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] 【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/3086311.html
相关试题推荐
Packaging(包装)isanimportantformofadvertising.Apackagecansomethingm
Packaging(包装)isanimportantformofadvertising.Apackagecansomethingm
Packaging(包装)isanimportantformofadvertising.Apackagecansomethingm
Thesenseofsoundisoneofourmostimportantmeansofknowingwhatisgoi
Thesenseofsoundisoneofourmostimportantmeansofknowingwhatisgoi
Thesenseofsoundisoneofourmostimportantmeansofknowingwhatisgoi
Thesenseofsoundisoneofourmostimportantmeansofknowingwhatisgoi
Oneofthemostimportantproblemsishowto______students’interestinlearnin
Doyousometimesforgetbirthdaysorimportantappointments?Don’tworry!No
Itisimportantthatshe______arecordofeverythingshedoesintheexperimen
随机试题
•Readtheminutesofthemeetingbelow.•Arethesentences(16-22)’Right’or’
《西游记》(JourneytotheWest)是中国四大古典小说之一。它是由明代(theMingDynasty)吴承恩撰写的一部优秀的神话小说
电化学储能是指利用电化学反应来储存能量。下来不属于电化学储能的是()。A.
情感障碍的5一羟色胺假说认为A.躁狂发作有5-羟色胺先升高后降低 B.抑郁发作
关于计算VaR值的蒙特卡洛模拟法,以下表述错误的是()A.蒙特卡洛模拟法在估算之
共用题干 患儿,8个月,肺炎。现突然烦躁不安、发绀,且进行性加重。体检:呼吸6
北沙参是()
银行承兑汇票的承兑银行,应当按照票面金额向出票人收取()的手续费。A:千分之一
从桥梁拱顶截面形心至相邻两拱脚截面形心连线的垂直距离称为()。A.净矢高
蛋白质-热能营养不良患儿皮下脂肪逐渐减少或消失,首先累及的部位是A.四肢 B.
最新回复
(
0
)