题型:选择题 Little Jack got an A in the exam, and he worked harder and harder________.[ ]A. for the moment B. at that momentC. from that moment on D. the moment 查看答案
题型:单项选择题 案例分析题 女性,44岁,下前牙牙齿松动1年。检查:左、右下中切牙松动Ⅰ°,牙石(++),牙龈退缩2mm,边缘红,质软,探诊深度5mm,全口其他牙的牙石(+)~(++),牙龈缘水肿,探诊出血,牙周袋深度4~6mm,牙齿未见松动。最可能的诊断是()A.药物性牙龈增生B.慢性牙周炎C.牙龈纤维瘤病D.慢性龈炎E.侵袭性牙周 查看答案