初中化学知识归纳总结（打印版） 一、基本概念： 1、化学变化：生成了其它物质的变 2、物理变化：没有生成其它物质的变化 3、物理性质：不需要发生化学变化就表现出来的性质 (如:颜色、状态、密...

When Dorothy was left alone she began to feel hungry. So she went to the cupboard and cut herself some bread, which she spread with butter. She gave some to Toto, and taking a pail...