The function of the sentence “Water boils at 100 degree centigrade.” is ( ).
A. Interrogative
B. Directive
C. Informative
D. Performative
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Which branches of linguistics studies the similarities and differences among languages?( )
A. Diachronic linguistics
B. Synchronic linguistics
C. Prescriptive linguistics
D. Comparative linguistics
( ) refers to the actual realization of the ideal language user’s knowledge of the rules of his language in utterances.
A. Performance
B. Competence
C. Langue
D. Parole
( )deals with language application to other fields, particularly in education.
A. Linguistic geography
B. Sociolinguistics
C. Applied linguistics
D. Comparative linguistics
If a linguist tells people“what should be in language"or "what people should say", he is ____
A. directive
B. descriptive
C. expressive
D. prescriptive