| A.learn how to operate a computer |
| B.know how to make a telephone call |
| C.have a telephone |
| D.learn how to type on a computer |
| A.they also have their own telephones |
| B.they also have their own computers |
| C.you have already known their telephone numbers |
| D.they are also connected to the Internet |
| A.work out its technical problems besides using the Internet |
| B.use the Internet besides working out its technical problems |
| C.sort through all kinds of information on www |
| D.help your friends with your Net knowledge |
| A.see the others face while calling up |
| B.receive information from other computers |
| C.send information to other computers |
| D.both B and C |
| A.60 million. | B.15 million. |
| C.75 million. | D.No one knows. |