固定义齿的固位体是()
A.粘固于基牙上的嵌体
B.粘固于基牙上的全冠
C.粘固于基牙上的部分冠
D.基牙
E.桥体
参考答案:A, B, C
提出"治外本诸于内"的思想是
A.外吹乳痈B.内吹乳痈C.不乳儿乳痈D. * * 破裂乳痈E.席风呵乳
-- I heard a student killed his mother cruelly.
-- So did I. It has ____ a serious problem about the education system in China.
A.taken up
B.made up
C.pulled up
D.brought up