对于双侧磨牙游离缺失的患者,进行可摘局部义齿修复时,其末端基牙通常设计为
A.单臂卡环B.双臂卡环C.三臂卡环D.RPI卡环E.圈形卡环
参考答案:D
Hearing something ________ downstairs, I opened the door and found my brother playing football.[ ]
A. kicking
B. to kick
C. being kicked
D. to be kicked
露剂实际上是( )
A.芳香水剂B.酊剂C.糖浆D.气雾剂E.汤剂