15．Can you imagine a world without the Internet？It's surprising to think about it．?
Now，China has more than 162million Internet users，according to the China Internet Network Information Centre．This is the second highest number of user in the world after the United States．Today，66% of Chinese"netizens（网民）"are teenagers．"They spend about thirteen hours every week online，"said Qian Hulin，an Internet expert（专家）．Doctor Song in Beijing Xuanwu Hospital said about 14% of Chinese netizens who are teenagers often lasted over ten hours to play online games．?
The main reasons why teenagers surf the Web are to search for information，to communicate with others and to have fun．On the Internet，teenagers can find out almost anything．And surfing the Web can help students with their homework and widen their knowledge．?
Li Dong，a teacher in NO.41Middle School in Shijiazhuang，likes her students to use the Internet．"When we talk in class，students who surf the Net usually know more background information than the others，"she said．?
In addition，people can use the Internet to write letters or stories and send emails．Many teenagers keep in touch with their friends online．It is cheaper than phoning somebody far away and also much quicker．
根据短文内容，选择最佳答案．
61．Bhas the most Internet users in the world according to the article．
A．China B．America C．Canada D．Russia
62．There are aboutCChinese netizens to play online games for over ten hours．
A.107million old B.22.7million old
C.107million young D.22.7million young
63．Which isn't mentioned about the main reason why teenagers surf the Web？A
A．having fun
B．searching for information
C．shopping on line
D．communicating with others
64．Li Dong in NO.41Middle School likes her students to use the Internet because sheB．
A．thinks surfing the Net can help students spend less time on homework
B．thinks her students can get more background information than the others
C．wants her students to talk to her about their hobbies and interests
D．wants to know what her students do and think about at home
65．Which way is the cheapest and quickest to learn something about friends far away？D
A．Giving them a call．
B．Going to see them．
C．Writing a letter to them．
D．Sending emails to them．
分析 该短文主要讲述了互联网对人们的生活的作用；美国拥有世界上最多的互联网用户；中国是位居美国之后的第二位；现在，中国的互联网用户已经超过1.62亿．青少年上网的理由是他们可以获取信息，和别人联系，网络本身很有趣等．人们可以使用互联网来写信或写故事和发送电子邮件．许多青少年通过互联网和他们的朋友保持联系．给远处的朋友发送电子邮件是了解他们的最便宜和最快的方式．
解答 61：答案：B；细节理解题；根据文章内容．Now，China has more than 162 million Internet users，according to the China Internet Network Information Centre．This is the second highest number of user in the world after the UnitedStates；可知美国拥有世界上最多的互联网用户；故选B；
62：答案：C；细节理解题；根据文章内容，China has more than 162 million Internet users，a和后文的内容Today，66%of Chinese"netizens （网民）"are teenagers．可知10个小时大约有1.07亿中国网民在玩网络游戏；故选C；
63：答案：C；细节理解题；根据文章内容，The main reasons why teenagers surf the Web are to search for information，to communicate with others and to have fun．可知shopping on line没有提到；故选C；
64：答案：B；细节理解题；根据文章内容Li Dong，a teacher at No.41 Middle School in Shijiazhuang，likes her students to use the Internet．"When we talk in class，students who surf the Net usually know more background information than the others，"she said．可知，他认为她的学生可以比其他人得到更多的背景信息；故选B；
65：答案：D；细节理解题；根据文章内容Many teenagers keep in touch with their friends online．It is cheaper than phoning somebody far away and also much quicker；可知，给远处的朋友发送电子邮件是了解他们的最便宜和最快的方式；故选D．
点评 首先对原文材料迅速浏览，掌握全文的主旨大意．掌握全文的大意之后，细细阅读每篇材料后的问题，弄清每题要求后，带着问题，再回到原文中去寻找、捕获有关信息．
