《药品生产(经营)许可证》、《医疗机构制剂许可证》有效期()
A.药品
B.药品的特殊性
C.药品标准制定原则
D.药品质量
E.药品标准
参考答案:E
It is reported that two schools, __________ are being built in my hometown, will open next year.
A.they both
B.which both
C.both of them
D.both of which
下面属于买方市场特征的有()
A.供小于求
B.买方竞争激烈
C.对买方有利
D.买方人多