单纯异位肾
参考答案：
为肾脏在发育过程中未上升、上升不足或过度上升所致，但异位肾仍在同侧腹膜后。
—I’ll return the book to Mary, but I can’t find her anywhere.
—She the teachers’ office. You can find her there.
A．have gone to B．has gone to C．has been to
正常成人的屎相对密度为
A．1.015～1.025
B．1.010～1.020
C．1.015～1.020
D．1.010～1.025
E．1.020～1.028
