Ante定律是指_______。
参考答案：基牙牙周膜面积的总和应等于或大于缺失牙牙周膜面积的总和
—What’s that?
—____________
A. It’s a pen. B. Yes, it is. C. No, it isn’t.
His proposal is（）to all of us and you do not need to tell us more about it.
A.apparent
B.appearing
C.approaching
D.apart
