试题题干
Surface structures are derived from their deep structures by 
rules.
参考答案
试题解析
表层结构是由它们的深层结构通过变换规则得到的。故此处需要填Transformational，转换规则也可写为T-rules。
Surface structures are derived from their deep structures by rules.
表层结构是由它们的深层结构通过变换规则得到的。故此处需要填Transformational，转换规则也可写为T-rules。