人的大脑语言功能的临界期现在一般认为最迟是（ ）
下列语素中属于自由语素的是（ ）
下列词中全都由复合构词的方式构成的是（ ）
下列各组复合词中,构词方式相同的一组是（ ）
下列词语中,不属于偏义复合词的一项是（ ）
下列词中不含词缀的是（ ）
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2.2人脑语言能力的研究成果
大脑语言功能的临界期是指大脑的单侧化,大脑左半球的分区以及语言的遗传机制,都只提供人具有语言能力的潜在可能性,这些潜能必须在一定期限内被一定的语言环境激活才可能起作用,否则大脑的语言功能就会失效,人也就学不会说话了。现在一般认为人的大脑语言功能的临界期最迟是12~13岁。
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