translation(Draft two)

1Computers play a vital role in our daily life. They can help students hand in homework fast, and also help people deliver information in time. As long as you turn on the computers, you may be fond of them. However, be sure to tell yourself not to sit in front of computes too long. Most parents do not like their children depending on computers too much. Above all, it wastes time talking the electronic bulletin board system.
3Choosing TV channels carefully is vital. Although television is the most significant way of providing information and entertainment, it may have some defects. Some channels that are full of violence and lust have negative effects on teenagers. Spending too much time watching televisions also hurts the eyesight. Therefore, we should select the programs which are good for our bodies and minds. The most important thing is not to be a couch potato.