全口义齿的缓冲区不包括()
A.切牙乳突区
B.下颌舌骨嵴区
C.翼上颌切迹
D.上颌硬区
E.颧突区
参考答案:C
A.石油
B.天然气
C.柴油
D.风能
Mr. Johnson insisted that the problem worthy of attention______(讨论) at the meeting. (discuss)