叶柄扁平,偶带膜质托叶鞘的药材为
A.石韦B.蓼大青叶C.大青叶D.枇杷叶E.番泻叶
参考答案:B
When I stayed in the countryside I enjoyed _____ leisurely walk in the fields, and felt _____ warmth
of the sun on my face.[ ]
A. /; the
B. a; a
C. /; a
D. a; the
关于转氨酶的描述正确的是()
A.肝细胞膜通透性升高时,ALT不升高
B.正常血清中ALT与AST含量很高
C.ALT的半衰期为17h,AST的半衰期为47h
D.AST测定肝细胞损害的灵敏度高于ALT
E.ALT与AST均为细胞内酶