题目内容：

The art of paper-cutting in China may date back to the second century, since paper 1. (invent) by Cai Lun in the Eastern Han Dynasty in China. As paper became more affordable, paper-cutting became one of the most important 2. (type) of Chinese folk art. Later, 3. different regions adopting their own cultural styles, this art form spread to other parts of the world. 4. (usual), the artworks are made of red paper, as red is associated with 5. (happy) in Chinese culture, but other colors are also used.

With 6. (it) long history, paper-cutting, 7. originated in China, has been very popular among the ordinary Chinese people. People put up papercuts on walls, windows and doors at wedding ceremonies or festivals 8.(strengthen) the cheerful atmosphere.

Chinese papercuts are rich in content. The auspicious (吉祥的)designs symbolize good luck and the avoidance of evil, The child, lotus (莲花) and bat designs suggest a family with 9.large number of children and grandchildren. Birds, livestock, fruit, fish and worms are also familiar objects 10. (accept) by Chinese farmers. In a word, papercuts used in different occasions have different meanings,