3图认证 二级考试 MS office*应用大纲基本要求1. 掌握计算机基础知识及计算机系统组成2. 了解信息安全的基本知识,掌握计算机病毒及防治的基本概念3. 掌握多媒 西安乌托邦电脑培训预约试听
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