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关于起落架位置指示信号的说法正确的是（）。
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钢中产生白点缺陷的内在原因是钢中含（）
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蛛网膜下隙出血患者不应出现()
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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. ___10___内的正确选项为（）
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下列哪些病症易与肾阳虚相关（）
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在物业管理的特征中，（）是物业管理最主要的特点。
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变电站（所）常用直流电源有（）。
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以下哪种物质不会灼伤皮肤（）
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学校.幼儿园的教职员工，应当怎样对待未成年人？（）
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已知异构化反应的进料流量100000kg/h，循环氢流量为120000NM3/h、循环氢纯度为85VOL%，补充氢流量为3000NM3/h、纯度为90VO%，反应进料的平均分子量是106，则该反应的氢油比为（）。