Many teachers worry about the effects of television on young people. According to studies, any children spend more time         ________
watching television than they spend in school. Because so________
much viewing, children may not be develop the habit of ________
read and the ability to enjoy themselves. No one worries________
much about the radio program young people listen to, ________
　　although radios can be very noise. Teachers also wonder about ________
the effects of television commercials. On one year the _______
average child will see 25,000 television commercials, all________
planned and written by grown-ups to make children to want________
things that they don't real need.                          ________