Life in the 21st Century is very interesting.In the new century we will lead an exciting life.For example,we can do some shopping on the Internet instead of shops.In this way ,we neednot worry about the crowded shopping mall.And,students will use computers in class.They can send homework to their teachers by e-mail.Besides everybody can use the Internet to chat with others ,although they are in different countries.Computers and Internet make our life interesting and exciting.