2. 外语
  3. The immigrants in America are playing an important role in the national science development. Mr. Obama says that part of the sol

The immigrants in America are playing an important role in the national science development. Mr. Obama says that part of the sol

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问题     The immigrants in America are playing an important role in the national science development. Mr. Obama says that part of the solution【C1】______America’s economic problems should come from its universities and research laboratories. Yet these【C2】______in America are now manned disproportionately(不均衡地)by immigrants, who made【C3】______47% of scientists and engineers in America with PhDs. William Kerr, an economist at Harvard Business School, used name-matching software to【C4】______the ethnicity(种族)of each of the 8 million scientists who h ad【C5】______an American patent since 1975. He found that the share of patents【C6】______to scientists born in America【C7】______between 1975 and 2004. The share of all patents given to scientists of Chinese and Indian【C8】______living n America more than tripled,【C9】______4.1% in the second half of the 1970s to 13. 9% in the【C10】______between 2000 and 2004. Some of these patents may have been given to American-born children of earlier【C11】______, but Mr. Kerr reckons that most changes over time【C12】______from fresh immigration.
    But does all this emigration from the developing world【C13】______the originating countries’ capacity【C14】______innovation? A new【C15】______uses data on the patents cited by scientists working in India in their【C16】______to America’s patent office. It finds that proximity .(邻近) 【C17】______matter. Indian patent applicants【C18】______to research by people in India much more often than they cite work by those【C19】______In that sense, having many scientists【C20】______India does weaken innovation there.
【C2】
选项 A、corporations
B、firms
C、foundations
D、institutions
答案D
解析 空格处指前一句中的universitiesand research laboratories，因此应该用institutions“(大学、银行等大规模的)机构”指代大学和研究实验室。corporations意为“股份公司”；firms意为“商行；公司”；foundations意为“基金会”。这三项均不符合大学和研究实验室的性质。
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