试题题干
填空题：拼写错误、大小写错误、单复数错误均不得分。
Surface structures are derived from their deep structures by 
rules.
参考答案
试题解析
表层结构是指语言表达的心理表征，是由深层结构通过转换规则派生出来。
填空题：拼写错误、大小写错误、单复数错误均不得分。
Surface structures are derived from their deep structures by rules.
表层结构是指语言表达的心理表征，是由深层结构通过转换规则派生出来。