2. 外语
  3. A high-speed此处考查第一点建议：“1．When undertaking Internet-based activities，a high-speed Internet connection is essential.”，即开展网络活动时，一定要

A high-speed此处考查第一点建议：“1．When undertaking Internet-based activities，a high-speed Internet connection is essential.”，即开展网络活动时，一定要

admin2018-06-02  112
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答案A high-speed
解析 此处考查第一点建议：“1．When undertaking Internet-based activities，a high-speed Internet connection is essential.”，即开展网络活动时，一定要具备高速的网络连接，故填入A high-speed，注意首字母要大写。
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