2. 职称英语
  3. What is paper made from? When we【C1】______ books or newspapers, we seldom st

What is paper made from? When we【C1】______ books or newspapers, we seldom st

游客2025-06-25  19
问题     What is paper made from? When we【C1】______ books or newspapers, we seldom stop and think about the things【C2】______ to make them.【C3】______ paper our lives would be very different.
    Paper is one of【C4】______ important inventions(发明) of all time. The people in Egypt(埃及) first used a kind of grass-like plant to【C5】______ paper around five【C6】______ years ago. 3000 years later, a Chinese man created a new【C7】______ of paper using pieces of old cloth. Then for several hundred years, people【C8】______ the world had been using this Chinese method to make paper. In 1838, a Canadian man invented a【C9】______ method of paper-making using wood. Today, most of the paper we use is made from【C10】______ . [br] 【C2】
选项 A、be used
B、used
C、using
答案 B
解析 考查过去分词做定语。过去分词used表示被动，做定语，修饰前面的名词things。
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