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In the following text, some sentences have been removed. For Questions 41-45, choose the most suitable one from the list A-G to
In the following text, some sentences have been removed. For Questions 41-45, choose the most suitable one from the list A-G to
admin
2017-08-31
29
问题
In the following text, some sentences have been removed. For Questions 41-45, choose the most suitable one from the list A-G to fit into each of the numbered blanks. There are two extra choices, which do not fit in any of the blanks. Mark your answers on the ANSWER SHEET. (10 points)
With the pace of technological change making heads spin, we tend to think of our age as the most innovative ever. We have smartphones and supercomputers, big data and nanotechnologies, gene therapy and stem-cell transplants. Governments, universities and firms together spend around $1.4 trillion a year on R&D, more than ever before.
Yet nobody recently has come up with an invention half as useful as that depicted on our cover. With its clean lines and intuitive user interface, the humble loo transformed the lives of billions of people. 【C1】____________.
Modern science has failed to make anything like the same impact, and this is why a growing band of thinkers claim that the pace of innovation has slowed. 【C2】____________. If the rate at which we innovate, and spread that innovation, slows down, so too, other things being equal, will our growth rate.
Ever since Malthus forecast that we would all starve, human ingenuity has proved the prophets of doom wrong. But these days the impact of innovation does indeed seem to be tailing off. 【C3】_____________. Productivity also supports the pessimists’ case: it took off in the mid-19th century, accelerated in the early 20th century and held up pretty well until the early 1970s. It then dipped sharply, ticked up in late 1990s with computerisation and dipped again in the mid-2000s.
Yet that pattern is not as conclusively gloomy as the doomsayers claim. Life expectancy is still improving, even in the rich world. 【C4】____________. Moreover, it is too early to write off the innovative impact of the present age.
This generation’ s contribution to technological progress lies mostly in information technology (IT). 【C5】____________. But as with electricity, companies will take time to learn how to use them, so it will probably be many decades before their full impact is felt.
Computing power is already contributing to dramatic advances far beyond the field of IT. Three-dimensional printing may cause a new industrial revolution. Autonomous vehicles, like the driverless cars produced by Google, could be common on streets within a decade. And although it is too soon to judge how big a deal these inventions will turn out to be, globalisation should make this a fruitful period for innovation.
[A] The productivity gains after electrification came not smoothly, but in spurts; and the drop-off since 2004 probably has more to do with the economic crisis than with underlying lack of invention.
[B] Rather as electrification changed everything by allowing energy to be used far from where it was generated, computing and communications technologies transform lives and businesses by allowing people to make calculations and connections far beyond their unaided capacity.
[C] Economic growth is a modern invention: 20th-century growth rates were far higher than those in the 19th century, and pre-1750 growth rates were almost imperceptible by modern standards.
[D] And it wasn’t just modern sanitation that sprang from late-19th and early-20th-century brains: they produced cars, planes, the telephone, radio and antibiotics.
[E] If the pessimists are right, the implications are huge. Economies can generate growth by adding more stuff: more workers, investment and education. But sustained increases in output per person, which are necessary to raise incomes and welfare, entail using the stuff we already have in better ways—innovating, in other words.
[F] Many more brains are at work now than were 100 years ago: American and European inventors have been joined in the race to produce cool new staff by those from many other countries.
[G] Life expectancy in America, for instance, has risen more slowly since 1980 than in the early 20th century. The speed of travel, in the rich world at least, is often slower now than it was a generation earlier, after rocketing a century or so ago.
【C4】
选项
答案
A
解析
空格出现在第五段中间。空格上文指出,情况并非如悲观者所宣称的那般暗淡。空 格下文指出,现在就唱衰当代创新的影响力为时过早。这表明本段开始反驳悲观者观点。 空格上文提到“人均寿命依然在增长”显然是对第四段论据进行的针对性反驳。由此推 测,空格内容应该是对第四段其余论据的反驳。A项指出,电气化带来生产率的井喷式发 展;2004年以来生产率的下滑或许跟经济危机关系更大,而非由于缺乏创新所致。该选 项显然是针对“生产率减缓”这一论据做出的反驳。F项通过展示当代发明家的庞大阵容 反驳了悲观论调,有一定干扰。但该项作为反驳论据出现得过于突然,不符合空格上文 as the doomsayers claim的内容。
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0
考研英语一
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