急性尿潴留见于膀胱出口以下尿路严重梗阻病人。
参考答案：对
2. I don’t think the experiment is ______ failure, because it has provided us with ______ valuable experience for our future tests.
A．不填; 不填
B．不填; a
C．a; a
D．a; 不填
什么是Excel的"记忆式填充功能"？
