多媒体技术的特点:()、()、()
参考答案:集成性;控制性;交互性
There is an increase of 16% in the consumption of tobacco_____ the previous year.
A.over
B.than
C.to
D.then
活髓切断术不适用于()
A.前牙深龋
B.后牙深龋
C.部分冠髓牙髓炎
D.牙髓坏死
E.前牙外伤性冠折露髓