首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Although solutions to a problem are often the. fruit of direct investments in targeted research, the most revolutionary solution
Although solutions to a problem are often the. fruit of direct investments in targeted research, the most revolutionary solution
admin
2013-01-12
26
问题
Although solutions to a problem are often the. fruit of direct investments in targeted research, the most revolutionary solutions tend to emerge from cross-pollination with other disciplines. Medical investigators might never have known of X rays, since they do not naturally occur in biological systems. It took a physicist, Wilhelm Conrad Rontgen, to discover them--light rays that could probe the body’s interior with nary a cut from a surgeon.
Here’s a more recent example of cross-pollination. Soon after the Hubble Space Telescope was launched in April 1990, NASA engineers realized that the telescope’s primary mirror--which gathers and reflects the light from celestial objects into its cameras and spectrographs-had been ground to an incorrect shape. In other words, the billion-and-a-half-dollar telescope was producing fuzzy images. As if to make lemonade out of lemons, though, computer algorithms came to the rescue. Investigators developed a range of clever and innovative image-processing techniques to compensate for some of Hubble’s shortcomings. Tums out, maximizing the amount of information that could be extracted from a blurry astronomical image is technically identical to maximizing the amount of information that can be extracted from a mammogram. Soon the new techniques came into common use for detecting early signs of breast cancer. In 1997, for Hubble’s second servicing mission, shuttle astronauts swapped in a brand-new, high-resolution digital detector-designed to the demanding specs of astronomers whose careers are based on being able to see small, dim things in the cosmos. That technology is now incorporated in a minimally invasive, low-cost system for doing breast biopsies, the next stage after mammograms in the early diagnosis of cancer.
Today, cross-pollination between science and society comes about when you have ample funding for ambitious, long-term projects. America has profited immensely from a generation of scientists and engineers who, instead of becoming lawyers or investment bankers, responded to a challenging vision posed in 1961 by President John F. Kennedy. "We intend to land a man on the Moon," proclaimed Kennedy, welcoming the citizenry to aid in the effort. That generation, and the one that followed, was the same generation of technologists who invented the personal computer. Bill Gates, co-founder of Microsoft, was thirteen years old when the U. S. landed an astronaut on the Moon; Steve Jobs, co-founder of Apple Computer, was fourteen. The PC did not arise from the mind of a banker or artist or professional athlete. It was invented and developed by a technically trained workforce, who had responded to the dream unfurled before them, and were thrilled to become scientists and engineers.
By mentioning the PC the author wants to tell us that ______ .
选项
A、human being can profit immensely from the cross-pollination
B、bankers and artists are not helpful to the development of society
C、the country’s policy can influence the people’s career decisions
D、the country’s policy can bring far-reaching influence to society
答案
D
解析
文章在最后一段提到了PC的例子。有句话可以看出作者的目的。由于国家有了航天计划,进而产生了技术专家一代,就是这一代人发明了PC,从而给整个社会带来了深远的影响。因此本题的答案是D。
转载请注明原文地址:https://kaotiyun.com/show/dd9O777K
0
考博英语
相关试题推荐
Aweathermapisanimportanttoolforgeographers.Asuccessionofthreeorfourmapspresentsacontinuouspictureofweather
Agoodscientist______intoallaspectseraprobleminordertofindsolutions.
AlthoughmostuniversitiesintheUnitedStatesareonasemestersystemwhichoffersclassesinthefallandspring,someschoo
AmericanfootballandbaseballarebecomingknowntotheBritishpublicthroughtelevised______fromtheUnitedStates.
TheperiodimmediatelyfollowingtheCivilWarwasatimeofgreathopeforBlacksinAmerica.Itwasalsoatimeofmomentous【2
Whydoteensdrink?Reasonsvaryfrom______pressuretofamilypatternstosocialconditioning.
"Humanism"hasusedtomeantoomanythingstobeaverysatisfactoryterm.57.Nevertheless,andinthelackofabetterword,
InarecentbookentitledThePsychicLifeofInsects,ProfessorBouviersaysthatwemustbecarefulnottocreditthelittlew
InarecentbookentitledThePsychicLifeofInsects,ProfessorBouviersaysthatwemustbecarefulnottocreditthelittlew
随机试题
关于控制X线影像变形的方法,正确的是
属于H2受体阻断剂的是9选择性激动β2受体而扩张支气管的是
在某抽样调查中,在进行人群患龋情况调查时已知预期阳性率为50%,要求抽样误差为20%。根据公式N=K×Q/P,需要调查的人数为
一般需经3~4周培养才能见到有细菌生长的细菌是A.结核杆菌B.淋球菌C.空肠弯曲菌D.炭疽菌E.军团菌
关于沥青针入度试验,请回答以下问题。老化的沥青三大指标的变化规律()。
[2014年第47题]超过100m的高层建筑生活给水供水方式宜采用:
下列关于老龄化的问题,说法错误的是()
对投资者进行知识测试的测试试卷及答案通过()系统统一下发至期货公司会员。
1989年联合国大会通过的《儿童权利公约》的核心精神是( )。
设f(x.y)=则在原点(0,0)处f(x,y)()
最新回复
(
0
)