---________ pieces of bread do you want? ---Two, please. And ________ are they?

A．How many, how much

B．How much, how much

C．How many, how many

D．How much, how many

一患者全口义齿初戴时，发现面部形态过于饱满，垂直距离正常，应如何处理（）

A.磨短基托边缘

B.减小基托厚度

C.降低后牙高度

D.减小前牙覆盖覆

E.先减小基托厚度，如不能改善则返工重做