19世纪60—90年代/李鸿章/曾国藩(猜一运动名称)
______________________________________________
洋务运动。
The line of people outside the house ____ endless on that morning of the day. [ ]
A. is
B. are
C. was
D. were
早期牙周病,牙周袋深度在4~5mm,CPL记分为
A.0B.1C.2 D 3E.4