Television is now popular all over the world.
People, men and women, old and young, watch TV every day. There are all kinds of interesting programmes on TV.
There is news, music, films, sports and so on. Some TV programmes also teach all kinds of lessons.
And from TV we can learn so much about the world around us.
But sometimes TV has some bad effects on children. Many children watch too much TV every day. They do not want to go over their lessons or do their homework.
Some TV programmes are not good for children.
It is good for children to watch some TV programmes, but it is not good for children to watch too much TV.