The real situation and bad effecst

The age of information and technology has brought mankind lots of the “breakthrough” inventions, in which the appearances of mobile phones with the cheap costs and high application has made the great changes for people’s lives, especially for the youth. Most of the cities- dwellers possess one or more hand phones, in particular, the secondary and college students do.

20p pht_npower 28-05-2010 153 32   Download