问题详情：
Wood-block printing first appeared in the early Tang period. During the Song dynasty, the technique of block printing was very advanced. Books were 61 (beautiful) printed. Even today the books 62 (print) at the time are valuable and treasured by libraries and book collectors.
However, block printing 63 (be) not very convenient. Every two pages of a book had to be carved on a wood block, and a big book would require many blocks. Besides, there had to be large places for storing the books. 64 (overcome) these shortcomings, Bi Sheng invented the movable type during the years between 1041 and 1048. One word was carved on one piece of clay, 65 was hardened with fire. Then clay characters were set on 66 iron plate according to the text of a book. Then ink was applied to them and 67 (sheet) of paper spread over them, and the printing was done. Bi Sheng’s invention made printing faster and easier 68 before. Later, movable type of metal and wood was made and widely used.
The technique of printing was gradually known to other Asian countries and Europe. The great influence printing had 69 the advance of civilization is too clear to need any 70 (explain).
【回答】
61. beautifully 62. printed 63. was 64. To overcome 65. which
66. an 67. sheets 68. than 69. on 70. explanation
知识点：语法填空
题型：未分类
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