“Communicative competence” refers to the ability of applying the grammatical rules of a language to form grammatically correct sentences and the ability of knowing when and where to use these sentences and to whom.
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Sociolinguistics is the study of language in relation to society, whereas the sociology of language is the study of society in relation to language.
A. 对
B. 错
Variability is one of the most definitive social properties of language, namely, the various realizations on the different levels of language.
A. 对
B. 错
A weak version of the Sapir-Whorf hypothesis states that the presence of linguistic categories influences the ease with which various cognitive operations are performed.
A. 对
B. 错
Code-switching happens when one moves back and forth between languages or dialects.
A. 对
B. 错