题型:名词解释 — Did you enjoy yourself last weekend, Tom?— Yes, as you know, ______ birthday party went on in ______ most pleasant atmosphere. [ ]A. the; the B. a; theC. the; a D. a; a 查看答案
题型:名词解释 男,9岁,多数乳磨牙缺失A.丝圈式缺隙保持器B.固定舌弓式缺隙保持器C.扩弓式缺隙保持器D.活动义齿式缺隙保持器E.固定矫治器 临床上常用的缺隙保持方法有以上几种,对于下面的病例应该选用哪种方式处理缺隙 查看答案