2. 职称英语
  3. breakdown 此处讲到了网络技术存在的问题：“...the only technology obstacles were those created by

breakdown 此处讲到了网络技术存在的问题：“...the only technology obstacles were those created by

游客2023-10-28  66
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答案 breakdown
解析 此处讲到了网络技术存在的问题：“...the only technology obstacles were those created by the slow speed of the Internet connection in the school，the breakdown of Internet access to the building...”，即主要困难包括校园网网速太慢、网络系统故障等，故填入breakdown。
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