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Write down the numbers of the topic sentences in the following passages.①The bright child is patient. ②He can tolerate uncertainty and failure, and will keep trying until he gets an answer. ③When all his experiments fail, he can even admit to himself and others that for the time being he is not going to get an answer. ④This may annoy him, but he can wait. ⑤Very often, he does not want to be told how to do the problem or solve the puzzle he has struggled with, because he does not want to be cheated out of the chance to figure it out for himself in the future. ⑥Not so the dull child. ⑦He cannot stand uncertainty or failure. ⑧To him, an unanswered question is not a challenge or an opportunity, but a threat. ⑨If he can’t find the answer quickly, it must be given to him, and quickly; and he must have answers for everything.
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林缘地被又被称为（）
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电阻的单位符号是（）
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在装有漏电保护器的低压线路上工作时时,可以不用带绝缘手套、绝缘鞋等安全措施。
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货场应建立取送车作业制。
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赵某，女。46岁。1979年6月25日初诊。主诉：眩晕、耳鸣7年，加重3个月。患者自1972年患高血压病以来，常发生头晕头昏耳鸣，近3个月未加重。伴有失眠多梦，时觉心悸，两目干燥，视物不清，腰困无力。后项部板硬不灵活，面有烘热感，心中烦闷。月经正常。平时血压高时服降压片。本次虽服上药血压有所下降，但症状不消。故来就诊。检查：血压：160／96mmHg。舌红少苔，脉细。该病的中医诊断是（）
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非酶褐变主要分为三种类型：（）、（）、（）。
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有权撤销或改变县人民政府所作违法或不当抽象行政行为主体是（ ）
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可燃气体或蒸气与空气（或氧）组成的混合物在点火后，能使火焰蔓延的最高浓度称为（）（燃烧上限）。
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健康中国2030提供健康环境的主要内容（）。