✔ 最佳答案
The investigation still shows , the average surf time of every day of teenagers of the addiction exceeds 4 hours to surf the Net , go beyond personal expectancy often , keep the same surf time, can feel unsatisfied still , is it reduce or is it surf the Net to stop to try , can appear fidgety , anxious state of mind , symptom depressed or short-tempered even more. And surf the Net into most of teenagers of the addiction think that one's own academic credits and behaviour and conduct are relatively bad, have comparatively more unhappy family lives even.