晚期尿毒症病人肾脏内出现囊肿病变的原因是（）
A.先天性
B.代谢性
C.感染性
D.中毒性
E.缺血及营养不良
参考答案：E
Pointing to the hospital on ______ roof there is a parking garage, Granny told me that was _____ I was born.
A．whose; what
B．which; what
C．which; where
D．whose; where
离心泵备用泵盘车，一般要求盘车（）。
A.900
B.1800
C.2700
D.3600
