擅自添加着色剂、防腐剂、香料、矫味剂及辅料的药品是()
A.假药
B.劣药
C.次品药
D.处方药
E.非药品
参考答案:B
流产(abortion)
A. chronic painB. brain chemicalC. nerve receptorsD. a clear definitionE. damaged nervesF. painkilling therapiesG. an emotional response
Some pain is the result of ______.