1.随着社会和经济发展，网络成为了每个人必不可少的获取信息的工具

　　2.但是，在网络上也出现了一些不和谐的因素，如垃圾信息，黄色网站，虚假新闻，网络炒作等。来源：www.examda.com

　　3.如何采取措施制止和消除这些现象。

　　The advent of the Internet ushered in a new era of interpersonal communications and business operations. Undoubtedly, the Net are revolutionizing the daily lives of the people who have an access to it. The primary reason behind the Internet boom roots in its multifunction. It provides a vehicle for netizens to shop, search, publish blogs and browse WebPages.

　　A range of problems lurking behind the frenzy of Internet impressively stand out. A vast majority of Internet users' mail boxes are saturated with junk mails, an issue which sparks strong criticism and generates the loss of corporate productivity. It's not alone. Porn websites lure a growing number of young people's visits. False news via the e-mail, BBS and chat room increasingly poses a threat to the social prosperity and stability.

　　To crack down them, we should push for a more effectively tough law. We should join our forces to launch a nation-wide campaign, including imposing stiff penalties on spammers, shutting down or blocking the lewd sites and introducing a real-name registration system to curb fraudulent messages. We can fully believe that our combined efforts will reap rewards. A clean cyberspace will paint our lives more colorfully. An economically booming and technologically advanced global web will play a vital role in the national economic and cultural advancement. 来源：www.examda.com