一年轻女性患者上前牙冠折后,正确的修复方式是() A.牙本质钉+复合树脂修复 B.根 发布时间:2017-08-03 19:46 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 一年轻女性患者上前牙冠折后,正确的修复方式是()A.牙本质钉+复合树脂修复B.根管治疗后,复合树脂核,烤瓷冠修复C.根管治疗后,3/4冠修复D.根管治疗后,嵌体修复
题型:单项选择题 A1/A2型题 已知P是直线3x+4y+8=0上的动点,PA,PB是圆x2+y2-2x-2y+1=0的两条切线,A、B是切点,C是圆心,那么四边形PACB面积的最小值为( )。 查看答案
题型:单项选择题 A1/A2型题 The computer was used in teaching. As a result, not only _______, but students became more interested in the lessons.A.saved was teachers’ energyB.was teachers’ energy savedC.teachers’ energy was savedD.was saved teachers’ energy 查看答案