片剂制备过程中常与糊精配合使用的填充剂是（）
A.可压性淀粉
B.淀粉
C.糖粉
D.磷酸氢钙
E.甘露醇
参考答案：B
Russ and Earl were auto mechanics ______ the same pay, but Earl had more ambition. [ ]
A. earned
B. to have earned
C. to earn
D. earning
喉癌组织学分类最多见的是（）
A.腺癌
B.鳞状细胞癌
C.低分化癌
D.恶性淋巴瘤
E.纤维肉瘤
