2. 外语
  3. Spam messages are increasing rapidly and are soon expected to make up about half of all email messages. Using【70】______methods,

Spam messages are increasing rapidly and are soon expected to make up about half of all email messages. Using【70】______methods,

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问题     Spam messages are increasing rapidly and are soon expected to make up about half of all email messages. Using【70】______methods, spammers can send millions of emails with the click of a button. Anti-spammers struggle to keep up with their tactics, using trained technicians and software filters to minimise spam. Internet service【71】______are leading the fight against spam, which costs them and their customers billions of dollars each year. Anti-spam technicians watch the flow of email on the Internet, keeping an eve out for mass mailings. However, spammers are hard to track, since they can easily【72】______in the web of technology. Some small companies are trying to fight spam by collecting the email addresses of spam senders and publicizing them. Individuals can slow spam too, by【73】______chat groups, choosing a longer email address, and keeping multiple accounts. Still, in the long run, it may take new【74】______ or stricter laws to stop spam. In the meantime, users will continue【75】______under huge quantities of spam.
选项
答案technology
解析 由全文大意可推断出新科技和法律手段是阻止垃圾邮件的两种可行性方法。
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本试题收录于： A类竞赛（研究生）题库大学生英语竞赛（NECCS）分类
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