全口义齿基托组织面应适当缓冲的区域不包括()。
A.上颌硬区
B.下颌隆突
C.下颌舌骨嵴
D.切牙 * *
E.腭皱
参考答案:E
把方程x2-8x+3=0化成(x+m)2=n的形式,则m、n的值分别是
A.4,13
B.-4,19
C.-4,13
D.4,19
---Mr. Wang, I have trouble the text.
--- Remember it three times at least.
A.to understand; reading
B.understanding; reading
C.understanding;to read
D.to understanding; to read