[网络] 小世界效应；小世界特性

CNN 2010-09-28

Old McDonald had a farm. And if you could text about that fast enough, you might have won 50 grand! Today, you'll meet the teenager who did. I'm Carl Azuz. Welcome to CNN Student News! First up, leaders from around the world are coming together for a

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It's a Small World 这是一个微世界 As they waited to be called into the courtroom, two men were discussing their jury duty assignments. Both were teachers. 他们等候时叫到法庭上,两个人正在讨论他们的陪审员任务。两人都是

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June the 26th is International Day in Support of Torture Victims. This day was created by the United Nations General Assembly to highlight the horrors of torture and to remember those who have been tortured. June 26 is the day the Convention against

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Section 40 Geography What is the capital of this country? Where is such and such a country? This is what we think of when we think of geography. In fact, geography covers not just countries and cities

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By Jim Randle Pittsburgh 25 September 2009 Leaders of 20 of the world's leading and emerging economies are gathered in Pittsburgh, seeking ways to fight the recession, and keep economic troubles from breaking out again. Friday, presidents, prime min

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There's no reliable blood or tissue test, partly because gluten sensitivity isn't a single disease, 现今没有可靠的血液测试或组织测试来确诊，部分原因是麸质敏感不是单一疾病， and has a number of different possible ca

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In his speech marking the occasion, UN chief Ban Ki-moon praised the resolve of governments and civil society groups for passing the deal to tackle climate change. Today we make history in humankind's effort to combat climate change. The landmark Par

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So we believe that deep computing is a trend that will have a profound effect on commerce and on society. Of course a concept throwing big problems at computers is not a new idea. Its rules can be traced at the very origins of the industry. The diffe

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This isnt the first time its happened. Over thelast few years, scientists have examined many other devastating impacts in theEarths past. Using this knowledge, I want to answer the key questions that theChelyabinsk meteor strike raises. Where did thi

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JUDY WOODRUFF: Next understanding the health care reform law. Tonight, we are looking at the changes that start taking effect when new online insurance marketplaces known as public exchanges open next month. One big question how employers may respond

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今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示，Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革，但是又担心改革可能带来的副

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北京巨复杂落户政策出台，众北漂加油 Welcome to 'Today' - an hour of world news and analysis -- Today keeps you informed and inspired. I'm Wuyou Coming up： --Beijing launched point-based hukou system --Kuwait city bans hanging the la

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丰富生活 Make yourself a priority 优先考虑自己 If you don't take care of yourself, nobody else will.You have to be number one. All things in your life stem from your happiness. Be someone who makes you happy! 如果自己不照顾好自己，

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Critical thinking and information analysis. We are living in the information age where, on adaily basis, we are constantly exposed to an ever growing and rapidly changing pool of information. Being able to evaluate this information, sort the valuable

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The Internet has dramatically altered our lives over the past few decades. Although some of these changes have been negative, the overall effect of this technology has been positive. What are your opinions on this? The Internet has brought significan

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