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

Pragmatics

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.

D（）is one of the design features of human language which refers to the phenomenon that language consists of two levels: a lower level of meaningless individual sounds and a higher level of meaningful units.

Modern linguistics is different from traditional grammar.

General linguistics, which relates itself to the research of other areas, studies the basic concepts, theories, descriptions, models and methods applicable in any linguistic study.

Social changes can often bring about language changes.

The study of the ways in which morphemes can be combined to form words is called morphology.

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

Semantics