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高压供电用户申请保安电源，供电企业可选择同一条高压线路供电的低压供电点供给该用户作保安电源。
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The ancient Greeks developed basic memory systems called Mnemonics. The name is(1)from their Goddess of Memory, Mnemosene. In the ancient world, a trained memory was an(2)asset, particularly in public life. There were no(3)devices for taking notes and early Greek orators (演说家) delivered long speeches with great(4)because they learned the speeches using Mnemonic systems. The Greeks discovered that human memory is(5)an associative process—that it works by linking things together. For example, think of an apple. The(6)your brain registers the word "apple", it(7)the shape, colour, taste, smell and(8)of that fruit. All these things are associated in your memory with the word "apple". (9). An example could be when you think about a lecture you have had. This could trigger a memory about what you were talking about through that lecture, which can then trigger another memory. (10). An example given on a website I was looking at follows: Do you remember the shape of Austria, Canada, Belgium or Germany? Probably not. What about Italy, though?(11)You made an association with something already known, the shape of a boot, and Italy's shape could not be forgotten once you had made the association.
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“一旦吸烟，就会患肺癌。”对此认识正确的是（）
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肠外营养最严重的穿刺技术性并发症是（）
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具有利水渗湿、排脓功效的药物是（）。
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会讲英语的人学习德语，学的比其他人快，这是属于（）
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守卫勤务检查制度中规定，警队班干部每天查哨不少于（）。
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进行汽车二级维护前，检查发动机的转速为800r/min时，点火电压应为（）kV。
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两台相同泵的性能曲线（）。
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禁水试验较加压素试验更能使其尿渗透压增高（）