The third operation

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Fourth operation

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? 6. �� 7. �� ?????? 8. �� ?????? 9. �� ?? 10. ��

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Fifth jobs

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Sixth job

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1. educational technology as a field of study and practice in the United States began in the mid-1970s, in our places? 1995 China Education and Research CAPE appears as a symbol.

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2. The development of instructional media, language has gone through ?? stage of development, print media stage? Electronic media of the three phases.

3. American educational psychologist Gagne into the study results? Verbal information, intelligence information, cognitive skills, cognitive strategies,

Attitude five categories.