阅读下面短文, 在空白处填入适当的单词或括号内单词的正确形式。 Before paper was invented, people wrote or drew on materials such as bamboo, silk, and animal skin. Writing materials were {#blank#}1{#/blank#}(real) expensive and few people learned to read. Therefore, few people wrote. This all changed, thanks {#blank#}2{#/blank#}a man named Cai Lun.
Paper had already appeared in China long before, but the process for {#blank#}3{#/blank#}(produce) it was difficult and the paper was of low quality(质量). Cai Lun began experimenting with many different materials and different methods to {#blank#}4{#/blank#} those-materials into paper. In the year 105A. D, he {#blank#}5{#/blank#}0(make) it from tree, bamboo, cloth rags(碎布片), and fishing nets. His paper was {#blank#}6{#/blank#}(strong) and cheaper than any paper that had been made before.
With Cai Lun's papermaking method, Chinese culture grew more rapidly over the next several {#blank#}7{#/blank#} (century). That's because ideas were much easier to share {#blank#}8{#/blank#} more people who learned to read. The use of paper spread abroad, helping other cultures record and spread their ideas. Today, Cai Lun is {#blank#}9{#/blank#} (regard' as a national hero in China. But {#blank#}10{#/blank#} whole world should remember the clever Chinese papermaker forever.