患者因左上侧切牙冠折,要求做烤瓷修复。
在金属底层冠的表面处理中,宜采用()
A.磷酸处理
B.硫酸处理
C.盐酸处理
D.氢氟酸处理
E.硝酸处理
参考答案:D
Which of the following is the most accurate definition of the velocity of money The velocity of money is the:()
A. GDP of a country divided by its price level.
B. money supply of a country divided by its price level.
C. GDP of a country divided by its money supply.
房屋的建筑面积就是房屋的产权面积。 ( )