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简答题
How should we tell the story of the digital century, now two decades old? We could focus, as journalists do, on the depredations of the connected life. As Facebook, Twitter, and YouTube have devoured the online world, they have undermined traditional media, empowered propagandists, and widened America's political divides. The smart phone, for all its wonder and utility, has also proved to be an anaesthetic.
(46) The internet age was praised as a third industrial revolution—a spur for individual ingenuity and an engine of employment, however, on these counts, it has not delivered.To the contrary, the digital age has coincided with a slump in America's economic dynamism. The tech sector's innovations have made a handful of people quite rich, (47) but it has failed to create enough middle-class jobs or to help solve the country's most pressing problems：deteriorating infrastructure, climate change, low growth, rising economic inequality.
Decades from now, historians will likely look back on the beginning of the 21st century as a period when the smartest minds in the world's richest country sank their talent, time, and capital into a narrow band of human endeavor—digital technology. Their efforts have given us frictionless access to media, information, consumer goods, and chauffeurs. (48) Software has hardly remade the physical world when we were promised an industrial revolution, whereas what we got was a revolution in consumer convenience.
The original Industrial Revolution freed humanity from the centuries-long prison of slow economic growth. In the early 19th century, productivity and income were skyrocketing, first in England and soon throughout Europe. While the transition was brutal for many, (49) the gains were broadly shared：Real wages for the working class doubled in the first half of the century, and life expectancy at birth rose dramatically in the second half.
In the computer age, the economy has trended in the opposite direction. Look up from your textbooks：Everything is getting better except our ability to measure how much better everything is getting. (50) But no matter how aggressively you torture the numbers, the computer age has coincided with a decline in the rate of economic growth as well as innovation .The bulk of innovation has been shunted into the invisible realm of bytes and code. All of that code, technology advocates argue, has increased human ingenuity by allowing individuals to tinker, talk, and trade with unprecedented ease. This certainly feels true. But by most measures, individual innovation is in decline. In 2015, Americans were far less likely to start a company than they were in the 1980s.
关于互联网时代的描述，下列哪项能够概括文章主旨？
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答案：
解析：
根据题干中的描述“The internet age was praised as a third industrial revolution—a spur for individual ingenuity and an engine of employment, however, on these counts, it has not delivered”，可以得知，这道题要求从所给选项中选出能够概括这段文字主旨的答案。选项D中的表述“互联网时代被誉为第三次工业革命，但在激发个人创造力和创造就业机会方面并未兑现”正好与题干中的描述相符，因此D是正确答案。
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