相关试题
【单选题】
马克思主义政党的组织原则是 ___
A. 民主集中制
B. 人民代表大会制
C. 全党服从中央
D. 一切服从大局
【单选题】
劳动人民取得政权以后首先需要 ___
A. 进行阶级斗争
B. 实行按劳分配
C. 建立社会主义公有制
D. 尽快过渡到共产主义社会
【单选题】
在国家存在的情况下,社会占有生产资料所采取的形式是 ___
A. 国家所有制
B. 集体所有制
C. 社会所有制
D. 个人所有制
【单选题】
按劳分配的对象是 ___
A. 社会总产品
B. 生产资料
C. 消费资料
D. 社会财富
【单选题】
资本主义造就的埋葬自身的社会力量是 ___
A. 无产阶级
B. 科学技术
C. 巨大的社会财富
D. 社会化的生产力
【单选题】
马克思主义政党的最高纲领和最终奋斗目标是 ___
A. 建立社会主义制度
B. 实现共产主义
C. 成为社会主义事业的领导核心
D. 使工人阶级成为统治阶级
【单选题】
历史上最广泛、最彻底、最深刻的,不同于以往一切革命的最新类型的革命是 ___
A. 封建革命
B. 无产阶级革命
C. 资产阶级革命
D. 农民起义
【填空题】
explore ,transmit, resource, emerge,yield, pose, assume, confidence,inherit, comprehensive
Given the chance to show his ability, he regained [ ]and began to succeed in school
【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 new government has committed to [ ] emissions of greenhouse gases
【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
My parents do not object to my taking part-time jobs, but they remind me not to let them [ ] my school work
【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
Anger, worry, disappointment, these negative emotions [ ] your heart, brain and body
【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
If a person adopts an unhealthy lifestyle, he will surely be [ ]developing diseases.
【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
Most people were ready to give up on him when he [ ] of school, but later he returned and earned his degree
【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
Drinking too much can increase the risk of developing high blood pressure, which [ ] can lead to heart attack or stroke
【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
推荐试题
【单选题】
[202]干气密封主密封的作用是___。
A. 防止机体内物料外泄
B. 防止润滑油外泄
C. 防止润滑油漏入机体
D. 防止大气进入机体
【单选题】
[203]压缩机开车时,要遵循___的原则。
A. 升速要慢
B. 先升压后提速
C. 先提速后提压
D. 升速要快
【单选题】
[204]压缩机升速通过临界转速区域时,下列说法正确的是___。
A. 升速应平稳而均匀
B. 可作一定时间的停留
C. 要快速通过临界转速区域,不得长时间停留
D. 发生异常情况应强行通过
【单选题】
[205]压缩机开车时,关小返回时,要遵循___。
A. 先关低压,后关高压
B. 先关高压,后关低压
C. 高低压要同时关
D. 返回设为自动
【单选题】
[206]裂解气压缩机氮气运转后,系统接收裂解气之前,主密封气应为___。
A. 氮气
B. 低压蒸汽
C. 低压乙烯气
D. 高压乙烯气
【单选题】
[207]吸收是根据组分对吸收剂的___不同而进行的。
A. 挥发度
B. 密度
C. 溶解度
D. 重度
【单选题】
[208]气体吸收的推动力是___。
A. 密度差
B. 温度差
C. 压力差
D. 浓度差
【单选题】
[209]蒸馏是利用组分___的不同而进行的双向传质过程。
A. 溶解度
B. 浓度差
C. 挥发度
D. 密度
