相关试题
【单选题】
下列不属于能引起M401停的原因的是___。
A. K401停
B. PAHH40004
C. PALL40004
D. 打开PV40002
【单选题】
共聚时加入乙烯的目的是提高产品的___。
A. 抗冲击性能
B. 刚性
C. 硬度
D. 结晶度
【单选题】
R401内的反应介质是以___形式存在的。
【单选题】
C301顶部至400单元的气相冲洗丙烯用户没有以下哪一项___。
A. HV40003处
B. LV40001处
C. HV40004处
D. M401密封处
【单选题】
氢气经氢气压缩机压缩后，则___。
A. 压强增大，体积缩小
B. 压强增大，体积增大
C. 压强缩小，体积增大
D. 压强缩小，体积缩小
【单选题】
下列不属于I304联锁发生的原因的是___。
A. LSL30101
B. PDALL30103
C. LSH50002
D. TSL30101
【单选题】
D302的压力高PAH30302可引起___联锁。
【单选题】
冷冻水中添加乙二醇的含量保持在___。
【单选题】
凝液系统开车，首先向凝液罐中补充___。
A. 新鲜水
B. 循环水
C. 脱盐水
D. 以上都可以
【单选题】
本装置的制冷剂是___。
A. F12
B. F22
C. 丙烯
D. 乙二醇
【单选题】
经过PA601冷冻机后其冷冻水给水RWS温度是___。
A. -2℃
B. 2℃
C. 10℃
D. 20℃
【单选题】
D301高压引起I301联锁的压力设定值为___。
A. 2.2MPaG
B. 2.1MPaG
C. 2.0MPaG
【单选题】
自E301的尾气的取样点为___。
A. AC11
B. AC13
C. AC14
D. AC12
【单选题】
D301低温TALL30003引起I301联锁的设定值为___。
【单选题】
SR301/D501压差PDALL30103，引起I304联锁的设定值为___。
A. 0.005MPaG
B. 0.008MPaG
C. 0.01MPaG
【单选题】
聚丙烯装置低压排放罐的压力一般在___Mpa。
A. 0.03-0.04
B. 0.04-0.05
C. 0.05-0.08
D. 火炬背压
【单选题】
HV30001切向排放时一般指向___。
【单选题】
原料丙烯中的水含量工艺指标设计要求小于___ppm。
【单选题】
C701主要作用是去除原料中的___。
A. CO
B. H2O
C. COS
D. O2
【单选题】
C703再生使用的介质是___。
A. 热氮气
B. 丙烯气
C. 氢气
D. 空气
【单选题】
C701系统的FV70002排往界区___系统。
【单选题】
C702A/B中装填的催化剂的名称___。
A. COS水解催化剂、氧化锌脱硫剂
B. 3A分子筛
C. 1"INTALOX填料
【单选题】
700#初始开车置换用的丙烯___。
A. 界区丙烯通过蒸汽夹套
B. E302的气相丙烯
C. D302中的液相丙烯
【单选题】
C701压力升高，PC70003MV应做___调整。
【单选题】
聚丙烯熔点为___。
A. 100～120℃
B. 120～140℃
C. 164～170℃
D. 180℃
【单选题】
MI的单位是___。
A. g/min
B. g/10min
C. g/h
【单选题】
R201聚合反应器的高度是___。
A. 50m
B. 24m
C. 30m
D. 45m
【单选题】
引丙烯时，管线或设备应最好升压至___。
A. 6kg/cm2
B. 5kg/cm2
C. 7kg/cm2左右
D. 2kg/cm2
【单选题】
对聚丙烯树脂而言，熔融指数升高则___。
A. 相对分子质量增加，流动性提高
B. 相对分子质量减小，流动性提高
C. 相对分子质量减小，流动性下降
D. 相对分子质量增加，流动性不变
【单选题】
无规共聚物与均聚物相比冲击强度和___能有所提高。
A. 透明性
B. 弹性
C. 拉伸强度
D. 热变形
【单选题】
过氧化物的加料位置在___。
A. 助剂加料秤
B. 挤压机料斗顶部
C. 挤压机料斗底部
D. 无所谓
【单选题】
若熔融指数升高，则切粒水温应该___。
【单选题】
通常MFR越高，造粒单元___。
A. 切粒机转速越高
B. 切粒机转速越低
C. 网压越高
【单选题】
气蚀的主要原因是___。
A. 泵的入口压力低于该温度下的液体饱和蒸汽压.
B. 吸入液体压力低
C. 泵出口压力高
D. 泵体没有冲洗
【单选题】
聚丙烯BOPP产品能做___制品。
A. 食品包装薄膜.
B. 农膜
C. 无纺布
D. 合成纸
推荐试题
【单选题】
Q4: Who are supposed to benefit most from this passage?___
A. Workers who have to work during holidays .
B. Employees who intend to earn extra money .
C. Big companies that usually close on holidays .
D. Small businesses that try to be more competitive .
【单选题】
In the first two paragraphs of the passage the writer tries to tell us that___
