牙齿过度磨耗的结果不包括（）
A.牙齿的颊舌径变宽
B.上、下颌牙齿达到最大面积接触
C.面边缘变锐
D.牙体形态改变
E.面下1/3变短
参考答案：B
小题1:Mr. Liu is an ________(经验) teacher. He has ways to make his class lively.
小题2:－Do you know where the Oriental Pearl______(塔) is?
－Yes. It’s in Shanghai.
小题3:Many people in Harbin like_______(滑雪) in winter.
小题4:The fans _______(鼓掌)and screamed when the famous singer appeared on the stage.
小题5:Overwork will do ______(伤害) to your health.
采用长螺旋泵送法施工CFG桩时现场旁站质量控制要点有
面边缘变锐
面边缘变锐