试题题干
Translate the following sentence into Chinese.
In the early to mid-1990s, up to 80% of all Internet traffic was adult related.
参考答案
试题解析
考点：mid-1990s 二十世纪九十年代中期；Internet traffic互联网流量。
句子结构：In the early to mid-1990s为时间状语，主干为Internet traffic was adult related.