试题题干
Many years ago, some British Oral Approach linguists held the view that elements in a
language were 
: lower level systems of word classes led to higher level
systems of phrases and sentences.
参考答案
试题解析
Many years ago, some British Oral Approach linguists held the view that elements in a language were rule-governed: lower level systems of word classes led to higher level systems of phrases and sentences. 许多年前，一些英国口语语言学家认为，一门语言的要素是:较低级别的词类系统导致较高级的短语和句子系统。