单选题
What is paper made from? When we
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books or newspapers, we seldom stop and think about the things
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to make them.
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paper our lives would be very different.
Paper is one of
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important inventions (发明) of all time. The people in Egypt (埃及) first used a kind of grass-like plant to
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paper around five
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years ago. 3000 years later, a Chinese man created a new
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of paper using pieces of old cloth. Then for several hundred years, people
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the world had been using this Chinese method to make paper. In 1838, a Canadian man invented a
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method of paper-making using wood. Today, most of the paper we use is made from
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.