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Reclaiming The American Dream VI: The (Other) Lessons of Khan Academy

Howard Husock
This article is more than 6 years old.

To say that Khan Academy has important lessons to offer is to state the obvious. The Mountain View-based internet teaching institution—which has grown from founder Salman Khan’s individualized YouTube math lessons for his 7th grade niece to a worldwide phenomenon—offers thousands of free, plain-spoken online courses, from algebra to biology. But there are even broader lessons to be taken from the astounding success of Sal Khan, winner of the Manhattan Institute’s $100,000 2014 William E. Simon Prize for Lifetime Achievement in Social Entrepreneurship. Indeed, the lessons extend well beyond education

GoldSeek.com的这个标题发出了红色警报。在评估另外20名专家跟踪的20种周期之后,它总结道:“很多周期表明股市的调整或崩溃已经临近……未雨绸缪是很重要的。在‘窗口’关闭之前,你仍有一些时间!”
Casual games--simple games such as card games--take second place with three ranked among the top 10 game list, while Web page games--such as Tencents' QQ games--are emerging as a new growth area. According to the report, by the end of Octover 2009, there were 1.54 million users playing the top five Web page games, with each user playing for an average of 30 minutes a day.
The slower acceleration also tracks with trends in real estate investment, which felt a (slight) bite from property purchasing curbs in top-tier cities last month as nation-wide sales also decelerated in both volume and value terms.
Iron ore imports fell 12.3 per cent by volume in October from the previous month and 4.9 per cent from the same month a year earlier while coal imports were down 21.4 per cent from September and 30.7 per cent from a year earlier, according to Chinese customs data.
煽动家越是热情洋溢和野心勃勃,民主体制就越有可能沦为专制统治。
The TV version premiered on Jan 30 and starred two popular actresses, Yang Mi and Dilraba. It is about a fairy’s romance with a god in their three different lives.

The story of Khan Academy’s start and growth is dramatic. Sal Khan, New Orleans-born and MIT-educated, was working in the finance industry as a hedge fund analyst when, in 2004, he learned that his niece, Nadia, needed help with algebra. He began sending her his own clear, step-by-step illustrated lectures (Khan himself did not appear) via YouTube. That allowed other web users to use the same lessons. The teaching of Khan—a complete outsider to education or education reform—went viral, ultimately catching the eye of Bill Gates, whom Khan learned was helping his own children with lessons first meant for Nadia. Khan eventually attracted $15 million-plus in philanthropic support from the Bill and Melinda Gates Foundation, Google , venture capitalist John Doerr, and others accustomed to the idea that radical newcomers might be worth investing in. Such funding allowed Khan to give up his day job and start Khan Academy, with a forthright, undeniably ambitious goal: a free world-class education, for anyone, anywhere.

Sure, all of the hosting companies offer a basic CMS (content management system). But do they offer the flexibility that you need to get found online? Probably not. WordPress is an open-source CMS that you can install, customize and continuously optimize. You will likely need someone with development experience to help with set up, but once the template is installed, you’re probably smart enough to publish content without any assistance.
in进入,stitute站,建立-站进去;进入建立的状态-创立
最佳喜剧类编剧:阿兹?安萨里(Aziz Ansari)和艾伦?杨(Alan Yang),《无为大师》,“父亲母亲” (Master of None, "Parents")
Venice has long been hailed as one of the most romantic cities in the world, a must-visit lagoon city on many people's travel lists.
这家瑞士学校在2016年全球90个最佳管理学硕士项目中荣登榜首,连续6年夺冠。
A Saudi Woman Who Got Behind the Wheel and Never Looked Back
时间:2010-03-14 编辑:alex

相比之下,巴西雷亚尔升值促使咖啡和糖价格飙升,因为该国是这两种商品的最大生产国。
互联网已经让世界变成了平面,Facebook让我们大家团结起来,组成一个大家庭。我们的祖父那一辈人是地区的传承者,我们这代人是国家的传承者,而你们则是世界的传承者。你现在和任何人的联系只有4.74个人的距离,到达全球任何有人居住的角落平均只需要两天时间。你可以踏上旅途。无论是非洲、欧洲、印度、中国还是巴西,前往那些能让你学到最多东西的地方,拥抱那个可以教给你最多东西的国度。
感谢和凯尔特人的选秀权交换,他们没有理由摆烂。他们或许会从参选球员中选到一个最佳安慰奖以推动球队前行。
特斯拉的积压订单达到2.26亿美元。到2014年之前,特斯拉的生产速度大约为每周1000台,也就是说这些订单需要30周才能消化完。
它曾经是一家傲视业界、富可敌国的投资公司,能从世界一流的金融机构源源不断地获得贷款。它用借来的钱大把大把地押注,购买资产,获得更高的回报。但当这些资产的市值下跌,贷款机构开始要求更多的抵押品,最后这家公司竟然轰然倒塌。很多惊魂未定的贷款机构全面收紧贷款要求,造成整体的信贷紧缩。
In the foreseeable future, China will see the boom of enterprises in tertiary industry. Related majors, including law, journalism and communication, and management, are expected to play a bigger role, according to the report.
科学家周日表示,2013年,全球温室气体排放量增加了2.3%,达到历史新高。这个最新迹象表明,在控制全球变暖方面,国际社会的努力仍远远不够。
这种插秧机只需几分钟便能种植数排幼苗。可节省88%的种植时间。
This makes China the leader among middle-income economies for this indicator, followed by India which has overtaken Brazil, according to the report jointly released by Cornell University, INSEAD and the World Intellectual Property Organization (WIPO).
第48届美国乡村音乐学院奖获奖名单:
本榜单另一个荣誉推荐的是《明日帝国》的主题曲。
Movie buffs will soon be able to celebrate with a visual feast at the Beijing International Film Festival, where nearly 500 high quality films will be shown.
With an 8.5-percent increase in profits, industrial enterprises reversed the previous year's negative growth of 2.3 percent.
傲人的财务业绩和令人炫目的新科技,或许已足以让这位钢铁般坚定的苹果首席执行官赢得英国《金融时报》2014年年度人物(Person of the Year)的称号。但库克阐述自己价值观的勇气,同样让他与众不同。
in进入,stitute站,建立-站进去;进入建立的状态-创立
Ranking third on our Top-Grossing list is Steve Carell. Despicable Me 2 was a huge hit this year, bringing in $919 million at the box office. Overall, the franchise has earned $1.4 billion at the box office worldwide and a third movie, Minions, is on the way. Carell also appeared this year in the small indie The Way Way Back and The Incredible Burt Wonderstone. The latter failed to earn back its production budget at the box office but we’re only looking at ticket sales here — the film put another $22.5 million in Carell’s column for 2013.
a
Seven schools made it back into the top 100 after having missed out in the past year or two.
单词charity 联想记忆:

