Can you imagine( 想 象 ）a world without the Internet？It's surprising to think about it. Now， China has more than 162 m1.Internet users， according to the ChinaInternet Network Information Centre. This is the second highest number of user in the world after the United States. Today，66%of Chinese “netizens （網(wǎng)民）”are teenagers. “They s2.about thirteen hours every week online，”said Qian Hulin，an Internet expert（ 專家）.Doctor Song in BeijingXuanwu Hospital said about 14% of Chinese netizens who are teens often lasted over ten h3.to play online games.

The main reasons why teenagers surf the Web are to search for information，to communicate(交流）with others and to have f4.. 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 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.

In addition，people can use the Internet to write letters or stories and send emails. Many teens keep in touch with their friends online. It is c 5.than phoning somebody far away and also much quicker.

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