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如图,在△ABC中,D、E分别是边AB、AC的中点,连接DE,将△ADE沿AB方向平移到△DBF的位置,点D在BC上,已知△ADE的面积为1,则四边形CEDF的面积是____.
找出《穷人》中描写环境的句子
There were many small buildings in my school. (判断正误)