应用高选择性迷走神经切断术治疗十二指肠溃疡病,手术时应注意保留()
A.迷走神经的前干
B.肝支
C.腹腔支
D.分布到胃窦的“鸦爪”支
E.迷走神经的后干
参考答案:D
— Are they cucumbers?
— No, ____. [ ]
A. they are
B. they aren't
C. they not
除球场各个区域之外,球童服务还有哪些注意事项?