They often praise the policeman _____ hi 发布时间:2017-06-17 04:13 │ 来源:www.tikuol.com 题型:选择题 问题: They often praise the policeman _____ his courage.[ ]A. in B. on C. for D. at
题型:选择题 义齿稳定的设计原则中,哪些是正确的()A.按三角形放置固位体B.按四边形放置固位体C.按直线形放置固位体D.尽量使义齿固位体连线中心与整个义齿的中心一致或接近E.在支点线二等分处垂直延长浅通过的牙上放间接固位体 查看答案