局部用药治疗龋病的适应证()
A．小而浅的乳牙龋
B．大而浅的乳牙龋
C．大而深的乳牙龋
D．乳前牙邻面龋
E．乳磨牙邻面龋
参考答案：B
It’s well known that good relationship between two countries __________ the development of mutual culture and economy.
A．results from
B．arises from
C．contributes to
D．leads to
玻璃器皿、搪瓷器皿经（）
A．干热空气灭菌
B．滤过灭菌
C．热压灭菌
D．气体灭菌
E．流通蒸汽灭菌
