Question

Internet is widely used in our daily life. ( 81) Can you imagine a world without the Internet?

It's surprising to think about it. Now,  China has more than 162 million Internet users,according to the China Inter?net  Network Information Centre. This is the second largest number of users in the  world after the United States.Today 66% of Chinese " netizens (網(wǎng)民)，，are teenagers." ( 82) 他們每周在網(wǎng)上花費(fèi)大約13個小時，"said Qian  Hulin，an Internet expert.Doctor Song in Beijing Xuanwu  Hospital said about 14% of Chinese netizens who are teens often went on playing  online games for over ten hours.

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 any?thing. (83) 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,is for her students using the Internet.( 84)"當(dāng)我們在課堂上談?wù)撘恍┰掝}的時候，students who surf the Net  usually know more background information than the oth?ers," she said.

In addition, ( 85) people can use the  Internet to write letters and send emails. Many teenagers keep in touch with  their friends online.It is cheaper than phoning somebody far away and also much  quicker.

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Answer 1

81.你能想象一個沒有互聯(lián)網(wǎng)的世界嗎？

82. They spend about 13 hours on the  Internet every week

83. 而且上網(wǎng)可以有助于學(xué)生做家庭作業(yè)

84. When we talk about some topics in  class

85. 人們可以利用互聯(lián)網(wǎng)來寫信和發(fā)送電子郵件