下颌缺失,余牙正常,设计铸造支架式义齿。如果剩余牙槽嵴丰满,牙槽骨吸收1/3,固位体 发布时间:2017-07-01 19:43 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下颌缺失,余牙正常,设计铸造支架式义齿。如果剩余牙槽嵴丰满,牙槽骨吸收1/3,固位体应设计为()A.三臂卡环B.隙卡C.RPI卡环组D.延伸卡环E.圈形卡环
题型:单项选择题 用所给动词的适当形式填空。1. She quickly put on her clothes, _____ (wash) her face and went to work.2. I had no time _____ (eat) breakfast, then I_____ (take)a taxi to school.3. No one _____ (come) to the yard because of the bad weather.4. Maria _____ (win) first prize in yesterday's singing competition.5. He usually goes to school by bus, but today he_____ (walk) to school. 查看答案
题型:单项选择题 对待患者知情同意权的做法中,不正确的为()A.对某些特殊急诊抢救视为例外B.婴幼儿可以由监护人决定C.无家属承诺,即使患者本人知情同意也不能给予手术治疗D.做到完全知情E.做到有效同意 查看答案
题型:单项选择题 钢制空心圆轴的外径D=100mm,内径d=50mm。要求轴在2m内的最大扭转角不超过1.5°,材料剪切弹性模量G=82GPa。此时轴内的最大切应力为()。A、41.7 MPaB、45 MPaC、49.5 MPaD、53.6 MPa 查看答案