Ⅰ．小茗同学利用硫酸铜溶液进行趣味实验，他将浸泡了硫酸铜溶液的滤纸在酒精灯火焰上点燃，观察到滤纸颜色变白，由湿变干后燃烧，在燃烧后的灰烬中出现了红色固体，他很好奇，进行了相关探究，请填写有关空白．
实验目的探究红色固体组成
①明月松间照，清泉石上流
②接天莲叶无穷碧，映日荷花别样红
③大漠孤烟直，长河落日圆
④山河破碎风飘絮，身世浮沉雨打萍
We had a school English speech last week and the winner was a _______ girl from Class 2, Grade 9.
