导尿检查适应证包括
A．收集尿标本
B．测定膀胱容量、压力、残余尿
C．解除尿潴留
D．持续引流尿液
E．膀胱内药物灌注
参考答案：A,B,C,D,E
----Why does the lake smell terrible?
----Because large quantities of water_______? [ ]
A. have polluted
B. is being polluted
C. has been polluted
D. have been polluted
报酬递减率和米采利希学说告诫人们的要点是（）。
