[单项选择]10岁男孩,水肿1周。查体全身凹陷性水肿,体重40kg,BP130/95mmHg,尿蛋白(++++),RBC10~15个/HP,血浆白蛋白17.5g/L。患儿经泼尼松60mg/d治疗2周后尿蛋白转阴,但在继续按原剂量使用泼尼松治疗2周时患儿出现发热、咳嗽,尿蛋白(++),下一步的治疗方案是() A. 控制感染 B. 换用甲泼尼龙冲击治疗 C. 换用环磷酰胺 D. 换用苯丁酸氮芥 E. 加大泼尼松的剂量
第27题: [单项选择]Where does the dialogue take place A. The prices of many things have gone up in the last month. B. The woman pays twenty dollars for the ticket. C. The prices of the ticket have changed by two dollars. 参考答案:B