牙周炎与边缘性龈炎的区别点在于牙周炎表现为() A.龈缘有炎症 B.龈 * * 红肿 C. 发布时间:2017-09-05 07:35 │ 来源:www.tikuol.com 题型:单项选择题 A1型题 问题: 牙周炎与边缘性龈炎的区别点在于牙周炎表现为()A.龈缘有炎症B.龈 * * 红肿C.牙不松动D.形成假性牙周袋E.牙槽骨破坏吸收
题型:单项选择题 A1型题 He suddenly remembered that ___at home.A.he forgot his schoolbagB.he left his schoolbagC.his schoolbag had been forgottenD.his schoolbag had been left 查看答案