The details of any language system is passed on from one generation to the next through （）, rather than by instinct.

Language can be used to refer to contexts removed from ...

单项选择题Language can be used to refer to contexts removed from the immediate situations of the speaker. This feature is called （）

Language is said to be arbitrary because there is no lo...

单项选择题Language is said to be arbitrary because there is no logical connection between （）and meanings.

According to F. de Saussure, （）refers to the abstract l...

单项选择题According to F. de Saussure, （）refers to the abstract linguistic system shared by all the mem- bers of a speech community.