国家对新药生产实行()
A.特殊管理制度
B.中药品种保护制度
C.分类管理制度
D.批准文号管理制度
E.药品保管制度
参考答案:D
I am familiar with his work and look forward to of his view on literary and artistic creation.
A.informing
B.be informed
C.being informed
D.have informed
空予器油循环系统运行时,空气漏进系统根源是()危害是()。