Translate(Draft three)

1.
Computers play a vital role in our daily life. They can help students hand in homework quickly and also help people send information in time. As long as you turn on the computers, you will 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 to depend on computers too much. Above all, it wastes time talking on the electronic bulletin board system.
3.
Choosing 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 our 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.