拔牙使用牙挺时一般是将支点放在()
A.远中牙槽嵴
B.-舌侧骨板
C.颊侧骨板
D.近中牙槽嵴
E.邻牙牙颈部
参考答案:D
DuoDuo is a great lone traveler crossing borders of nation, language and history, as well as a determined predictor of some of the most basic, universal human values that _____ in our troubled modern times.
A.have been overlooked
B.have overlooked
C.has been overlooked
D.is overlooked
工程勘察资质不包括以下()。
A.综合类资质
B.专业类资质
C.施工类资质
D.劳务类资质