可以由省级药品监督管理部门制定的药品标准是（）
A.中国药典
B.炮制标准
C.药品注册标准
D.行业标准
参考答案：B
The two boys _____ late yesterday. [ ]
A. are all
B. are both
C. were all
D. were both
关节肿胀，僵硬，疼痛不移，肌肤紫暗或瘀斑者为（）。
A.痰
B.瘀
C.实
D.虚
E.痰瘀互结
