膀胱炎表现为（） A.多尿 B.无尿 C.少尿 D.频尿 E.无变化
题型：单项选择题 A1型题
问题：
膀胱炎表现为（）
A.多尿
B.无尿
C.少尿
D.频尿
E.无变化
题型：单项选择题 A1型题
The figure above shows the present position on a radar screen of a sweeping beam that is rotating at a constant rate in a clockwise direction. In which of the four quadrants will the beam lie 30 seconds from now ？（）
(1)In each 30-second period, the beam sweeps through 3.690°
(2)r=40
A．条件(1)充分，但条件(2)不充分．
B．条件(2)充分，但条件(1)不充分．
C．条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
D．条件(1)充分，条件(2)也充分．
E．条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．