[练习题]Fill in each of the following blanks with a word or an expression.Language is abecause every language consists of a set of rules which underlie people’s actual speech or writing .

正确答案:system
题目解析

语言是一个系统,因为每一种语言都由一套规则组成,这些规则是人们实际讲话或写作的基础。

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