牙髓治疗的方法如下,除外()
A.盖髓术
B.龈下刮治术
C.根管治疗术
D.牙髓塑化法
E.干髓术
参考答案:B
______ for the boy to talk with his mouth full!
A.What bad manners they are
B.How bad manners they are
C.What bad manners it is
D.How bad manners it is
工程建设定额具有指导性的客观基础是定额的( )。
A.科学性
B.系统性
C.统一性
D.稳定性