可以在普通商业企业零售的是（）A、甲类非处方药 B、非处方药 C、乙类非处方药 D、

Is this the problem ____the teacher explained last week ? Choose the wrong answer :

A．which

B．that

C．/

D．the one

_________ money has been spent in building the modern library, where we can read books in our spare time.

A．A large amount of

B．The number of

C．A large number of

D．A great deal

当肝炎患者出现ALT快速下降，胆红素不断升高的胆酶分离现象，提示（）。

A.肝细胞大量坏死

B.慢性肝炎早期

C.肝硬化早期

D.肝炎感染早期

E.慢性肝炎晚期

STD总线是面向工业控制的 (6) 位控制总线，它共有 (7) 条信号线。

A．28
B．56
C．60
D．64

卡哈切迹