注射剂制备时不能加入的附加剂为（）。
A、调色剂
B、抗氧剂
C、pH调节剂
D、惰性气体
参考答案：A
— Do you know ______ the MP4 yesterday?
— Sorry, I’ve no idea about it.
A．how much did he pay for
B．how much he paid for
C．he paid for how much
D．he paid how much for
关于单纯性甲状腺肿的病因，下列错误的是（）。
A.甲状腺素原料缺乏
B.甲状腺素需要量增加
C.甲状腺素功能障碍
D.甲状腺素合成障碍
E.甲状腺素分泌障碍
