下列变化中,前者属于物理变化,后者属于化学变化的是()
A:滴水成冰、花香四溢
B:云消雾散、铁锅生锈
C:铁杵磨针、木已成舟
D:蜡炬成灰、火药爆炸
Though he started late, Mr.Guo played the piano as well as, if________, Miss Liu.
实现民族团结和国家统一的文化基础是( )
( )