随着二十一世纪的来临 ,以计算机互联网为代表的现代信息技术正以惊人的速度改变着人们的生活方式和学习方式。当今的计算机技术具有处理文字、影视、声音、图像和三维动画等功能 ;国际互联网 ,是人类智慧的联网 ,它将古今中外全人类的智慧汇聚到覆盖全球的巨型复杂网络系统之 With the advent of the 21st century, modern information technologies represented by computer networks are changing people’s lifestyles and learning styles at an alarming rate. Today’s computer technology has the functions of handling text, movies, sounds, images, and three-dimensional animation. The Internet is the networking of human intelligence. It gathers the wisdom of all human beings from ancient and modern, at home and abroad, to the giant, complex network systems that cover the globe.