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[问答题] 什么是烟草专卖品?

纵隔肿瘤中,见不到钙化的是() ["畸胎类肿瘤","胸腺瘤","胸骨后甲状腺肿","神经源性肿瘤","支气管囊肿"] 呕吐的病机是() ["胃气上逆,失于和降","邪气干扰,胃虚失和","脾胃虚寒,胃气上逆","胃失和降,上逆动膈","脾胃虚寒,胃中无火"] 建筑安装工程招标投标中,不得作为竞争性费用的有()。 ["A.人工费 ","B.材料费 ","C.规费 ","D.总承包服务费 ","E.税金"] 冷球蛋白的测量方法是() ["单项环状免疫扩散法","放射免疫分析法","免疫斑点法","免疫固定电泳","血细胞比容管法"] 患者男,68岁,因“食欲减退,饭后饱胀,体重减轻”来诊。胃镜:胃窦下弯处隆起,黏膜皱襞变平坦。行胃大部切除术,大体检查:肿瘤位于胃壁,4.5cm×4.8cm,切面呈灰红鱼肉状,界限清楚,无明确包膜;组织学检查:肿瘤由上皮样细胞组成,呈团巢状排列,细胞异型性轻,胞质中等量,嗜伊红色。核分裂象偶见。间质血管丰富。对诊断胃肠道间质肿瘤有一定价值的免疫组织化学表型是() ["SMA表达阴性","DES表达弱阳性","S100P表达阳性","CD34表达阴性","CD117表达呈核旁点状阳性"] 什么是烟草专卖品?
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