双侧游离端缺失的可摘局部义齿设计中,为防止义齿下沉,刺激牙龈组织,多采用()
A.双臂卡环
B.环形卡环
C.固定卡环
D.对半卡环
E.RPI卡环
参考答案:E
—Would you like me to carry this box for you?
—_________.I can manage it myself.
A.No, thanks
B.It’s a pleasure
C.That would be nice
D.Yes, please
3个代谢当量的耗氧量数值为()
A.7ml/(kg·min)
B.7.5ml/(kg·min)
C.9.5ml/(kg·min)
D.8.5ml/(kg·min)
E.10.5ml/(kg·min)