城市道路中车速为30~40km/h,拥有2~4条双向机动车道,横断面采用单、双、三形式的是( )。
A.Ⅰ级次干路B.Ⅱ级主干路C.Ⅲ级主干路D.Ⅱ级次干路
参考答案:A
—What _____ your mother like?
—She likes films and she often _____ films on computer. [ ]
A. is; looks at
B. is; sees
C. does; sees
D. does; looks at
前列腺增生可使膀胱出现下列变化,除了
A.逼尿肌收缩力增强B.逼尿肌收缩力减弱C.不稳定的逼尿肌收缩D.膀胱输尿管返流E.过多残余尿导致压力性尿失禁