第三段主要以什么方式展开. the third paragraph is developed mainly by time/space...（ 根据选项和内容来确定）. 展开方式有8种： by time by space by process by examples by cause and effect by comparison and contrast by classification by definition 再问： 可以吧那八种展开方式解释一下么？谢谢 再答： 按照时间展开 按照空间展开 按照步骤展开 按照例证展开 按照因果展开 按照比较和对照展开 按照分类展开 按照定义展开
