1118题:气密性试验时，如发现焊缝泄露，处理正确的是___。
A. 立即补焊
B. 等开工再处理
C. 泄压后补焊并重新气密
【单选题】
[单选题]第1119题:警告标志的基本型式是___。
【单选题】
[单选题]第1121题:脱丁烷塔再沸器出现___现象时必须切除清理否则影响产品质量。
A. 塔釜温度与挥发线温度之差呈 上升趋势，加热蒸汽量很大，灵敏板温度仍提不上来
B. 灵敏板温度偏低
C. 加热蒸汽发全开,灵敏板温度低
【单选题】
[单选题]第1122题:环境标准按标准性质划分为强制性标准和___标准。
【单选题】
[单选题]第1123题:“啡法排放、倾倒、处置危险废物超三吨的应追究___责任。
【单选题】
[单选题]第1124题:企业要充分利用和整合调度指挥、监测监控、办公自动化系统等现有信息系统建立___。
A. 急平台
B. 应急指挥体系
C. 应急响应中心
【单选题】
[单选题]第1125题:油脂接触纯氧发生燃烧属于___。
【单选题】
[单选题]第1126题:消火栓的保护半径不应超过___m。
【单选题】
[单选题]第1127题:对管束和壳体温差不大壳程物料较干净的场合可选___换热器。
【单选题】
[单选题]第1128题:紧急停车后。对碳二加氢反应器的处理，下列操作正确的是___。
A. 反应器无须泄压
B. 氢气进料只关闭调节阀即呵
C. 反应器进出口阀必须关闭
【单选题】
[单选题]第1129题:发生液化气、液氨等泄漏处置时应佩戴___手套。
【单选题】
[单选题]第1130题:中国政府坚定不移地贯彻执行环境保护这项___。
【单选题】
[单选题]第1131题:按照爆炸产生的原因和性质爆炸可分为___。
A. 物哩爆炸、 化学爆炸和核爆炸
B. 物哩爆炸、化学爆炸和分解爆炸
C. 炸药爆炸、化学爆炸和分解爆炸
【单选题】
[单选题]第1132题:观测到可能与地震有关的异常现象的单位和个人，可以向所在地___报告也可以直接向国务院地震工作主管部门]报告。
A. 省级以上地方人民政府负责管理地震工作的部门]或者机构
B. 国家负责管理地震工作的部门]或者机构
C. 县级以上地方人民政府负责管理地震工作的部或者机构
推荐试题
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
Low-cost airlines are emerging all over Asia; this will [ ]the development of the worlds air-travel market as a whole
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
When you move to a new country, you may find the food there strange and you may miss the familiar smells of the food [ ] in your country
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
Although he kept trying and failing, I always [ ] the belief that he would succeed one day.
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
The tax only affects people with an annual income over $200,000-[ ], it will only attect the very rich.
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
Studies[ ]that children who often take part in cooperative programs benefit a lot more than other children
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
They are such a(n) [ ] family- they must have been shocked when their son dyed(染) his hair pink,
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
Testing students by examinations has long been regarded as a reliable way to [ ]students'ability
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
Many power stations have been modernized to give off less pollution, or they were moved further away from the living areas in order to [ ] the damage,
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
Unemployment has come down slightly, but this does not [ ]the fact that it is still a major problem
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
Mr. Smith is not doing well; the doctor told us that several colds [ ]his health
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
The best way to deal with problems at home is to talk things out calmly and honestly and try to reach a(n) [ ]
【填空题】
open the door to，In advance，all at once，reap the benefits (of)， make the most of，over time， get by， stand a chance (of)，remind of， take pleasure in，
Experts say our company is amazing in that sales have been increasing steadily [ ]
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
After 10 years of full-time training, she has,finally [ ] as a professional dancer.
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
[ ], what is the point in taking part in the competitive event if the result is only to prove how incompetent you are?,
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
Redecorating the house is a challenging task. It's necessary to [ ] the wallpaper first.
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
I never really had any problems with change. On the contrary, I welcome change [ ]
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
A lot of what we [ ] is made from raw materials which are not renewable
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
Megan and John realized that their house was too messy for a new baby, so they decided to [ ] their house before the baby was born
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
Jennifer couldn't [ ] her tears when she saw the sick children at a new blood cancer center in Virginia
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
We want to give all children a world [ ] violence
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
Fortunately, the accident didn't [ ] many people, for there was little traffic at that hour.
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
She[ ] her ambition of becoming a fashion designer after years of hard work
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
They kept on trying their best to develop
their business, but in such [ ]market competition, they had no Idea if success would come along one day
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
As music plays an important role in our life, many music teachers and educators [ ] taking up a musical instrument at a young age
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
This rule should be entirely clear in the minds of everyone and should not be misunderstood under any [ ]
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
My daughter was shy; she was afraid to ask questions,[ ] to questions in class,or talk with other children
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
I got from him only a letter, which was put on my office desk; [ ] to the receipt of this letter I have never heard from him
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
The duties to provide services for children in need are not [ ] to the local social services department
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
We pray that all nations be [ ] and that all people around the world live in peace
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
It was reported the president had [ ]to fight If war was necessary,even if it meant destroying his chances of re-election
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
I had to [ ] one of my email accounts as it was filled with junk mail
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
Darwin's theory of evolution remains[ ] partly because it challenges the religious belief that God created man
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
He suggested a small but [ ] improvement on our former plan; I really appreciate it.
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
She held her hand above her eyes to [ ]them [ ] the sun so that she could see more clearly the man in front of her
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
The boy studied the signs for over an hour,but still could not [ ]them, so he turned to his teacher for help
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
They [ ] the developed countries to commit more money to protecting the environment
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
We will continue to care for those [ ] and work to establish a society that is generous and prosperous
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
Many people [ ]careers and raising kids so that they forget that their marriages also need to be taken good care of
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
My most favorite program is the one that deals with scientific subjects that ordinary people can [ ]
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
Finally, I would like to [ ]by saying that it has been a tremendous pleasure to work with you all