A. he had lived in Washington D.C. for twenty years
B. he was very imaginative when he was a child
C. he had fond memories of his old neighborhood
D. )he had come from a very poor neighborhood
【单选题】
The writer ,as a child ,was very fond of playing in the basement because ___
A. it was bright and alive
B. it contained a movie house and a space station
C. it was ideal for playing hide-and-seek
D. it was surrounded by trees and flowers
【单选题】
How did the writer feel when he visited his old neighborhood in Washington D.C. ?___
A. Greatly surprised .
B. Very regretful .
C. Quite excited .
D. Very sad .
【单选题】
On his visit to his hometown ,the writer found the old apartment building___
A. see medunfit to live in
B. had been repaired
C. could hardly be recognized
D. looked dirty and smelt horrible
【单选题】
" Youcan never go home again "inthe last sentence of this passage means that___
A. one should never revisit his hometown after many years of absence
B. one will never find his hometown the same as it was in his childhood memory
C. avisit to one's hometown will bring back one's fond memories of home
D. avisit to one's hometown will bring back many sad memorie
【单选题】
We learn from the passage that Tracy died___
A. on December 8,1992
B. of brain damage
C. 24 hours after he fell off the roof of a car
D. in a car crash
【单选题】
Tracy's parents decided to donate Tracy's organs because___
A. Tracy told them to do so just before he died
B. they wanted to save others the pain of seeing a dear one die
C. David's life could continue in a meaningful way
D. they knew David was suffering from a hopeless liver disease
【单选题】
The meeting between the writer's family and Tracy's parents was arranged because___
A. the writer and her husband wished to express their thanks to Tracy's parents
B. the local organ bank wanted to see how both families felt about the donation
C. Tracy's parents wanted to see someone whose life had been saved by the donation
D. the two families were linked by the most bittersweet ties imaginable
【单选题】
The writer and her husband learned how Tracy died___
A. from his parents
B. from the organ bank
C. from the hospital
D. from the doctor who performed the operation
【单选题】
The meeting between the two families helped to ease the Marshes'suffering because___
