出血时间超过多长时间为延长()
A.3分钟
B.5分钟
C.10分钟
D.15分钟
E.20分钟
参考答案:C
门静脉高压症分流术后下床活动时间通常为术后()
A.8小时
B.3天
C.1周
D.10天
E.2周
___________ I toured Zhangjiajie, I was deeply impressed with its beautiful scenery.
A.For the first time
B.At first
C.It was the first time
D.The first time