人的大腦語言功能的臨界期現(xiàn)在一般認為最遲是（ ）
下列語素中屬于自由語素的是（ ）
下列詞中全都由復合構詞的方式構成的是（ ）
下列各組復合詞中,構詞方式相同的一組是（ ）
下列詞語中,不屬于偏義復合詞的一項是（ ）
下列詞中不含詞綴的是（ ）
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2.2人腦語言能力的研究成果
大腦語言功能的臨界期是指大腦的單側化,大腦左半球的分區(qū)以及語言的遺傳機制,都只提供人具有語言能力的潛在可能性,這些潛能必須在一定期限內被一定的語言環(huán)境激活才可能起作用,否則大腦的語言功能就會失效,人也就學不會說話了?，F(xiàn)在一般認為人的大腦語言功能的臨界期最遲是12~13歲。
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