【多选题】
当丙烯制冷压缩机停车后，分离系统作紧急停车时，下列处理正确的有___。
A. 碳二加氢反应器紧急停车
B. 脱丙烷塔紧急停车
C. 乙烯精馏塔紧急停车
D. 甲烷化反应器紧急停车
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答案
ABCD
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当裂解气压缩机停车，而丙烯制冷压缩机正常运转时，分离处理正确的有___
A. 碳二加氢反应器紧急停
B. 乙烯精馏塔全回流运转
C. 碳三加氢反应器紧急停车
D. 丙烯精馏塔全回流运转
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当压缩片区乙烯制冷压缩机因故停车，其它系统运转正常时，分离系统处理正确的有___。
A. 维护膨胀机正常运行
B. 脱甲烷塔调整操作
C. 力保冷箱温度
D. 密切关注反应器，适当调整
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乙烯产品外送泵机封大量泄漏，人已无法靠近时，操作人员处理正确的有___
A. 通知电气室内停泵
B. 联系调度通知下游装置停车
C. 选择安全处切断泵体物料
D. 注意防火防爆
【单选题】
“不积跬步，无以至千里;不积小流，无以成江海。”这句话体现的哲学道理是___
A. 矛盾是事物发展的动力
B. 量变是质变的必要准备
C. 现象是事物本质的表现
D. 实践是检验真理的标准
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一切认识都是从直接经验发源的，这说明___
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D. 只要参加实践就能获得正确认识
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无产阶级政党的群众观点和群众路线的理论依据是___
A. 人民群众是一个历史范畴
B. 人民群众是历史的创造者
C. 人口因素是社会存在的必要条件
D. 人口因素是社会发展的必要条件
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我国进入新民主主义社会的标志是___
A. 1978年中共十一届三中全会召开
B. 1952年土地改革完成
C. 1956年社会主义改造基本完成
D. 1949年中华人民共和国成立
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毛泽东指出：用民主的方法解决人民内部矛盾，这是一个总方针。具体到科学文化领域所采取的方针是___
A. 百花齐放、百家争鸣
B. 团结一批评一团结
C. 长期共存、互相监督
D. 统筹兼顾、适当安排
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中国共产党人对待马克思主义唯一正确和科学的态度是___
A. 坚持维护马克思主义的原创性
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C. 马克思主义理论神圣不可侵犯
D. 靠引证马克思关于某一问题的某一论述来解决问题
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中国特色社会主义理论体系形成的现实依据是___
A. 和平与发展成为时代主题
B. 我国改革开放和社会主义现代化建设的伟大实践
C. 其他社会主义国家兴衰成败的经验教训
D. 我国社会主义建设的历史经验
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党在社会主义初级阶段基本路线所制定的奋斗目标，是把我国建设成为___
A. 总体小康的社会主义现代化国家
B. 高度发达的社会主义现代化国家
C. 富强民主文明和谐的社会主义现代化国家
D. 高度民主、高度文明的社会主义现代化国家
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我国社会主义改革是一场新的伟大革命，其性质是___
A. 社会主义经济体制的建立和完善
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