为了探究物体的浮沉条件,实验室提供了如下器材:天平、烧杯、金属块、细线、水及其他简单辅助器材。步骤如图:(g取10N/kg、ρ蜡<ρ水)
--- Did you at the party, Owen?
--- Yes, I was very happy.
若△ABC∽△DEF,相似比为1:2,且△ABC的面积为2,则△DEF的面积为( )