首页
登录
职称英语
The immigrants in America are playing an important role in the national scie
The immigrants in America are playing an important role in the national scie
游客
2023-10-10
50
管理
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. [br] 【C9】
选项
A、with
B、from
C、since
D、of
答案
B
解析
此处句意为“华裔和印度裔美国科学家获得的专利所占比例从20世纪70年代后半期的4.1%增长到自2000年至2004年间的13.9%”。此处from和其后的to连用,表示范围“从……到……”。
转载请注明原文地址:http://tihaiku.com/zcyy/3088430.html
相关试题推荐
SomeAfricanAmericanshavehadaprofoundimpactonAmericansociety,changi
SomeAfricanAmericanshavehadaprofoundimpactonAmericansociety,changi
SomeAfricanAmericanshavehadaprofoundimpactonAmericansociety,changi
ItisveryimportantforstudentswhoarestudyingEnglishasasecondlangua
ItisveryimportantforstudentswhoarestudyingEnglishasasecondlangua
Ininternationalmatches,prestigeissoimportantthattheonlythingthatmatt
[originaltext]W:Davidisplayingacomputergame.M:Shouldhedothatwhenthe
ItisveryimportantforstudentswhoarestudyingEnglishasasecondlan
ItisveryimportantforstudentswhoarestudyingEnglishasasecondlan
ItisveryimportantforstudentswhoarestudyingEnglishasasecondlan
随机试题
TheGoldenGateBridgeopenedtovehicletrafficonMay28,1937.Ithadthe
习近平总书记在党的新闻舆论工作座谈会上指出,要推动新闻舆论工作(),主动借助
有些类之间存在一般和特殊关系,即一些类是某个类的特殊情况,某个类是一些类的一般情
预防青少年健康危险发生的内容不包括A.以预防性病和艾滋病为重点,防止不良性行为
A.大黄廑虫丸 B.桂枝茯苓丸 C.香棱丸 D.大黄牡丹汤 E.桃核承气
抵押与质押的区别主要在于( )。 A、担保财产是否为第三人的财产 B、担
某桩基工程采用泥浆护壁非挤土灌注桩,桩径d为600mm,桩长z=30m,灌注桩配
工程监理单位对工程勘察方案审查的内容有()。A.勘察工作内容是否与勘察合同及设计
横道图和网络图是建设工程进度计划的常用表示方法,将双代号时标网络计划与横道计划相
(2020年真题)下列定额中,属于施工企业内部使用的,以工序为对象编制的定额是(
最新回复
(
0
)