第二节 ( 共 10 小题;每小题 1.5 分,满分 15 分 ) 阅读下面短文,在空白处填入 1 个适当的单词或括号内单词的正确形式。将答案填写在答题卡的相应位置。 Xuan paper , known as one of the Four Treasures of the Study , first came into 61.____________ (exist) in the Tang Dynasty.The traditional skill of making the paper 62.____________ hand has been passed down through generations.The process takes as many as 108 steps , all of 63.____________ require a level of delicacy. Take papermaking master Zhou Donghong for example.He uses a fine screen to filter ( 过滤 ) a mixture of water and fibers.He lifts it up , and it's a sheet of paper.It takes him and his partner only 15 seconds 64.____________ (form) and shape it , but they've devoted 65.____________ (they) to perfecting the skills for decades. “ There are a lot of tricks of filtering the fibers , and timing is the 66.____________ (difficult) part of all.We have only one chance to filter the right amount of fibers , and only the proper weight guarantees the paper is neither too thin nor too thick , and the margin ( 余地 ) for error is 67.____________ (extreme) small , ” said Zhou.With just the right degree of thickness , top quality Xuan paper holds ink tightly. The skill of papermaking , 68.____________ (recognize) as a national treasure , has also proven to be an international one.We felt 69.____________ great sense of pride as it was listed as a world intangible culture heritage ( 非物质文化遗产 ) by UNESCO in 2009.Since then , in Jingxian County , Xuan paper making 70.____________ (teach) in schools.