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
2024-08-03
41
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] 【C7】
选项
A、fell
B、extended
C、enlarged
D、rose
答案
A
解析
本文讲述的是移民科学家对美国做出的贡献,由此推断,此句讲述的是与移民科学家相比,近年来美国本土科学家得到的专利份额减少了。主句的时态是一般过去时,所以空格处应该用fall“下跌”的过去式fell。
转载请注明原文地址:http://tihaiku.com/zcyy/3703122.html
相关试题推荐
Alloftheinternationaldelegatesattendingtheconference______tobringasouv
WhenColumbusreachedtheNewWorld,cornwasthe________intheAmerica.A、widely
Slaverywaslegalforover200yearsinsomepartsofNorthAmerica,par
Slaverywaslegalforover200yearsinsomepartsofNorthAmerica,par
Slaverywaslegalforover200yearsinsomepartsofNorthAmerica,par
Slaverywaslegalforover200yearsinsomepartsofNorthAmerica,par
Americandesertsaresometimesquitegreen.________,theycannotsupportcrops.A
[originaltext]W:Hi.I’msorrytointerruptyou,butIhavesomethingimportant
Slaverywaslegalforover200yearsinsomepartsofNorthAmerica,particu
Slaverywaslegalforover200yearsinsomepartsofNorthAmerica,particu
随机试题
Artificialflowersareusedforscientificaswellasfordecorativepurpose.
ThenovelSonsandLoverswaswrittenbyA、ThomasHardy.B、JohnGalsworthy.C、D.
[originaltext]Zimbabwe’sinflationratehasincreasedsharplyinthepastt
Millionsdieearlyfromairpollutioneachyear.Airpollutioncoststheglob
关于过敏原皮肤试验出现假阴性原因不正确的是A.试验抗原的浓度过浓 B.因各种原
男,41岁,发现上腭前部正中肿物3个月(如图),伴自发性剧痛,近半个月来午后低热
下列颅骨骨瘤的临床特点中,错误的是A.多见于青壮年 B.好发于枕部 C.生长
每小时正常胎动次数为A.1~3次 B.3~5次 C.5~8次 D.8~10
《中国药典》溶出度测定结果的判断标准为:6片(个)中每片(个)的溶出量,按标示量
下列有关审计程序的说法中,错误的是()。A.重新计算可通过手工方式或电子方式进
最新回复
(
0
)