根据材料回答16~19题: A) Babies begin to learn at 5 or 6 months old. B) Babies begin to le

根据材料回答16~19题： A) Babies begin to learn at 5 or 6 months old. B) Babies begin to learn when they"re born. C) Babies don"t like to be taught by strangers. D) Babies always want to learn new things.

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