以下哪项不是造成食管胃弓上吻合术后胸胃排空的功能性障碍的原因?()
A.吻合口狭窄
B.幽门成角
C.迷走神经干被切断
D.长期卧床活动减少
E.低钾血症
参考答案:A
---Would you like to go bike riding with us tomorrow? --- _________.
A.Sorry, I’d love to.
B.Sure, I’d love to.
C.Sure, I have to help my parents.
D.Yes, I can. I have a piano lesson.
最小配筋率