随着互联网的广泛应用，全球互联网用户正以每月超过10％的速度增长。其中互联网中的中文网页至今已达到70多万个，使用中文上网入数已超过千万。随着网络信息的增多，要快速准确检索到需要的信息就越加困难。人们常常把搜索引擎称为“上同第一站”、“网络之门”，因此有必要掌握 With the widespread use of the Internet, Internet users worldwide are growing at more than 10% per month. Among them, the number of Chinese web pages in the Internet has reached more than 700,000 so far, and the number of Chinese accessing the Internet has exceeded 10 million. As network information increases, it becomes more difficult to quickly and accurately retrieve the information you need. People often refer to search engines as “on the same first station ”, “network door ”, so it is necessary to master