与全口义齿前牙颜色的确定没有关系的因素是（）
A.患者的年龄
B.患者的面形
C.患者的肤色
D.患者的性别
E.患者的要求
参考答案：B
—What happened __________ you, Mary? You looked so sad.
—I couldn't find my MP3. It's a present from my mother. [ ]
A. with
B. on
C. for
D. to
下列属于心的生理功能的是()
A．主藏血
B．主血脉
C．主治节
D．主朝百脉
E．主统血
