Every afternoon during the summer vacation，hundreds of thousands of teenagers pour into Internet bars. They switch on a computer，and indulge themselves in a fantasy world playing games such as Wor1d of War craft and Counter Strike.
As everyone knows，playing Internet games can do much harm to teenagers if they spend too much time in the virtual world. Firstly，it is an enormous waste of time and teens will have little time for their study. Secondly，those who play video games day and night will be harmed physically for lack of adequate sleep.Thirdly，teenagers' social ties will suffer as a result of the immersion in the virtual world.
In my opinion，the whole society should pay more attention to this problem，especially the parents and the game industry. Besides，the youth shouldn’t spend too much time，energy or money on the Internet because study is their priority. In conclusion,the youth should make good and proper use of the Internet.
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