Language is p（）in that it makes possible the construction and interpretation of new signals by its users. In other words, they can produce and understand an infinitely large number of sentences which they have never heard before.

填空题Findings in linguistic studies can often be applied to the settlement of some practical problems. The study of such applications is generally known as a（）linguistics.

填空题P （）refers to the realization of langue in actual use.

填空题Human capacity for language has a g（）basis, but the details of language have to be taught and learned.

填空题The discipline that studies the rules governing the formation of words into permissible sentences in languages is called s（）

填空题Language is a system of a（）vocal symbols used for human communication.