题目

若△ABC∽△DEF，且AB∶DE＝2∶3，则AB与DE边上的高h1与h2之比为( )   A．2∶3   B．3∶2  C．4∶9  D．9∶4 答案：.AIt is his first job interview, so there is no room for mistakes in the first        .A．informationB．expressionC．impressionD．description