《中药饮片质量标准通则(试行)》中规定，发酵制品、发芽制品等含药屑、杂质不得超过
A．0.5%B．1%C．1.5%D．2%E．3%
参考答案：B
以下哪个药物不是金属解毒剂
A．二巯基丙醇
B．硫代硫酸钠
C．依地酸钙钠
D．碘解磷定
E．青霉胺
—When did you lose your dog?
—_____.
A. Three days later
B. Three days ago
C. In three days
D. For three days
