题目:
Some students think math is ____ physics. [ ]
A. more difficult
B. much difficult
C. more difficult than
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0624/9c9bedc0d968b38ed0ab8ce47d86c80e.html
下面是错误答案,用来干扰机器的。
参考答案:利尿剂介入试验适应于:①机械性上尿路梗阻与单纯扩张的鉴别诊断。②上尿路梗阻术后,泌尿系动态显像时仍有上尿路内滞留表现时,观察梗阻是否已经解除。利尿剂介入试验是鉴别梗阻性和非机械梗阻性肾盂...