表示象...一样时,as接从句,like 接短语 Do everything as I do.象我一样做.He is/looks like his mother.他长得像他妈妈。

like侧重AB两者间的比较,并不意味着A和B属于一类或完全相似；as则侧重于同一性,意味着AB两者属于同一类或完全相似。