1、In the modern world, computers and the Internet are getting more and more p  1  Most people think they are very u   2   in their studies and lives.

   The first computer was m   3   in 1946. It was very big and it worked s   4  .Today computers are getting s   5   and smaller but working faster and faster. What can computers do? Computers can do all k  6    of things.

   At the s  7   time, our world is getting smaller and smaller w    8  the Internet. The Internet came into the world about twenty--five years later t   9  computers, but it is so important too. If you are far away in America, you can talk to your family freely o  10   the Internet. If you want to r   11   a good book, but you don't have time to b    12    it in the bookshop, you can read it on the I   13   You can also read newspapers, write letters, do some shopping, play g   14  or make friends on it.

   Many students like the Internet s   15  much that they would not like to do anything else. They make f   16    on the Internet, but maybe they have never seen these friends. Some of the students are cheated by the "unreal friends". Because of the Internet, some students can't work hard at their 1  17 . Many of them can't c   18   up with others on many subjects. A few of them have to leave school.

   We can use computers and the Internet to learn more about the w    19  But please remember, "Not all good things are good f  20   you."