— What is the tiger doing?
— It's _______. ( )
A:running
B:dancing
C:jumping
“开辟荆榛,千秋功业;驱逐荷虏,一代英雄”这副对联所说的民族英雄是( )
如果一个圆柱体与一个长方体的底面积和高都相等,那么它们的体积也一定相等.(判断对错)