2. 职称英语
  3. Almost every new innovation goes【C1】______three phases.【C2】______initially【C

Almost every new innovation goes【C1】______three phases.【C2】______initially【C

游客2023-11-07  42
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. [br] 【C12】
选项 A、the
B、a
C、an
D、/
答案 B
解析 语法题acceleration可作可数或不可数名词。此处a dramatic acceleration指一次大幅度增长。如：an acceleration in the rate of economic growth经济发展速率的增长。定冠词则特指历史上某一次增长，但这里指的是新产品投入市场的普遍模式，并非特指某一次。
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