皮肤病发于上部者,多因______引起;发于中部者多因______所致;发于下部者多因______引起。
参考答案:风温风热 气郁火郁 湿热寒湿
副根管多见于()
A.切牙
B.尖牙
C.前磨牙
D.磨牙
E.额外牙
Mary can play________ soccer and she can also play________ guitar. [ ]
A. the; the
B. a; a
C. /; the
D. the; /