as...as意为"和……一样",表示同级的比较.使用时要注意第一个as为副词,第二个as为连词.其基本结构为：as+ adj./ adv.+as.例如：(1)This film is as interesting as that one.这部电影和那部电影一样有趣.(2)Your pen writes as smoothly as mine.你的钢笔书写起来和我的一样流畅.
