更多“轨道车连挂后，必须确认两钩成完全连挂状态，即确认两钩均处于闭”相关的问题
七氟丙烷（）
A.潜溶剂
B.润湿剂
C.抛射剂
D.稳定剂
E.乳化剂
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具有免疫佐剂作用的物质是（ ）|结核分枝杆菌没有的物质是（ ）|与结核分枝杆菌抗酸染色性有关的物质是（ ）|用作结核菌素试验的物质是（ ）|与结核分枝杆菌毒力密切相关的物质是（ ）
A.分枝菌酸 B.索状因子 C.外毒素 D.PPD E.蜡质D
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在工程实施过程中，如果发生（）情况，总监理工程师应当下达停工令。
A.某工序质量不合格 B.承包商将工程转包 C.工程质量有下降趋势 D.承包商生产率下降
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根据《合同法》规定,合同的形式有( )。
A. 书面形式 B. 口头形式 C. 推定形式 D. 默示形式
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不属于阿片类镇痛药物引起呼吸抑制的临床表现的是以下哪项（）。
A.呼吸次数减少（<8次/分）和/或潮气量减少、潮式呼吸
B.紫绀、针尖样瞳孔、嗜睡状至昏迷、骨骼肌松弛、皮肤湿冷
C.有时可出现心动过速和高血压
D.严重时可出现呼吸暂停、深昏迷、循环衰竭、心脏停搏、死亡
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按决策对象的内容分类，决策可以分为（）
A.战略决策和战术决策
B.常规决策与非常规决策
C.经验决策与科学决策
D.肯定型决策和风险型决策
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实验废弃物应分类存放，及时送学校废弃物中转站，最后由学校联系有资质的公司进行处理。
A.对 B.错
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感觉城市①都市最好的建筑大都是留在广场上。越老的广场越有味道，特别是那种椭圆形队列，极有耐心地组合成建筑博览系列，其风格的和谐与典雅令岁月粘稠。然而，到了今天，这些苍老的面孔对于周围的疾速变化却呈...请结合全文，说说作者对“城市”总的“感觉”是什么并简要陈述你对作者感觉的看法
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偏瘫、脑脊髓损伤后关节挛缩是（）。
A.神经源性挛缩
B.软组织性挛缩
C.肌肉性挛缩
D.挛缩
E.关节源性挛缩
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依据华电《电力安全工作规程(热力和机械部分)》(2013年版)，油管道尽可能布置在热力管道的下方。()
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On the Train The night train from Glasgow was so crowded that Donald, who was on his way to London to find a temporary job for the university vacation, wished that he had decided to travel by day. He had never been so hard up. He got on the train and walked along the corridor of the second-class compartments. He couldn’’t find a seat anywhere. He could not afford to travel first class, and he did not want to stand in the corridor. Neither did he want to sit on his suitcase. He was so tired that he decided to sit down in a first class compartment at least for a while. He soon found one with a single occupant (乘客) , a gentleman reading documents from a briefcase. With the self-assurance of a first class traveler, he opened the door and went in. No sooner had he sat down than the ticket inspector arrived. What bad luck! Now he would have to pay the excess (额外的) fare. As he turned out his pocket to find enough money he saw the gentleman was watching him with amusement. It was humiliating (令人感到羞辱的). However, he was so tired that he soon fell asleep. Presently, hearing a noise, he half opened his eyes. Not only did he notice that his traveling companion had gone, but he also saw that a rough-looking man was searching through the businessman’’s briefcase. Donald grabbed the briefcase and wrenched (猛夺) it free, kicking at the man’’s leg. The man fled. Then the businessman returned and found Donald holding the briefcase and peering inside it. Donald realized that he was in quite an awkward situation, but the man was smiling. Nor was this the only surprising thing. Not only was the gentleman (who introduced himself as Mr. Smith) smiling, but he thanked Donald warmly. On his way back to the compartment, Mr. Smith had seen the man leaving in a great hurry. He had so quickly assessed the situation that he knew Donald was innocent. Only after a long chat, in which Donald was asked many questions about himself, did Donald discover that Mr. Smith was in fact managing director of a large factory in London. Donald had never imagined that this strange incident would help him to find a job, but just as they were leaving the train, Mr. Smith offered him the post of temporary Night Security Officer for his factory.
A．a night train to LondonB．a night train Jo GlasgowC．a daytime train to LondonD．a daytime train to Glasgow
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2012年12月21号是不是世界末日？据说这是玛雅人的预言。对此，你的看法是（）
A.没有规律的世界不可思议
B.物质能按自己的意志行事
C.只要有量变就会引起质变
D.人的认识能力不受条件限制
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建设一支听党指挥能打胜仗作风优良的人民军队。其中( )是灵魂,( )是核心,作风优良是保证。
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春节期间，许多市民收到了市政府的拜年短信，叮嘱燃放烟花爆竹要遵守相关规定，注意安全：清明节前，市政府又通过媒体提醒扫墓市民注意行车路线，防火和安全。如果要将上述事件写成新闻报道，你认为最适合的标题是（ ）。
A．转变职能，政府执政能力不断加强
B．重视安全，防患于未然
C．以人为本，政府服务更加完善
D．执政为民，政府性质逐渐改变
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