血栓外痔好发于，肛门齿线下（）。
A．截石位3、7、11点
B．截石位3、9点
C．截石位6、12点
D．截石位1、8点
E．截石位4、10点
参考答案：B
--- What do you think of the movie?
--- ________, the movie isn’t interesting enough, though lots of money has been spent on it.
A．To be honest
B．That’s to say
C．Generally speaking
D．I’m not sure
手术后3天出现腹胀、呕吐，首先考虑
A．粘连性肠梗阻B．肠麻痹恢复期C．腹腔出血D．消化道内出血E．腹腔感染
