--- I’d like to try something different as I’ve got tired of watching cartoons all the evenings.--- __________ A. Go ahead. B. It depends. C. What for? D. Like what? 答案:D如图,△ABC是一块锐角三角形材料,边BC=6cm,高AD=4cm,要把它加工成一个矩形零件,使矩形的一边在BC上,其余两个顶点分别在AB、AC上,要使矩形EGFH的面积最大,EG的长应为 cm.