超过有效期的药品是
A．劣药B．假药C．残次药品D．仿制药品E．特殊管理药品
参考答案：A
使用DBS的用户有哪几类？
She devoted herself ______ to her research and it earned her a good reputation in her field.
A．strongly
B．freely
C．entirely
D．extremely
