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第1721题:使用单位应当于压力容器定期检验有效期满前___,向特种设备检验机构提出定期检验的要求,特种设备应按要求,及时进行定期检验。
A. 1个月
B. 6个月
C. 一年
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第1722题:燃烧的充分条件是___。
A. 一定浓度的可燃物,一定比例的助燃剂,一定能量的点火源,以及可燃物、助燃物、点火源三者要相互作用
B. 一定浓度的可燃物,一定比例的助燃剂,一定能量的点火源
C. 一定浓度的可燃物,一定比例的助燃剂,点火源,以及可燃物、、助燃物、三者要相互作用
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第1723题二关于裂解气中一氧化碳的危害下列说法正确的是___。
A. 会使冷箱冻堵
B. 影响冷箱操作
C. 会造成甲烷化反应器超温
【判断题】
机械密封是一种传统的压盖密封,它能用于大型填料函和重载的场合
A. 对
B. 错
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为了消除噪声的污染.除釆取从传播途径上控制外.还可以用耳塞作为个人的防护用品通常耳塞的隔声值可达4070分贝
A. 对
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被限期治理的企业事业单位应尽量完成治理任务
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B. 错
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特种劳动防护用品安全标志管理工作由国家安全生产监督管理总局指定的特种劳动防护用品安全标志管理机构实施受指定的特种劳动防护用品安全标志管理机构对其核发的安全标志负责
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A. 对
B. 错
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消防安全重点单位应当按照灭火和应急疏散预案、至少每年进行一次演练.并结合实际、不断完善预案
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丙烯塔顶冷源器倒空不当有可能会造成设备冷淬
A. 对
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燃点又叫着火点是可燃物质开始持续燃烧所需要的最低温度
A. 对
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凡在距基准面2m以上有可能坠落的高处作业均称为高空作业
A. 对
B. 错
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危险废物出厂后由处置单位负责无需再进行跟踪
A. 对
B. 错
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静电具有电压低、电荷消散慢、静电感应、导体尖端放电、静电屏蔽等特性
A. 对
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单位要根据需要没有必要引进、采用先进适用的应急救援技术装备
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工业废水包括生产废水和生产污水
A. 对
B. 错
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为了避免裂解炉高压蒸汽减温器结垢所用的锅炉给水必须含磷
A. 对
B. 错
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在发生氮气窒息时抢救人员一定要戴上隔离式空气呼吸器
A. 对
B. 错
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全厂性的高架火炬宜位于生产区全年最小频率风向的上风侧
A. 对
B. 错
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一氧化碳的伤害途径为消化道食入
A. 对
B. 错
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防化服是防止化学物经皮肤进入机体
A. 对
B. 错
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根据伤亡事故的致因理论得知.造成事故的主要原因是人的不安全行为和物的不安全状态.它们的背景原因是管理上有缺陷
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居民委员会、村民委员会、企业事业单位应当根据所在地人民政府的要求,结合各自的实际情况.开展有关突发事件应急知识的宣传普及活动和必要的应急演练
A. 对
B. 错
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电阻率在1085013。m的物质靜电荷不易泄露消散容易积聚而帯静电
A. 对
B. 错
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生产装置产生的固废物就是危险废物
A. 对
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防氨和硫化氢的滤毒罐颜色为白色
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B. 错
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离心泵试车前要检查填料密封是否有压得过紧过松现象
A. 对
B. 错
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对于液化气管道操作人员应当熟悉其压力与沸点的关系要注意环境及介质温度的变化以免造成压力随温度变化的错误判断或因温度升高而导致管道的损坏
A. 对
B. 错
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专项应急预案应当包括危险,性分析、预防措施、应急处置程序和应急保障等内容
A. 对
B. 错
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应急预案批准页必须经发布单位主要负责人批准方可发布'
A. 对
B. 错
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酒诚可用铁制品做容器因此也可用镀锌铁桶
A. 对
B. 错
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安全帽戴法不正确就起不到充分的防护作用
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B. 错
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生产设备经排空后就可以进行检修
A. 对
B. 错
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A. 对
B. 错
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违反《中华人民共和国突发事件应对法》规定.构成犯罪的.依法追究民事责任
A. 对
B. 错
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石油化工企业中无飞火的明火设备应布置在有散发可燃气体的设备、建筑物的主导风向下风头
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B. 错
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工业毒物由呼吸道、消化道、皮肤等器官进入人体其进入人体的主要途径是呼吸道
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减粘塔减粘效果下降的主要原因为塔盘堵塞.汽提裂解气温度低
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石棉总尘,纤维属于高毒物品目录
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安全色中红色适用于紧急停止和禁止等信号
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避雷针是防止雷击的保护装置
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9 — The documentary A Bite Of China II is quite popular around China recently. How do you like it? ______. A. I think so B. Pretty good C. Its my pleasure D. All right
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13. He never does his work _______ Mary.    A. as careful as B. so careful as C. carefully as D. as carefully
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14. — Can he jump high? — Yes, he ______. He is a good high jumper. A. must B. need C. can D. shall
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15. The shop _____ at 8:00 a.m.and it ________ for ten hours every day. A. is open; has opened B. is opened; opens C. opens; is open D. opened; opens
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16. —Excuse me, may I use your bicycle? ______ is broken. Certainly. But remember to return it before lunch. A. Mine B. Me C. Myself D. I
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17. Simon, what do I need to take for the hiking? Youd better ________ more water than usual. Its hot today. A. to take B. taking C. take D. took
