以下病变中术后较易复发的是()
A.沃辛瘤
B.含牙囊肿
C.成釉细胞瘤
D.牙源性角化囊性瘤
E.牙源性腺样瘤
参考答案:D
It was in the university my sister studies I met the film star. [ ]
A. that; that
B. where; where
C. where; that
D. that; where
差别待遇行为中,最普通、危害最大的是( )。
A.价格欺诈
B.低价倾销
C.拒绝交易
D.价格歧视