政策执行过程的起始环节是什么?()
A.政策分解
B.物质准备和组织准备
C.政策实验
D.政策宣传
参考答案:D
影响全口义齿稳定的因素不包括
A.人工牙排列
B.颌位关系
C.唾液分泌量
D.基托表面形态
E.牙尖斜度
— My cat's really fat.
— You _____ have given her so much food. [ ]
A. wouldn't
B. couldn't
C. shouldn't
D. mustn't