单选题 Language is said to be arbitrary because there is no logical connection between _________ and meanings.

单选题 We can understand and produce an infinitely large number of sentences including sentences we have never heard before because language is .

单选题 If a linguistic study describes and analyzes the language people actually use, it is said to be ____________.

单选题 By function people establish and maintain their status in society.

单选题 Language can be used to refer to contexts removed from the immediate situations of the speaker. This feature is called _________,

单选题 A historical study of language is a ____ study of language.

单选题 refers to the actual realization of the ideal language user's knowledge of the rules of his language in utterance.

单选题 According to F de Saussure, ____ refers to the abstract linguistic system shared by all the members of a speech community.