题型:名词解释 Hiking by oneself can be fun and good for health.It may also be good for________building.[ ]A. respect B. friendship C. reputation D. character 查看答案
题型:名词解释 男,42岁,突然呕鲜血600ml,伴有柏油样便200ml,查体:脾大肋下2cm;实验室检查HBsAg(+)。为明确出血原因,宜行下列哪项检查()A.钡剂检查B.胃镜检查C.肝功能D.骨髓穿刺E.ECT检查 查看答案