【单选题】
[210]碱洗塔水洗段的主要作用是___。
A. 洗涤裂解气中二氧化碳
B. 洗涤裂解气中的硫化氢
C. 洗涤裂解气中的苯
D. 洗涤裂解气中夹带的碱液
【单选题】
[211]T-203碱洗的目的是为了脱除裂解气中的___气体。
A. H2S+CO2
B. H2S+CO
C. CO+CO2
D. CH4+CO
【单选题】
[212] 建立油路系统前,必须先投用___,否则润滑油会漏入系统。
A. 氮气隔离气
B. 二级密封
C. 主密封气
D. 密封蒸汽
【单选题】
[213]压缩机油路系统开车时,调节泵出口油压的正确方法是___。
A. 调节泵的出口阀
B. 调节自立式压力调节阀
C. 调节自立式压力调节阀旁路
D. 调节泵的入口阀
【单选题】
[214]压缩机油路系统开车时,油冷器、油过滤器必须___。
【单选题】
[215]裂解气压缩机系统开车时,在碱洗塔循环操作时,应注意___,防止碱液倒流入裂解气碱洗过热器。
A. 塔釜不能满
B. 水洗段不能满
C. 中强碱段不能满
D. 强碱段不能满
【单选题】
[216]干燥器再生恒温阶段再生气用量最多的是___。
A. D-209
B. D-210
C. D-211
D. D-301
【单选题】
[217]用蒸汽加热的换热器E-223停用时___。
A. 不准先停物料入口
B. 不准先停物料出口
C. 不准先停蒸汽入口
D. 不准先停蒸汽凝液出口
【单选题】
[218]洗油罐V-961液位高时可排放到___。
A. HBD
B. CBD
C. V-223
D. V-220
【单选题】
[219]新鲜碱罐TK-201顶的氮封用的N2纯度为___。
A. 0.995
B. 0.99
C. 0.988
D. 0.9999
【单选题】
[220]洗油注入裂解气压缩机各段入口的目的是___。
A. 润滑
B. 除锈
C. 脱除重组分
D. 防止结焦
【单选题】
[221]废碱系统的废碱液有腐蚀并带颗粒性物质最适合用___。
A. 闸阀
B. 截止阀
C. 旋塞阀
D. 蝶阀
【单选题】
[223]压缩机的注水用的是___。
A. HP BFW
B. CW
C. DW
D. QW
【单选题】
[224]高压锅炉给水作为注水经___冷却后进压缩机
A. E-209
B. E-226
C. E-227
D. E-228
【单选题】
[225]废碱液中的黄油来自___。
A. 烃类冷凝和聚合
B. 随裂解气带来
C. 与碱反应的产物
D. 硫化氢与碱反应的产物
【单选题】
[226]一段吸入罐V-201罐顶安全阀PSV20001A/S排往___。
【单选题】
[227]系统脱出水分最多的地方是___。
A. 段间罐
B. D-209
C. D-210
D. D-211
【单选题】
[228]裂解气压缩机吸入罐联锁后的动作为___。
A. 切断裂解气进料阀
B. 切断透平主汽阀
C. 全开吸入罐凝液送出阀
D. 全关吸入罐凝液送出阀
【单选题】
[229]压缩机油系统润滑油泵使用的是___。
A. 离心泵
B. 往复泵
C. 螺杆泵
D. 流体泵
【单选题】
[230]C-601-X1-TK1油箱采用___加热方式。
A. 急冷水
B. LS
C. 电
D. 无任何加热
【单选题】
[231]正常运行时裂解气压缩机(C-201)主密封气的来源___。
A. 氮气管网
B. 五段出口的裂解气
C. 罐区泡点气
D. 乙烯机五段乙烯气
【单选题】
[232]裂解气压缩机(C-201)平衡管注气的来源___。
A. 氮气管网
B. 五段出口的裂解气
C. 罐区泡点气
D. 乙烯机五段乙烯气
【单选题】
[233]裂解气压缩机停车后,油路循环和隔离气的停用顺序___。
A. 先停油路循环
B. 先停隔离气
C. 同时停
D. 无所谓先后
【单选题】
[234]裂解气压缩机(C-201)干气密封采用双向槽的目的___。
A. 密封效果好
B. 不怕反转
C. 节省投资
D. 没有明显作用
【单选题】
[235]丙烯机C-501主油泵采用( )驱动,辅助油泵采用___驱动。
A. 中压蒸汽、电
B. 电、中压蒸汽
C. 中压蒸汽、中压蒸汽
D. 电、电
【单选题】
[236]干气预分馏塔的位号是___
A. T-406
B. T-407
C. T-402
D. T-408
【单选题】
[237]干气预分馏塔塔釜再沸器E-461的丙烯冷剂级别是___。
A. -40℃
B. -21℃
C. -1℃
D. 10℃
【单选题】
[238]干气预分馏塔塔顶冷凝器的E-462的丙烯冷剂级别是___。
A. -40℃
B. -21℃
C. -1℃
D. 10℃
【单选题】
[239]干气预分馏塔富乙烷气加热器E-465的加热介质是___。
【单选题】
[240]干气预分馏塔分离出来的富乙烯气返回段间罐是___。
A. V-202
B. V-203
C. V-204
D. V-205
【单选题】
[241]干气预分馏塔T-408的塔板数___。
A. 65
B. 145
C. 48
D. 170
【多选题】
裂解气脱除酸性气的目的是___。
A. 防止管线冻堵
B. 避免催化剂中毒
C. 保证产品合格
D. 提高乙烯收率