固定桥的基牙牙槽骨吸收不能超过根长的 A.1/4 B.1/3 C.2/3 发布时间:2017-05-06 12:49 │ 来源:www.tikuol.com 题型:单项选择题 问题: 固定桥的基牙牙槽骨吸收不能超过根长的A.1/4 B.1/3 C.2/3 D.1/5 E.1/2
题型:单项选择题 It is out of question that you ____ Chief Engineer of the railway when Mr. Bell leaves. [ ]A. are appointed B. have been appointed C. will be appointed D. will appoint 查看答案