成功地进行前列腺切除术后半年,患者仍有排尿迟缓,无力,最可能的问题是
A.逼尿肌反射亢进
B.逼尿肌无力
C.前列腺增生组织未切尽
D.前列腺增生复发
E.外括约肌损伤
参考答案:B
— I saw Dave in the lift this morning.
— Really? He _______ around here for a long time.
A.won’t be seen
B.wasn’t seen
C.hadn’t been seen
D.hasn’t been seen
使用酒精灯时,错误的操作是
A.用火柴点燃酒精灯
B.用燃着的酒精灯去点燃另一盏酒精灯
C.用酒精灯外焰给物质加热
D.熄灭酒精灯火焰时,用灯帽盖灭