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18. Helen ______ to a language school when she was seven. A. sent B. is sent C. will send D. was sent
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19. — Is this park youve visited recently? — Yes, it's the most beautiful one Ive ever visited before. A. that B. the one C. which D. the one which
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20. — Its difficult for the village children to cross the river for school. — I think a bridge ________ over the river. A. should be built B. is being built C. has been built D. was built
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21. — Could you tell me when Mr. Li ________ in Huaibei?    — Sure..When he ________, I’ll call you.    A. arrives; will arrive B. will arrive; will arrive C. arrives; arrives D. will arrive; arrives
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22.There is ________ 800-metre-long road behind ________ hospital. A. an; an B. an; the C. a; a D. a; the
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23. — Did you see a girl in yellow pass by just now? — No, sir. I ________ a magazine. A. read B. am reading C. was reading D. would read
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24.In fact, my parents are not only kind to me, but also strict ________ me. A. at B. to C. for D. with
A. A
B. B
C. C
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【单选题】
25. The boy_____ a yellow sweater can_____ himself now. A. wearing; dress B. putting on; wear C. put on; dress D. dressing;
A. A
B. B
C. C
D. D
【单选题】
( ) 26. Where does the writer of "The little Prince" come from? A.England. B.France. C.America. D.China.
A. A
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【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.
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B. B
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【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
A. A
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【单选题】
( ) 29. When a baseball player hits the ball, he must ______ to get a point. A. run to each base freely B. touch the home plate first C. touch all the bases with his hands D. run to each base in order and touch it with his foot
A. A
B. B
C. C
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【单选题】
( ) 30. When was the importance of touching all the bases shown? A. Before the baseball rules made. B. At the end of the 1974 baseball seasons. C. At the start of the 1974 baseball seasons. D. In the second week of 1974.
A. A
B. B
C. C
D. D
【单选题】
( ) 31. Who hit home run number 715? A. Babe Ruth. B. Hank Aaron. C. Babe Ruth’s partner. D. Hank Aaron’s friend.
A. A
B. B
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【单选题】
( ) 32. What does the expression “to touch all bases” mean? A. To try your best to set a new record. B. To get a chance to be the greatest hitter. C. To do what is needed to finish an activity. D. To solve the problems successfully.
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B. B
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【单选题】
( ) 33. The Chinese Yellow Sea Wetlands are in the _______ of China.    A.south           B.east    C.west            D.north
A. A
B. B
C. C
D. D
【单选题】
( ) 34. Usually the weather in the wetlands is _______.    A.hot             B.pleasant   C.cold            D.dry
A. A
B. B
C. C
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( ) 35. The World Wetlands Day is on _______.    A.February 2        B.June 25   C.April 22      D.March 22
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B. B
C. C
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( ) 36. We must protect wetlands because _______. A.they are home for wildlife   B.they can prevent flood    C.they can offer food to the animals and birds D.all of the above
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( ) 37.The greatest river for navigation is ___________. A. the Nile B. the Amazon C. the Mekong D. the Mississippi
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( ) 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
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( ) 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
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( ) 40. The best title of the passage is ___________. A. Rivers in Cities B. The importance of Rivers C. Transportation D. Natural Resources
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【单选题】
1.—Hello! This is Henry Speaking.I’d like to speak to your father. —Sorry, he has Shanghai. A. been in B. been to C. come to D. gone to
A. A
B. B
C. C
D. D
【单选题】
2. — It’s difficult for the village children to cross the river for school. — I think a bridge ______ over the river. A. was built B. is being built C. has been built D. should be built
A. A
B. B
C. C
D. D
【单选题】
3. —Where would you like to go, Jinan or Qufu? — .I only want to go to Qingdao. A. Each B. Either C. Neither D. All
A. A
B. B
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D. D
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