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
25
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
[audioFiles]audio_eufm_j01_169(200910)[/audioFiles]A、Tuesday.B、Wednesday.C、Th
InPakistantheroleofwomenischanging.Althoughwearingtraditionalclo
Thebodylanguageiscloselyrelatedto[br][originaltext]Bodylanguage,
Hetookmeby______arm.A、herB、aC、/D、theD冠词题。在汉语中物主代词经常被省略掉,但在英语中一般不省略。可是这个
《中华人民共和国安全生产法》规定,生产经营单位有下列行为之一:(),责令限
阳脉之海是________。
有关釉质晶体物理性质,描述不正确的是A.牙齿萌出后密度会逐渐增加,所以老年恒牙硬
A.枕骨 B.颏骨 C.骶骨 D.肩胛骨 E.臀部LSA的先露部指示点为
原植物为钩藤的药材的表面特征是A.枝或钩的表面灰白色或灰棕色,有疣状凸起,被褐色
确定地基承载力的特征值时,除采用荷载试验外,也可采用其他方法,但不宜采用的方法是
最新回复
(
0
)