与肝纤维化无关的因子是（）
A.枯否细胞
B.储脂细胞
C.胶原
D.粘多糖
E.NK细胞
参考答案：E
It was because I was caught in the traffic jam ________ I came to school late this morning.
A．which
B．when
C．what
D．that
硫酸阿托品分子中有何种功能基而易发生水解反应
A．苯环
B．羟基
C．酰胺键
D．苷键
E．酯键
