一下颌双尖牙,活髓,全冠修复水门汀粘固后第二天出现自发痛夜间加剧,最可能的原因是A. 发布时间:2017-06-14 09:02 │ 来源:www.tikuol.com 题型:单项选择题 问题: 一下颌双尖牙,活髓,全冠修复水门汀粘固后第二天出现自发痛夜间加剧,最可能的原因是A.牙髓炎B.创伤C.根尖周炎D.牙髓充血E.牙周炎
题型:单项选择题 With the help of high technology, more and more new substances _____ in the past years.A. discovered B. have discovered C. had been discovered D. have been discovered 查看答案