单项选择题

The study of language acquisition is generally known as ().

A. theoretical linguistics
B. psycholinguistics
C. applied linguistics
D. historical linguistics

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单项选择题

() is a system of arbitrary vocal symbols used for human communication.

A. Langue
B. Language
C. Linguistics
D. Speech

单项选择题

Which of the following is correct concerning langue and parole().

A. Langue refers to the realization of parole in actual use.
B. Parole refers to the abstract linguistic system shared by all the members of a speech community.
C. Langue is abstract and parole is concrete.
D. Langue is relatively stable while parole varies from person to person and from situation to situation.