题目内容
A diachronic study of language is the description of language at some point in time.
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Modern linguistics regards the written language as primary, not the written language.
The distinction between competence and performance was proposed by F. de Saussure.
In the history of any language the writing system always came into being before the spoken form.
Human capacity for language has a genetic basis, i.e. we are all bom with the ability to acquire language and the details of a language system are genetically transmitted.
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