[单项选择]临床上为鉴别渗出液或漏出液,下列哪项意义最小() A. 胸腔积液的颜色和比重 B. 胸腔积液静置后是否凝固 C. 胸腔积液中血管紧张素转换酶浓度 D. 胸腔积液蛋白测定 E. 胸腔积液细胞总数
参考答案:C
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第1题: [单项选择]How old is Tommy A. Yes. B. No. C. Not mentioned. 参考答案:B 答案解析:[听力原文] F: Ben, why not go swimming with us M: Because I have to do my homework.