【单选题】【消耗次数：1】
20世纪90年代之前，传输EDI的网络是（ ）
①
LAN
②
VAN
③
Internet
④
Extranet
参考答案：
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相关题目
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幼儿社会教育制度化、规范化
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转移向更为人本化与科学化的方向发展
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强调思想品格与公德意识的培养
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强调环境认识与爱国主义思想的培养
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20世纪90年代以来，世界课程改革的一个重要动向是
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重视技术课程并谋求技术课程与科学课程的融合
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仍强调科学课程
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技术课程在基础教育中不够重要
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技术课程只在高等教育中开设
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