Microblogging is a broadcast medium in the form of blogging. A microblog differs

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Microblogging is a broadcast medium in the form of blogging. A microblog differs from a traditional blog in that its content is typically much smaller, in both actual size and aggregate file size. Microblogs “allow users to exchange small elements of content such as short sentences, individual images, or video links”.
As with traditional blogging, microbloggers post about topics ranging from the simple, such as "what I"m doing right now," to the thematic(主题的), such as "sports cars.” Commercial microblogs also exist, to promote (促进) websites, services and/or products, and to promote collaboration within an organization.
Some microblogging services offer features such as privacy settings, 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.
The first microblogs were known as tumblelogs. The term was invented in a blog post on April 12, 2005. However, by 2006 and 2007, the term microblog came into greater usage for such services provided by Tumblr and Twitter. Other leading social networking websites Facebook, MySpace, LinkedIn, and XING also have their own microblogging features, better known as status updates.
Several studies, especially by Harvard Business School have tried to analyze the usage behavior of Microblogging services. Many of these studies show that for services such as Twitter, there is a small group of active users contributing to most of the activity.
Twitter, Facebook and other microblogging services are also becoming a platform for marketing and public relations, with a sharp growth in the number of social media marketers. 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.
小题1:Why is a microblog different from a traditional blog?

A．Because a microblog doesn’t include pictures, but a traditional blog does.

B．Because a microblog doesn’t include videos, but a traditional blog does.

C．Because a microblog has smaller contents than a traditional blog in actual and total file size.

D．Because a microblog can only be written on the cell-phones.

小题2:What is the meaning of the underlined word “collaboration” in the second paragraph?

A．Competition.

B．Discussion.

C．Tradition.

D．Cooperation

小题3:Microblogging can protect the following privacy EXCEPT_______.

A．deciding the readers of the microblogs

B．allowing readers to publish their views

C．readers’ deleting what a microblog says

D．deciding whether readers can enter it

小题4:We can infer from the passage that______.

A．microbloggers always post about the thematic topics instead of the simple ones

B．microblogging has developed so quickly and brought the owners more and more benefits.

C．microblogging protects both the owners’ and the readers’ privacy

D．the studies by Harward Business School have analyzed the usage of microblogging services

答案

小题1:C
小题2:D
小题3:C
小题4:B

解析

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。
小题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。
小题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。
小题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。
小题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。