由国家食品药品监督管理部门颁布的药品标准是()
A.药典
B.药品注册标准
C.中药饮片炮制规范
D.中药材种植规范
E.部颁标准
参考答案:E
19. To work at home has been made _____ with the development of the Internet.
A.it probable
B.it likely
C.likely
D.possible
为人体血液循环提供动力的器官是( )
A.动脉
B.毛细血管
C.静脉
D.心脏