静脉肾盂造影对下列哪种疾病最有诊断价值()
A．急性间质性肾炎
B．急性肾盂肾炎
C．慢性肾盂肾炎
D．慢性肾小球肾炎
E．急性肾衰竭
参考答案：C
Zhengzhou University has moved to a new site in the western suburbs, ____ its original one. [ ]
A. almost as large as ten times
B. more than ten times the size as
C. larger than ten times
D. more than ten times the size of
在实验室中须密封保存在棕色试剂瓶中的是（ ）
A．浓硝酸
B．浓盐酸
C．氢氧化钠溶液
D．碳酸钠溶液
