2. 职称英语
  3. Almost every new innovation goes through three phases. Wheninitially introd

Almost every new innovation goes through three phases. Wheninitially introd

游客2023-09-17  44
问题     Almost every new innovation goes through three phases. When
initially introducing into the market, the process of adoption is slow.            S1.______
The early models are expensive and hard to use, and perhaps even unsafe.
The economic impact is relatively great.                                           S2.______
    The second phase is the explosive one, where the innovation was                S3.______
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 if it permeates out across the              S4.______
economy. During the explosive phase, the whole new industries
spring up to produce the new product or innovation, but to service it.             S5.______
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 boom was
accompanying by all sorts of other essential activities necessary for              S6.______
auto-based nation: Roads had to be built for the cars to run on; refineries and    S7.______
oil wells, to provide the gasoline; and garages, to repair it. Historically, the   S8.______
same pattern is repeated again and again with innovations. The construction
of the electrical system requested an enormous early investment in generation      S9.______
and distribution capacity. The introduction of the radio was followed by a buying
spree(无节制的狂热行为) by Americans what quickly brought radios into              S10.______
almost half of all households by 1930, up from nearly none in 1924.
选项
答案 introducing→introduced
解析 语态错误。When引导的时间状语从句省略了主语every new innovation及was，其中主语与谓语introduce是动宾关系，所以应该为introduced。
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