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  3. Innovation, the effective recipe of progress, has always cost people their jobs. Over the past 30 years the digital revolution h

Innovation, the effective recipe of progress, has always cost people their jobs. Over the past 30 years the digital revolution h

admin2014-12-18  89
问题     Innovation, the effective recipe of progress, has always cost people their jobs. Over the past 30 years the digital revolution has【C1】______many of the mid-skill jobs that supported 20th-century middle-class life. Typists, ticket agents, bank tellers and many production-line jobs have been【C2】______with.
    For those who believe that technological progress has made the world a better place, such change is a natural part of rising【C3】______. Although innovation kills some jobs, it creates new and better ones, as a more productive society becomes richer and its wealthier inhabitants【C4】______more goods and services. A hundred years ago one in three American workers was employed on a farm. Today less than 2% of them produce far more food. The millions freed from the land were not delivered to joblessness, but found better-paid work as the economy grew more【C5】______. Today the pool of secretaries has【C6】______, but there are ever more computer programmers and web designers.
    Optimism remains the right starting-point, but for workers the dislocating(扰乱的)effects of technology may make themselves evident faster than its benefit. Even if new jobs and【C7】______products emerge, in the short term income gaps will widen, causing huge social dislocation and perhaps even changing politics. Technology’s impact will feel like a tornado, hitting the rich world first, but【C8】______sweeping through poorer countries too. Worse, it seems likely that this wave of technological【C9】______to the job market has only just started. From driverless cars to clever household devices, innovations that already exist could destroy jobs that have【C10】______been untouched.
A)prosperity B)dispensed C)inquire D)wonderful
E)partition F)eventually G)sophisticated H)displaced
I)conversely J)shrunk K)fragile L)disruption
M)demand N)complicated O)hitherto
【C4】
选项
答案M
解析 空格前后的inhabitants和goods and services都是名词成分，故此处应填人谓语动词；由并列句中的becomes可知句子使用了一般现在时，故此处动词应为原形。词库中语义逻辑相符的是demand“要求；需要”，表示生产力提高的社会日益富有，而富裕起来的居民“需要”更多商品和服务。
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