作文课上,有些学生稍加构思便奋笔疾书,可有些学生苦思半天,才勉强开头,写着写着就写不下去了,造成这种差别的原因也许有多种,但主要原因是写作素材的悬殊。造房子要砖瓦,做衣服要布料,写文章则要素材。“巧妇难为无米之炊”。也许你有些米,但是太贫穷,吃了上顿没下 In the composition class, some students did their best to write a book, but some students began to think hard and they couldn't write at the beginning. There were many reasons for this difference, but the main reason was The disparity in writing material. Building a house requires bricks and tiles, clothes to fabric, and writing articles requires materials. “Make bricks without straw”. Maybe you have some rice, but you are too poor to eat it.