关于局部义齿支托的作用，错误的是（）
A.稳定
B.支持
C.可防止牙合向脱位
D.可防止食物嵌塞
E.恢复咬合
参考答案：C
She was educated at Beijing University,_____ she went on to have her advanced study abroad. [ ]
A. after which
B. from which
C. from that
D. after that
告警箱与ALM板间的接口（）
A.串口
B.2M口
C.RS232
D.RJ45
