CDCB
文章介绍了一种新的媒体传播工具—微博。并具体介绍了微博的作用及其他信息。
1.C 细节题。根据第一段第2,3行A microblog differs from a traditional blog in that its content is typically much smaller, in both actual size and aggregate file size.可知微博和传统博客的差别,C的内容表述正确。
2.D 猜测词义题。根据Commercial microblogs also exist, to promote (促进) websites, services and/or products, and to promote collaboration within an organization.商业微博同样存在,为了宣传网站,服务或者产品也为了促进组织内部的合作。A竞争;B讨论;C传统;D合作;故D符合上下文。
3.C 细节题。根据第三段which allow users to control who can read their microblogs, or other ways of publishing rights besides entering the web-based interface.(界面) These may include text messaging, instant messaging, E-mail, or digital audio.可知ABD的内容都涉及了,C项没有提及,故C正确。
4.B 推理题。根据文章最后两段,尤其是最后一段的The Sysomos study shows that this specific group of marketers on Twitter is much more active than general user population, with 15% following more than 2,000 people. 说明微博给人们带来了很多的好处,故B正确。