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中国最早的植入式广告可以追溯至1992年红遍大街小巷的情景喜剧（）。
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原核细胞与真核细胞的不同，表现在（）。
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乙炔发生器加好电石待产气后即可正常使用。（）
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根据《本地通信线路工程设计规范》，工程设计中采用的电缆品种型号不宜过多，以利工程实施和维护管理。
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四级预报网络包括：全厂、各二级厂矿、各车间和各作业班组。
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影响标准化摄取值（SUV）测定的因素包括（）。
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处方格式由以下哪个部门制定（）
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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. ___9___内的正确选项为（）
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某施工企业欲引进施工工艺，预计年工程产量为10000立方米。甲工艺的年固定成本为300万元，单位工程量变动成本为0.8元；乙工艺的年固定成本为600万元，单位工程量变动成本为0.4元，则（）。
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瓦斯爆炸所需要的最小能量为（）毫焦。