Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 1

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问题      Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries. Yet much had happened  【21】______   . As was discussed before, it was not  【22】______   the 19th century that the newspaper became the dominant pre-electronic  【23】______   ,following in the wake of the pamphlet and the book and in the  【24】______   of the periodical. It was during the same time that the communications revolution 【25】______   up, beginning with transport, the railway, and leading  【26】______   through the telegraph, the telephone, radio, and motion pictures  【27】______   the 20th-century world of the motor car and the airplane. Not everyone sees that process in  【28】______   . It is important to do so.
     It is generally recognized,  【29】______   , that the introduction of the computer in the early 20th century,  【30】______   by the invention of the integrated circuit during the 1960s,radically changed the process,  【31】______   its impact on the media was not immediately   【32】______   . As time went by, computers became smaller and more powerful, and they became" personal" too , as well as  【33】______   ,with display becoming sharper and storage  【34】______   increasing. They were thought of, like people,  【35】______   generations, with the distance between generations much  【36】______   .
     It was within the computer age that the term" information society" began to be widely used to describe the  【37】______   within which we now live. The communications revolution has  【38】______   1both work and leisure and how we think and feel both about place and time, but there have been  【39】______   views about its economic, political, social and cultural implications. "Benefits" have been weighed  【40】______   "harmful" outcomes; And generalizations have proved difficult.
【29】

选项 A、indeed
B、hence
C、however
D、therefore

答案C

解析 根据句意和词语用法。however插入在句子中间,用逗号与句子前后隔开,表示转折,然而,可是。indeed表示让步,当然,确实。hence要与句子连用,不隔开,因此,从此。therefore用在句子开头,因此,所以。
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