糖衣片的崩解时限是()。
A.5分钟
B.15分钟
C.20分钟
D.30分钟
E.60分钟
参考答案:E
解析:
药典中对不同类型片剂崩解时间的要求。
5. —How did you find your sister in such a big and strange city?
—I ____ her in the railway station when I was looking for the police for help .
A.came about
B.came out
C.came up
D.came across
公文的结尾方式有什么?