治疗有效例数占治疗的总例数的百分比是()
A.生存率
B.发病率
C.有效率
D.保护率
E.效果指数
参考答案:C
-- Your new bike is very fashionable. -- _________.
A.Much better than yours.
B.Yes. of course it’s very good.
C.It’s very kind of you to say so.
D.No, you are totally wrong~
引起根尖周炎的物理因素不包括
A.急性外伤
B.咬合创伤
C.根充超填
D.根管器械出根尖孔
E.药物使用不当