安宫牛黄丸中不含有的药物为()
A.黄芩
B.黄连
C.黄柏
D.郁金
E.栀子
参考答案：C
There are mistakes in Mary's project, so her teacher is pleased with her work. [ ]
A. a little
B. little
C. a few
D. few
复合树脂充填时，洞缘斜面做在（）
A.洞缘牙釉质
B.洞壁牙本质
C.洞缘牙骨质
D.洞缘牙本质
E.龈缘牙本质
