鼻中隔软骨、筛骨正中板和梨骨构成()。
A.鼻后孔
B.外鼻骨部
C.鼻腔内侧壁
D.鼻腔顶壁
E.鼻腔底壁
参考答案:C
This small seaside village is such a perfect place for holidays that visitors never leave it____________.
A.feeling disappointing
B.felt disappointing
C.feeling disappointed
D.felt disappointed
圆而钝的畸形中央尖可
A.不处理 B.少量多次磨除 C.干髓术 D.根管治疗术 E.根尖诱导成形术