单项选择题

In general, the ______ stage begins roughly in the second half of the child’s second year.

A. babbling
B. one word
C. two word
D. multiword
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单项选择题
Which of the following choices is not the key biological basis for human language acquisition ______
A. Cerebral cortex.
B. Neurons.
C. Eyes.
D. Angular gyrus.
单项选择题
The goal of ______ is to explore the nature of language variation and language use among a variety of speech communities and in different social situations.
A. psycholinguistics
B. sociolinguistics
C. historical linguistics
D. general linguistics
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