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    3. We should (挖坑) a hole before we plant a tree.

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                             F(10 分) 

        The World Wide Web (www 万维网) turned 25 years old on March 12th. It has become a very important part in our daily lives. We can't imagine living without the Web,the short form of the World Wide Web.

        In 1989,a British engineer named Time Berners-Lee came up with the idea of the Web. It is a group of “pages” of information that are connected to each other around the world. That is the very beginning of the Web. Since then,the Web has greatly changed the way people live. With a click (点击) of a mouse we can read news,buy things,make friends and learn anything we’re interested in.

        Now,25 years after its birth,how will the Web influence life in the future? Scientists believe there are both advantages and disadvantages.

        A growing Web will help build “better relationships” between different cultures. Also in the future,everyday items could be connected to the Web. We could share plenty of information to make our daily lives more convenient方便的) . So one day in the future,your front door could send you a message, “Dear sir,everyone has left the house,but I'm still open!”

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    根据短文内容回答下列问题。

    1.How old is the World Wide Web?

                                    

    2.Who came up with the idea of the Web?

                                       

    3.What can we do by clicking a mouse according to the message?

                                                  

    4.Will the Web influence life in the future?

                                                

    5.What could happen if we share personal information on the Internet?

                                                   

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    Chinese parents are willing to their children.

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    I hope that you can your mind quickly.

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    People in the town now.

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       In 1620,about half the USA was covered by forests. Today the forests have almost gone. A lot of good land has gone with them,leaving only sand (沙地). China doesn’t want to copy the USA’s example. We’re planting more and more trees. We’ve built the “Great Green Wall” of trees across northern part of our country. The Great Green Wall is 7 ,000 kilometres long,and between 400 and 1,700 kilometres wide. It will stop the wind from blowing the Earth away. It will stop the sand from moving towards the rich farmland in the south. More “Great Green Walls” are needed. Trees must be grown all over the world. Great Green Walls will make the world better.

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