肝移植的适应证有()。
A.Wilson病肝衰竭
B.先天性胆道闭锁
C.高酪氨酸血症
D.终末期原发性胆汁性肝硬化
E.原发性肝癌
参考答案:A, B, C, D, E
—Hi, Tina ,we’re going to Sam’s house to celebrate his graduation. Would you like to _____?
—Great! Let’s go.[ ]
A. come up
B. come on
C. come out
D. come along
适地适树的主要途径是()
A.选树适地、选地适树
B.改地适树
C.改树适地
D.引进外来树种