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14.The Internet has become part of teenage life.
A new report on 3,375students aged from 10to 18in seven Chinese cities found that 38percent of them believe they use the Internet often.
While most of them get useful information and use the Internet to help in their studies,some are not using it in a good way.
In order to help young people use the Internet in a good way,a textbook on good Internet behavior has started to be used in some Shanghai middle schools this term.The book uses real examples to teach students all about good ways of using the Internet.The book gives useful advice such as it's good to read news or find helpful information to study.
Some students also make online friends.But if you are meeting a friend offline,make sure your parents know.Teachers and parents all think the book is of great help.A teacher said the book would be a guide for teens using the Internet.She believes it will keep students away from bad sites."Many students are using the Internet without guidance from their parents,"she said."The book will teach students how to be a good person in the online world."

21.The textbook on good Internet behavior used in Shanghai middle schools mainly tells usA.
A.how to use the Internet correctly      B.how to study using the Internet
C.why we should use the Internet         D.how to get help from others
22.According to the passage,teenagers are NOT encouraged toD.
A.read online news
B.use the Internet to help them study
C.find useful information online
D.meet a friend off line without letting their parents know
23.From this passage we know thatC.
A.less and less helpful information can be found online
B.schools and teachers pay no attention to students'use of the Internet
C.the teachers and parents all think highly of the book on good Internet behavior
D.more and more students have given up visiting Web sites.

分析 文章主要说明学生如何准确使用互联网.

解答 21.A  主旨大意题.总结文章大意可知文章主要说明了如何准确使用互联网,故选A.
22.D  细节理解题.根据But if you are meeting a friend offline,make sure your parents know.可知D选项不让父母知道就去见网友是不被鼓励的,故选D.
23.C  推理判断题.根据最后一段Some students also make online friends.But if you are meeting a friend offline,make sure your parents know.Teachers and parents all think the book is of great help.可知学校和老师开始关注学生如何使用互联网,故选C.

点评 阅读理解题测试考生在阅读基础上的逻辑推理能力,要求考生根据文章所述事件的逻辑关系,对未说明的趋势或结局作出合理的推断;或根据作者所阐述的观点理论,对文章未涉及的现象、事例给以解释.考生首先要仔细阅读短文,完整了解信息,准确把握作者观点.

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