同位语从句1.概念: 在复合句中作名词的同位语的名词性从句。2.功能:同位语从句对名词进一步解释， 说明名词的具体内容， 3.用法: 常跟的抽象名词有: fact/ idea/reason thought/order/ doubt/news/hope truth/belief …

4.连词 that/whether/who/ which what/when/where/why/how