办公室的印章管理包括印章的()
A.掣制
B.颁发
C.保管
D.使用
E.销缴
参考答案:A, B, C, D, E
I came here for nothing else but to see you _____, but an accident (事故) happened _____. [ ]
A. in fact; on purpose
B. according to; on purpose
C. on purpose; by chance
D. on purpose; in chance
下颌骨外侧的结构是()
A.下颌小舌
B.下颌舌骨线
C.颏棘
D.颏结节
E.下颌下腺窝