全口义齿的前牙要排列成浅覆骀、浅覆盖,其目的是为了() A.美观 B.排牙方便 C. 发布时间:2017-12-27 10:12 │ 来源:www.tikuol.com 题型:单项选择题 问题: 全口义齿的前牙要排列成浅覆骀、浅覆盖,其目的是为了()A.美观B.排牙方便C.易于取得前伸平衡D.发音清晰E.与天然牙一致
题型:单项选择题 We are using so many raw materials every day, which _______ that they _______.A.are running out ; will be used upB.are being run out; will run outC.have run out of ; will be using upD.have run out; will run out of 查看答案