【单选题】(共用题干) 男性,30岁,水肿、尿少、呕吐2个月,血压180/120mmH9,尿蛋白(+++),红细胞5~8个/HP,白细胞8—10个/HP,颗粒管型5~10个/HP,BUN29mmol/L,Cr8609mol/L,血红细胞l.8 X 1012/L,该病人诊断慢性肾炎、尿毒症合并泌尿系感染 诊断慢性肾炎尿毒症的主要依据是
【单选题】The following two paragraphs were written by students on the topic "Why Students Drop out of College". Read them and choose which one make its point more clearly and effectively.