病毒性肝炎最敏感的血清酶指标是（）
A.GGT
B.AST
C.ALT
D.LDH
E.AKP
参考答案：C
On New Year's Eve New York City holds an outdoor ____ which attracts a crowd of a million of more people. [ ]
A. incident
B. event
C. ease
D. affair
栀子苷是（）
A.三萜
B.二萜
C.环烯醚萜醇
D.环烯醚萜苷
E.裂环环烯醚萜苷
