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股骨干骨折的患者出现面色苍白，口干口渴，呼吸急促，出冷汗、脉细、血压降低，诊断上首先考虑（）。
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（）的爆炸极限混合比为5.0-28.4%。
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51．某账户的期初余额为500元，期末余额为3000元，本期减少发生额为800元，则本期增加发生额为( )元。 A．4300 B．2200 C．1700 D．3300
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关于贷记卡独立审批人任职资格，以下说法正确的是（）。
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下列属于针杆机构的是（）。
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用人单位应当按照国家有关规定，安排职业病病人进行治疗、康复和定期检查。
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下列那些设备是建筑施工中常见的垂直运输设备？（）
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在脱磷反应中，其生成物是（）。
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Dream for Better We all have plans and dreams for a better, more ___1___ life. Yet only a small percentage of people actually achieve their ___2___ .A good question is: why? Recently, I was working with a young man who was ___3___ get on his feet. He had written out his goals, and he had powerful reasons why he wanted to achieve these goals. But after weeks of trying, he was still not much further along. So we took some time to try to understand what was holding him ___4___ .As we examined his average day, it became apparent to me that he was much too ___5__ .He was spending lots of time doing lots of different things. I ___6___ that most of what he was doing was not very important in the greater scheme of things. We did some exercises to ___7___ which activities were important, which ones were urgent and which ones was filling (or killing) time. As it turned out, most of the things he was doing throughout the day were filling time. He wasn't comfortable ___8___ he was very busy, so he created things that needed to be done. He was always working on something—yet at the end of the day, he had rarely accomplished any tasks to move him closer to the life he wanted. This behavior is fairly easy for an outside observer to spot but extremely difficult to self-diagnose. The ___9___ is to slow down and get comfortable with being still, with contemplating what we really want and whether our actions are suitable for our goals. Many of our activities are avoidance activities: we do things to fill up the time and thus avoid having to do more difficult tasks. It wasn't easy, but once the young man finally accepted that he needed to do less overall but more of the important things, his life took a dramatic ___10___ for the better. ___4___内的正确选项为（）
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一般电路是由电源、（）、开关和连接导线4个基本部分组成。