2. 外语
  3. Almost every new innovation goes【C1】______three phases.【C2】______initially【C3】______into the market, the process of【C4】______is

Almost every new innovation goes【C1】______three phases.【C2】______initially【C3】______into the market, the process of【C4】______is

admin2014-05-14  51
问题     Almost every new innovation goes【C1】______three phases.【C2】______initially【C3】______into the market, the process of【C4】______is slow. The early models are expensive and hard to use, and perhaps even unsafe. The economic【C5】______is relatively small. The second phase is the explosive one,【C6】______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【C7】______,【C8】______of the innovation【C9】______again,【C10】______it permeates out across the economy.
    During the explosive phase, whole new industries spring up to produce the new product or innovation, and to【C11】______it. For example, during the 1920s, there was【C12】______dramatic acceleration in auto production, from 1.9 million in 1920 to 4.5 million in 1929. This【C13】______was accompanied【C14】______all sorts of other essential activities necessary for an auto-based nation: Roads had to be built for the cars to【C15】______; refineries and oil wells, to provide the gasoline; and garages, to repair【C16】______. Historically, the same【C17】______is repeated again and again with innovations. The construction of the electrical system【C18】______an enormous early investment in generation and distribution【C19】______. The introduction of the radio was followed by a buying spree by Americans that quickly brought radios into almost half of all【C20】______by 1930, up from nearly none in 1924.
【C15】
选项 A、run
B、run by
C、run across
D、run on
答案D
解析 语法题此处动词run为不及物动词，与road搭配时后面的介词不可省略，为carsrun on the roads，倒装后变为the roads for the cars to run on。
转载请注明原文地址:https://kaotiyun.com/show/zsTK777K
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)