More and more people are 41 ( enjoy ) the life with computers. Using computers you can send E-mail 42 ( quick ) and easily. You are able to send a letter with pictures and sounds to someone 43 ( 任何地方 )in the world without 44 ( put ) a stamp. E-mail can send its message to the other side of the world in seconds. E-mail is easy to use and it 45 time and money. It serves( 服务 )for twenty-four hours. So it doesn′t matter if your friends are in bed when you send E-mail to them, or you are seeing a film at the cinema when they send E-mail back. Can you 46 ( 想象 ) the future 47 teachers but computers? Students will teach themselves in the schools of the future. Computers help students develop their own ways of 48 (learn). Students will follow the learning programs by looking at on line libraries and 49 (watch) lessons by world-class teachers. If they don′t understand something, they will ask other students online or E-mail their teachers. Computers are becoming more and more 50 indeed.