报检单位分为( )。
A.自理报检单位
B.中介报检单位
C.特许报检单位
D.代理报检单位
参考答案:A,D
患者男,35岁,缺失,做基牙,行可摘局部义齿修复。
修复后义齿的支点线呈()。
A.纵线式
B.横线式
C.三角形
D.四边形
E.对角线式
Professor James will give us a lecture on the Western culture, but when and where _____ yet. [ ]
A. hasn't been decided
B. haven't decided
C. isn't being decided
D. aren't decided