A. they saw that David looked very much like their son
B. they saw that David had regained health with Tracy's liver
C. they now had someone to share their memories of Tracy
D. they now knew for sure they had done the right thing
【单选题】
The writer's first marriage was unsuccessful because___
A. her husband often woke her up at midnight
B. her husband kept criticizing her
C. she was so unattractive
D. she had a self-esteem problem
【单选题】
When the writer asked for a divorce ,her husband___
A. told her that she would never find one who loved her as he did
B. delayed two years before giving her a reply
C. accused her of having an affair
D. said that she was unattractive and not worth loving
【单选题】
When the writer first met Clint ,she felt that___
A. she should have listened to her friend and met Clint earlier
B. Clint was a nice ,dazzling young man
C. Clint could not be really interested in her
D. she would find true love in Clint
【单选题】
The writer was particularly touched by Clint because___
A. he loved her children and asked for their approval of the marriage
B. he said that he could not imagine a life without her and the children
C. he believed that at 2 and 4 ,the two children were the "menof the house "
D. hekept her company and talked with her until the next morning
【单选题】
The writer's marriage to Clint is important to her mainly because___
A. it gave her and her sons a second chance to live a happy life
B. every day Clint would tell the writer that he loved her
C. it helped her to regain her self respect
D. it made her children happy ,which is all she cared about in life
【单选题】
What was Goodall's childhood dream ?___
A. She dreamed of going to college .
B. She dreamed of studying animals in Africa .
C. She dreamed of becoming a scientist .
D. She dreamed of traveling all around the world .
【单选题】
What did Goodall's mother think of her dream ?___
A. As a girl she should not go to the African jungle .
B. Her dream would remain a dream unless she got the right training .
C. As a girl she should stay away from violent animals .
D. She could make her dream come true if she was determined .
【单选题】
Goodall's most important discovery was that___
A. some animals use tools
B. like humans animals have emotions
C. chimpanzees could attack each other violently
D. termites are chimpanzees'favorite food
【单选题】
Goodall's success is chiefly due to her___
A. exceptional talents
B. scientific training
C. determination and patience
D. enthusiasm and good luck
【单选题】
What is Goodall doing now ?___
A. Studying animal behavior at Cambridge University .
B. Raising funds for the preservation of wildlife .
C. Observing chimpanzees in African jungles .
D. Working hard supervising postgraduate students.
【单选题】
___是我们理解当前所处历史方位的关键词。
A. 新时期
B. 新时代
C. 重要战略机遇期
D. 关键期
【单选题】
中国特色社会主义进入新时代,意味着科学社会主义在21世纪的中国焕发出强大生机活力,在世界上高高举起了___伟大旗帜。
A. 小康社会
B. 社会主义现代化强国
C. 和谐社会
D. 中国特色社会主义
【单选题】
“思想道德修养与法律基础”,是一门融思想性、政治性、科学性、理论性、实践性于一体的___课。
A. 专业基础
B. 通识教育
C. 思想政治理论
D. 专业选修
【单选题】
党的十九大提出到本世纪中叶,要把我国建设成富强、民主、文明、和谐、___的社会主义现代化强国。
【单选题】
思想道德和___都是调节人们思想行为、协调人际关系、维护社会秩序的重要手段。
【单选题】
中国特色社会主义思想道德建设和___紧密联系、相互促进,为中国特色社会主义事业提供坚实的思想基础、精神支撑和法治保障。
A. 中国特色社会主义文化建设
B. 中国特色社会主义经济建设
C. 中国特色社会主义政治建设
D. 中国特色社会主义法治建设
【单选题】
___是中国最早的现代大学。
A. 清华大学
B. 北京大学
C. 复旦大学
D. 浙江大学
【单选题】
《礼记·中庸》认为，道德修养应“莫见乎隐，莫显乎微，故君子慎其独也”。这种“慎独”的道德修养方法要求我们在学习“思想道德修养与法律基础”课时要注重___。
A. 学习科学理论
B. 理论联系实际
C. 知行统一
D. 多思考深理解
【单选题】
“业精于勤，荒于嬉；行成于思，毁于随”，这句话说明了学习必须做到___
【单选题】
大学生活的中心内容应是___
A. 社会活动
B. 培养动手能力
C. 恋爱
D. 学习
【单选题】
创新学习的基础是___
A. 实事求是
B. 解放思想
C. 求真务实
D. 善于思考
【单选题】
“知之为知之，不知为不知，是知也。”这句话告诉我们，在学习上一定要培养___的优良学风。
A. 求实
B. 一丝不苟
C. 勤奋
D. 敢为人先
【单选题】
以下关于思想道德和法律的关系表述错误的是___。
A. 思想道德为法律提供制度保障。
B. 思想道德为法律提供思想指引和价值基础
C. 思想道德和法律都是调节人们思想行为、协调人际关系、维护社会秩序的重要手段。
D. 坚持和发展中国特色社会主义，既要发挥思想道德的引领和教化作用，又要发挥法律的规范和强制作用。
【单选题】
___是人们的思想观念、政治立场、价值取向、道德情操和行为习惯等方面品质和能力的综合体现，反映着一个人的思想境界和道德风貌。
A. 思想政治素质
B. 道德素质
C. 思想道德素质
D. 法治素质
【单选题】
“人的本质不是单个人所固有的抽象物，在其现实性上，它是一切社会关系的总和。”这句话说明___
A. 自然属性是人的本质属性
B. 社会属性是人的本质属性
C. 自然属性和社会属性都是人的本质属性
D. 自然属性和社会属性都不是人的本质属性
【单选题】
马克思运用辩证唯物主义和历史唯物主义的立场、观点和方法，揭开了人的本质之谜，指出人的本质是___。
A. 单个人所固有的抽象物
B. 一切社会关系的总和
C. 人性本善
D. 人性本恶
【单选题】
马克思指出：人的本质不是单个人所固有的抽象物，在其现实性上，它是一切___的总和。
A. 生产关系
B. 经济关系
C. 社会关系
D. 政治关系
【单选题】
对人的认识，核心在于认识___。
A. 人的属性
B. 人的本质
C. 社会关系
D. 自然属性
【单选题】
___是人生观的核心，在人生实践中具有重要的作用。
A. 人生态度
B. 人生目的
C. 人生价值
D. 人生道路
