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Education began in the earliest prehistory, as adults trained the young in the knowledge and skills deemed necessary in their society. In pre-literate societies this was achieved orally and through imitation. Story-telling passed knowledge,

w88Win优德怎么回事

Education began in the earliest prehistory, as adults trained the young in the knowledge and skills deemed necessary in their.

w88Win优德怎么回事

Education began in the earliest prehistory, as adults trained the young in the knowledge and skills deemed necessary in their.

w88Win优德怎么回事

Education began in the earliest prehistory, as adults trained the young in the knowledge and skills deemed necessary in their.

w88Win优德怎么回事

Education began in the earliest prehistory, as adults trained the young in the knowledge and skills deemed necessary in their.

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w88Win优德app下载

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