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
22
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] 【C10】
选项
A、time
B、years
C、decade
D、decades
答案
B
解析
句子表达的是自2000年到2004年间,有四年的跨度,因此用复数years。
转载请注明原文地址:https://tihaiku.com/zcyy/3086314.html
相关试题推荐
Isajobseeker’spreviousworkexperienceimportant?Ifso,inwhatsensea
Americanstendto______.[br][originaltext]Jack:Peter,peoplearoundthewo
______isknowntotheworld,MarkTwainisagreatAmericanwriter.A、ThatB、Whic
Animportantpartofpolicestrategy,rapidpoliceresponseisseenbypolic
Animportantpartofpolicestrategy,rapidpoliceresponseisseenbypolic
Theneedforasatisfactoryeducationismoreimportantthaneverbefore.No
Theneedforasatisfactoryeducationismoreimportantthaneverbefore.No
Theneedforasatisfactoryeducationismoreimportantthaneverbefore.No
Theneedforasatisfactoryeducationismoreimportantthaneverbefore.No
Theneedforasatisfactoryeducationismoreimportantthaneverbefore.No
随机试题
WhatIsLiteraryWriting?I.Literaryworkshavecreativeor【T1】______content【
Inatelephonesurveyofmorethan2,000adults,21%saidtheybelievedthe
[originaltext]Hello,everyone.Intoday’slecture,wewillstudysomeexpre
Teachinginvolvesmorethanleadership.Someoftheteacher’stimeandeffor
关于投资组合X、Y的相关系数,下列说法正确的是()。
以下有关缩短国内外软件评测差距的方法中说法有误的是()A.企业提高对于软件测试
A.兰科B.姜科C.五加科D.毛茛科E.天南星科天麻药材原植物来源于
临床上可用于调节钙、磷代谢,治疗佝偻病、软骨病的药物有A.维生素AB.维生素BC
以下药物的鉴别反应为A.供试品在碱性条件下水解后,用乙醚萃取,分取乙醚液,加2,
通常情况下,由企业提供的重要员工福利项目不包括()。A:国家法定节假日和年度带薪
最新回复
(
0
)