肾静态显像示肾影随体位变动而改变是哪种疾病的特征性影像（）。
A.异位肾
B.马蹄肾
C.多囊肾
D.肾下垂
E.肾缺如
参考答案：D
—Hi, can I help you?
—______.I want to join the club. [ ]
A. No, thanks a lot
B. Great
C. Yes, please
D. Yes, thanks
热风进口风压是多少？
