It is 2,000 years since the Chinese began to make paper. __1__ everybody knows, paper was one of the most important __2__ in Chinese history. It is because of the invention that __3__ of Chinese history was kept. However, in __4__ parts of the world, much of the history over hundreds of years is __5__ because they had no paper in these countries.

　　Can you __6__ that ancient Chinese people used to __7__ records by putting many stones together in the old days? As writing was developed, words were __8__ on animal bones, later on metal pots, examples of these have been __9__ from the 16th to the 3rd centuries BC. __10__ the second and the fifth centuries AD, words were written on pieces of bamboo or __11__. Maybe you have seen the __12__ books, which was made of pieces of bamboo or wood on which words were written.

　　About 2,000 years __13__， another kind of paper was __14__， which was made from __15__. It was much __16__ to write and draw on it than bamboo or wood, but it was too expensive, so people made a kind of paper from fibers of __17__， such as the outside of trees, and from pieces of old clothes. This kind of paper was as __18__ as silk but much cheaper.

　　It is in the first century __19__ the making of paper had been well developed in China. In the 18th century a papermaking __20__ was built in the Middle East. And later on, Spain, Russia and America began to make paper as well.

　　语篇解读：纸是中国古代的四大发明之一。正是由于它的发明，许多中国历史才得以保存。那么，书写究竟经历了怎样的发展，才最终落到了纸上呢？

　　1．A.As　　　　　　　　　 B．Like

　　C．Therefore D．Thus

　　解析：选A　as为关系代词，引导非限制性定语从句，指的是后面主句的内容，可译为"正如(As)大家所知道的那样"。

　　2．A.deeds B．discoveries

　　C．characters D．inventions

　　解析：选D　根据后面一句话中的invention可知此处为inventions。

　　3．A.many B．few

　　C．little D．much

　　解析：选D　根据句意"由于有了这项发明，许多(much)中国历史才得以保存"可知选much；下文中的much of也是提示。

　　4．A.all B．some

　　C．any D．other

　　解析：选D　in other parts of the world"在世界的其他地方"，此处是泛指。

　　5．A.known B．unknown

C．remained D．puzzled