牙周炎的临床表现为 A.牙周袋形成 B.牙龈退缩 C.牙龈发痒 D.牙槽骨吸收 E. 发布时间:2018-05-02 22:55 │ 来源:www.tikuol.com 题型:多项选择题 问题: 牙周炎的临床表现为A.牙周袋形成B.牙龈退缩C.牙龈发痒D.牙槽骨吸收E.牙松动
题型:多项选择题 On hearing the news, he rushed out, and,_____ the dictionary lying open on the desk, _ into the distance.A.leaving; disappearingB.left; disappearedC.left; disappearingD.leaving; disappeared 查看答案