题型:选择题 We shouldn’t spend our money testing so many people, most of ____ are healthy.A.thatB.whichC.whatD.whom 查看答案
题型:选择题 Dashan was born in Canada, but China has become his second_____.A. family B. hometown C. house 查看答案
题型:单项选择题 患者女性,63岁,既往溃疡性结肠炎病史 11年,病情反复,迁延不愈。近半年来腹泻症状好转,排黏液便,无脓血,近期消瘦明显。查体:腹软,左下腹可以触及一 2cm×3cm的包块,边界不清,质硬,有触痛。为明确诊断首选的检查是A.结肠镜+活检B.钡剂灌肠C.反复便常规+隐血D.便细菌培养E.肿瘤标志物 查看答案