2. 外语
  3. Almost every new innovation goes through three phases. When【C1】______ introduced into the market, the process of【C2】______is slo

Almost every new innovation goes through three phases. When【C1】______ introduced into the market, the process of【C2】______is slo

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问题 Almost every new innovation goes through three phases. When【C1】______ introduced into the market, the process of【C2】______is slow. The early models are expensive and hard to use, and perhaps even unsafe. The economic【C3】______is relatively small. The second phase is the explosive one,【C4】______the innovation is rapidly adopted by a large number of people. It gets cheaper and easier to use and becomes something familiar. And then in the third stage, diffusion of the innovation slows down again, as it permeates out across the economy.
During the explosive phase, whole new industries spring up to produce the new product or innovation, and to【C5】______it. For example, during the 1920s, there was a dramatic acceleration in auto production, from 1.9 million in 1920 to 4.5 million in 1929. This【C6】______was accompanied by all sorts of other essential activities necessary for an auto-based nation: Roads had to be built for the cars to run【C7】______; refineries and oil wells, to provide the gasoline; and garages, to repair them. The same pattern is【C8】______repeated again and again with innovations. The construction of the electrical system required an enormous early investment in generation and distribution【C9】______. The introduction of the radio was followed by a buying spree (无节制的狂热行为) by Americans that quickly brought radios into almost half of all household by 1930, up from【C10】______none in 1924.
A. impact B. adaptation C. initially D. where
E. on F. nearly G. service H. blossom
I. which J. by K. adoption L. boom
M. pattern N. historically O. capacity
【C6】
选项
答案L
解析 boom，上下文及词义辨析题。根据词性，此处应当填入名词。空格前的this一词提示了此空格指的是上文的新产品爆发式发展阶段，含有繁荣昌盛的意义，主要区别blossom和boom，前者指“花(尤指果树或灌木的花)；兴旺”，后者指“(人口、贸易等的)突然增加；繁荣”，形容经济发展更贴切的选择应当是boom。
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