牙体缺损修复时,修复体的固位力主要依靠A.摩擦力和约束力B.摩擦力、约束力和粘结力C 发布时间:2017-12-18 15:17 │ 来源:www.tikuol.com 题型:单项选择题 问题: 牙体缺损修复时,修复体的固位力主要依靠A.摩擦力和约束力B.摩擦力、约束力和粘结力C.粘结力和约束力D.摩擦力和固位力E.固位力和抗折力
题型:单项选择题 It's cruel ________ him to kill ______ many children with a knife. [ ]A. of, such B. for, such C. of, so D. for, so 查看答案