对全口义齿的固位和支持有利的情况是
A.黏膜厚、松软
B.黏膜厚、韧
C.黏膜薄
D.唾液黏稠度大
E.唾液黏稠度小
参考答案:B
–Hurry, Mike! The bus is coming.
--Wait a minute,please! Let me see if there’s ______ left.
A.anything else
B.something important
C.nothing else
D.any other things
两平行线间的交叉渡线,线间距小于()时,不宜铺设交叉渡线。
A.4.0m
B.4.1m
C.4.3m
D.3.8m