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  3. The United States’ predominance in science and technology is fading, a report released this month by the National Science Board

The United States’ predominance in science and technology is fading, a report released this month by the National Science Board

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问题     The United States’ predominance in science and technology is fading, a report released this month by the National Science Board warns. The report underlines what a powerhouse the United States【C1】______in knowledge- and technology-intensive industries, including high-tech manufacturing, energy and drug industry. All in all, those industries【C2】______for about 40 percent of American economic output, more than in any other developed country, it finds.
    But with the rise of increasingly【C3】______emerging economies, the report suggests, underinvestment in research and development might translate into a less【C4】______, less productive American economy in the future.
    The world is【C5】______a "dramatic shift in the global scientific: landscape," said Dan E. Arvizu, chairman of the National Science Board. "Emerging economies understand the【C6】______science and innovation play in the global marketplace and in economic competitiveness and have increasingly placed a【C7】______on building their capacity in science and technology," he said.
    The Asian economies now perform a larger【C8】______of global research and development than the United States does. China carries out about as much high-tech manufacturing as the United States does, the report found.
    But the report also highlights some important market sectors where the United States appears to be falling behind. More【C9】______, the report finds that the United States might be【C10】______in the research and development spending that scientists say is the most important fuel for future innovation. Moreover, many countries spend larger and faster-growing proportions of their economic output on research.
A) account E) directly I) limited M) share
B) competitive F) dominant J) priority N) undergoing
C) concern G) effect K) remains O) worryingly
D) decays H) lagging L) role
【C1】
选项
答案K
解析 该空位于what引导的宾语从句中，该从句的正常语序应该是the United States______a power house in…,故从句缺谓语，应填入动词，说明美国在“知识和技术密集型领域”的地位。由下一句的those industries…more than in any other developed country可知，美国在这些行业仍领先于其他发达国家。故填入remains，意为“保持，仍然是”。
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