提纯片
参考答案：
是指处方中药材经过提取，得到单体或有效部位，以此提纯物细粉作为原料，加适宜的辅料制成的片剂。
There's snow. We can't go out to play football .[ ]
A. so many
B. much too
C. too much
D. too many
基本术语
