题型:问答题 简答题 男,45岁,有慢性肝炎病史,近日呕血3次,约在1500ml以上,查体:脉快,巩膜黄染,腹腔积液征(+),下列哪项治疗是不正确的()A.输血B.贲门周围血管离断术C.补液D.止血药物E.护肝药物 查看答案
题型:问答题 简答题 Which of the following is most likely to be considered a characteristic of an oligopolistic industry()A. Few barriers to entry.B. Few economies of scale.C. A great deal of interdependence among firms. 查看答案