Radio, telephone and television are widely used in the world. When you 1 the radio, you can listen. But when you use the telephone, not only you can listen to others __2 you can talk with them; however, you 3 see anything at all. Television is much better than 4 of them. People can watch TV and listen to it. But they cant take part in 5 they see.
Today some people are using a kind of telephone called the picture phone or vision phone. 6 it two people who are talking can see each other.
Picture phone can be very 7 when you have something to show the person you are calling. They may have other uses in the future. Some day you may be able to 8 a library and ask to read a book right over your picture phone. You may also be able to go shopping through it, too. When you 9 something in the newspaper that you think you want to buy, you may go to your picture phone and call the shop. The shop assistant will show you the thing that youre 10 in right over the phone. Youll be able to shop all over the town and never leave your home.
1. A. turn to B. turn over C. turn off D. turn on
2. A. and B. not C. so D. but also
3. A. can B. cant C. need D. neednt
4. A. all B. none C. both D. every
5. A. what B. how C. why D. where
6. A. With B. In C. By D. Without
7. A. use B. uses C. used D. useful