全身消炎药治疗牙周病主要用于（）。
A.牙周炎急性炎症期
B.增生性龈炎
C.青春期龈炎
D.缘龈炎
E.妊娠期龈炎
参考答案：A
-How do you like our city?
-It has changed beyond all _____ in the past 20 years, a completely new one in front of me. [ ]
A. realization
B. description
C. expression
D. recognition
普遍有效的公式
