Facebook is an Internet-based social network site that lets people get in touch with family and friends and reach out to people with common interests around the world.all through computer．It is very 题目和参考答案——青夏教育精英家教网—

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3．Facebook is an Internet-based social network site that lets people get in touch with family and friends and reach out to people with common interests around the world，all through computer．It is very popular，with more than 900million users．If Facebook were a country，it would have about three times the population of the United States．
Documents filed with US．financial regulators say Facebook has hundreds of millions of active users who send billions of messages each day and upload 250million photographs on their personal pages．Facebook users have registered 100billion"friends．"
On Facebook，"Friending"someone means you add the person to your list of people you can communicate with directly，which often allows the person to see more information about you than you share with the general public．
Facebook was started by Mark Zuckerberg and other students at Harvard University in 2004，and has grown at an amazingly fast pace．
Facebook makes money when advertisers pay to get access to hundreds of millions of Facebook users．Advertisers can often direct their messages to the people most interested in their products because Facebook computers keep track of information that users place on their pages．For example，a person interested in diving，planning a wedding，looking for work，or suffering from diabetes（糖尿病） may see advertisements related to those topics．
Facebook has become so much a part of the culture of the United States and other nations that it has been the subject of a Hollywood movie．It is a key marketing tool for many businesses，and its users'content has been used as evidence in some divorce or criminal cases．
29．From the first paragraph，we can learn thatB．
A．about 900million Americans are using Facebook
B．Facebook is widely used in the world
C．Facebook is a country in the Internet
D．Facebook is a place where people can meet face to face
30．If you are a friend of someone on Facebook，youC．
A．will have 100billion friends
B．can download 250million photographs
C．will share more private information
D．have to send message every day
31．Advertisers use Facebook because they can knowA．
A．who are interested in their products
B．how to keep track of information
C．what products are popular with the young
D．where their products are sold well
32．What might be the most suitable title for the passage？D
A．Who starts Facebook？
B．How to use Facebook？
C．When is Facebook on？
D．What is Facebook？

分析本文主要介绍了脸谱网，包括它的发明者，它在世界上的广泛运用和影响等．

解答 29-32：BCAD
29题答案：B考查细节推理，根据第一段倒数第二句话It is very popular，with more than 900million users．它（Facebook）很流行，有超过9亿用户．可知它非常流行，用户多，因此它在世界各地普遍应用．故本题答案为B选项．
30题答案：C考查细节推理，从第三段的…which often allows the person to see more information about you than you share with the general public．（与他人成为朋友）通常会使这个人看到相比于普通人更多的关于你的信息．可知假如你在脸谱网上与他人是朋友的话，会交流分享更多地信息．故本题答案为C选项．
31题答案：A考查细节推理，结合倒数第二段的第一句话Facebook makes money when advertisers pay to get access to hundreds of millions of Facebook users．"广告商向脸谱付费以接近数以百万级的脸谱用户"．可知广告商们经常在脸谱网上投放广告，因为他们想在脸谱网了解用户中哪些人是他们的潜在客户．故本题答案为A选项．
32题答案：D考查主旨大意，本文简单介绍了什么是脸谱网，包括它的出现、它的大量应用等．故本题答案为D选项．

点评本文是一篇科教类阅读，题目涉及多道细节理解题，做题时结合原文和题目有针对性找出相关语句进行仔细分析，结合选项选出正确答案．推理判断也是要在抓住关键句子的基础上合理的分析才能得出正确的答案．

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