____ Bill cares about sports events and how the sports players are now.
____ Tonny is interested in reading. He wants to know what kind of new books have come out and how some famous writers are living now.
____ Jackson is really a film fan. Recently he would like to know what new movies are on and some famous singers' songs.
____ Kate's father is working abroad in the Syrian Arab Republic. A war broke out there, so she is rather worried about the situation in Syria.
____ Lily is in poor health. She is so eager to know how to keep fit.
| A．Entertainment News: In this section all kinds of news about movies, songs and pop stars are available. |
| B．Advertisement Section: Here are advertisements of various products, such as food, medicine, electronic machine and so on. |
| C．Home News: In this section you will read news about the events which happened in the country. |
| D．Reading Section: In this part, we will introduce some hot books and famous writers to you. Stay with us! |
E. International News: Here are news about the events that happened all over the world.
F. Sports News: Important sports events are broadcast here. And we often interview some good players.
G. Health Section: Winter is coming and it is easy to get ill. If you want to know how to keep away from diseases, you should pay attention to this section.
有两个不相等的实数根，那么
的取值范围是( )