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题目：
单选题
A防止肾功能进行性恶化
B延缓肾功能进行性恶化
C改善或缓解临床症状
D防治严重并发症
E消除尿蛋白及尿红细胞
答案：
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患者，男性，27岁。因被人用刀刺伤背部，伤口流血不止，半小时后急诊入院。查体：神志尚清楚，表情淡漠，自诉口渴，皮肤苍白，脉搏120次／分，血压12／9.3kPa（90／70mmHg），脉压小，表浅静脉塌陷，尿少。请估计该患者的失血量已达全身血容量的（）。
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由肾上腺皮质网状带细胞分泌的激素主要是（）.
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冷沉淀1个单位的概念，是指由多少毫升的血制备而成（）。
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等级方差分析
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圆柱面刻线的分度计算可按（）步骤进行。
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近因
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关于“郑声”的病因病机描述错误的是（）
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for, too high, meet, meet with, disappointed, at, onDear Sir or Madam, Thank you(1)your mail．We are(2)to hear that our price for your required product is(3)for your acceptance．You mentioned that Japanese goods are being offered to you(4)a price approximately 8% lower than our quotation. We accept your position, but we are of the opinion that the quality of the other makes does not measure up to that of our products．Although we are keen to do business with you, we regret that we cannot accept your counter offer. We do want to try and work with you, and meet your request, but the best we can do is to reduce our previous quotation by 3%．We hope that this will(5)your approval. We look forward to hearing from you. With best regards,
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构成血栓头部的主要成分是（）
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可用于预防甲型肝炎的被动免疫制剂是（）