戴全口义齿说话时固位好,吃饭时脱位,怎样处理()
A.加强基托后缘封闭
B.磨改基托边缘
C.调牙合选磨
D.基托衬垫
E.加高垂直距离
参考答案:C
Their telephone number is 5675707. Have you ?
A.written it down
B.written down it
C.written them down
D.written down them
两个梯形的形状相同,它们的面积一定相等。[ ]