制备洞形时.感染的软化牙本质未去净,预防性扩展不够,易导致()
A.意外露髓
B.充填体脱落
C.继发龋
D.乳牙内吸收
E.充填体过高
参考答案:C
属于“十九畏”的配伍药组的是()。
A.川乌与草乌
B.桃仁与红花
C.官桂与赤石脂
D.乌头与贝母
E.甘草与甘遂
—Jim, are you ________this Saturday?
—Oh, sorry. I need to go to the bookshop ________the bank on Saturday. [ ]
A. convenient; and
B. convenient; as well as
C. available; with
D. available; as well as