肝十二指肠韧带内没有的结构是（）。
A.肝神经丛
B.肝固有动脉
C.肝门静脉
D.胆总管
E.下腔静脉
参考答案：E
----Mr. Johnson, would you have some more ice-cream?
----No, thanks. It’s very good, but I have to _____ my weight, you know.
A．remain
B．notice
C．watch
D．care
张女士，30岁，高热，腹泻，诊断为细菌性痢疾，应对其实施
A．昆虫隔离
B．消化道隔离
C．接触隔离
D．严密隔离
E．保护性隔离
