源语言: 英语
Is language, like food, a basic human need without which a child can be starved and damaged at a critical period of life?
In the thirteenth century, Frederic II made a frightening experiment to find an answer to this question
he was hoping to discover what language a child would speak if he heard no language at all so he told the mothers in the experiment to keep silent
the results of the experiment show that hearing no language at all can be very harmful for a child
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