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将方剂类为补、和、攻、散、寒、热、固、因八阵始见于（）。
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患者发生肺水肿时可用乙醇湿化吸氧，其氧浓度为（）
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图示意沿20°N纬线所作的地形剖面图。读图，完成题。 乙地形区的地形地势特征不包括（） 甲、乙两地形区河流共同的水文特征是（）
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压力由容器内部产生时它的危险性较由容器外部产生的危险性更大。
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目前发现的人类最早的记数系统是刻在哪里（）
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A: I've come about your offer for bristles. B: We have the offer ready for you． Let me see..． Here it is． 100 cases of Tsingtao Bristles, 57mm, at..． pounds sterling per kilogram, CIF European Main Ports, for shipment in June, 2009． The offer is valid for three days. A: Why, your price has soared．It's almost 25 % higher than last year's． It would be impossible for us to push any sales at such a price. B: I'm a little surprised to hear you say that． You know very well that market for bristles has gone up a great deal in recent months． The price we offer compares favourably with quotations you can get elsewhere. A: I'm afraid I can't agree with you there． I must point out that your price is higher than some of the quotations we have received from other sources. B: But you must take the quality into consideration． Everyone in the trade knows that China's bristles are of superior quality to those from other countries. A: I agree that yours are of better quality． But there's competition from synthetic products, too． You can't ignore that prices for synthetic bristles haven't changed much over the years. B: There's practically no substitute for bristles for certain uses． That's why demand for natural bristles keeps rising in spite of cheaper synthetic ones． To be frank with you, if it were not for the long-standing relationship between us, we would hardly be willing to make you a firm offer at this price. A: Well, we'll have a lot of difficulties in persuading our clients to buy at this price． But I'll have to try, I suppose.
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治疗视疲劳的药物有（）
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纳税人多交税款自结算交纳税款之日起( )内发现的，可以向税务机关要求退还。 A．2年 B．3年 C．5年 D．10年
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我国习惯上所称的近洋航线指的是哪里？
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在上市公司重大资产重组报告书中通常应披露的资产评估信息中包括对评估方法的披露，这些评估方法包括（）。