8. Smile every time EXCEPT when my team is losing.
Porto is nearly synonymous to port wine, and also its rich history. The city's historic center and the Alto Douro Wine Region have been listed as UNESCO World Heritage Sites.
大力改造提升传统产业。
吊床架
May your New Year be filled with special moment, warmth, peace and happiness, the joy of covered ones near, and wishing you all the joys of Christmas and a year of happiness.愿你的新年充满温馨,祥和,与亲人团聚的快乐,祝乐陶陶,新年乐无限。
United States emissions had been declining because of increased burning of natural gas in power generation, which emits less carbon dioxide for each unit of energy than does coal. But the nation reported an increase in 2013 as coal regained some market share. If that trend continues, it could prove to be a challenge for the Obama administration as it seeks to institute tighter policies on greenhouse gases.

解析90后的家居需求 住宅以小户型为主

查斯特·班宁顿
与此同时,大学毕业生选择继续深造的意向也降低了,这让今年选择就业的人数比例达到了75.6%,而去年这一数据为71.2%。
Anxiety has been fanned by the build-up of corporate debt in emerging markets, which doubled between 2008 and 2014 and has been one of the fastest growing areas of the global bond market.
因为吉吉·哈迪德和凯蒂·派瑞等多位模特和表演者在申请签证时遇到了一系列问题,维密秀的主办方正试图使一切回到正轨,如今主办方又表示,中国政府还拦截了他们的邮件。
同比来看,65个城市的房价同比上涨,5个城市房价同比下跌,
Emma Thompson, a two-time winner for Howards End and Sense and Sensibility, famously keeps hers in the loo: “They look far too outré anywhere else. They’re great big, gold, shiny things.” She’s not alone – Susan Sarandon, Lionel Richie and Sean Connery all claim to keep their golden fellas alongside their bidets and baths.
This raises the risk of heavy rains and flooding, scientists pointed out, because warmer temperatures would lead to more water vapour in the world’s atmosphere.
For over two decades I have been writing about the rise of Asia and the dynamic driving it. There is an extraordinary consensus among east Asian leaders that Asia needs to use this window of opportunity to focus on economic development and growth. War is the biggest obstacle to development. If Asians were truly stupid, they would engage in such wars and derail their enormous development promise. Most Asian leaders, barring North Korea, understand well the dangers of war. Hence, while there will be tensions and rivalries in the region, there will be no wars in the region, in 2014 or in 2015. As 2015 unfolds, I would like to encourage all western pundits to understand the underlying Asian dynamic on its own terms, and not on the basis of western preconceptions.
According to the country's film regulator, China's box office sales have boosted a whopping 48.7 percent in the last year alone.
He was responsible for monitoring how many cupcake aficionados were allowed in the store at one time. Of course Magnolia Bakery isn't exactly complaining. The store proudly displays memorabilia from the show on the walls of their many locations. Today, Magnolia Bakery is known for their banana pudding, but they will always owe their initial success to Carrie Bradshaw and a red velvet cupcake.
Sliced into eight pieces, the pizza works out to $250 per slice, meaning it costs roughly $50 per bite.
在“有工作经验要求”项目排行榜上,伦敦商学院的学生在毕业3年后平均薪资最高,为13万美元左右,目标实现率也最高(87%)。该项目还在就业成功率以及国际课程经验方面拔得头筹。该学院学生在国际流动性和职业进展方面排名第二。
An otherworldly romance between a mysterious aquatic creature and a mute girl, played by Sally Hawkins.
Or maybe you've become bolder in arguing against decisions you disagree with, Foss says. "Any variation to what's expected of you or from you could raise an eyebrow," she adds。
The London school’s MBA is ranked first in Europe, its EMBA programme, delivered jointly with Columbia Business School in the US, is ranked third and its MiM programme is in the top 10 on its first participation. The MiM ranking was the last missing piece for LBS to come first in Europe.

“We sell cars+ , if you don’t give us cars, naturally we won’t be able to go on, we’ll close,” Wang said in an interview, estimating import dealers are losing between 3 million and 10 million yuan a year each. The group seeking compensation represents 30 of the roughly 40 remaining imported Hyundai dealers in the country.
n. 计算
The upshot: The world's largest economy can still function as an oasis in a desert despite the claims of doomsayers that those days are over.
Accepting the award, he enthused: 'First off, I want to start off by saying that I'm not really sure how I got this because I've had my album out a few years, but I've got one coming,' before thanking his fans and MTV. Elsewhere, Kendrick Lamar was presented with Best Video, though the rapper was unable to attend the event, instead thanking fans via a video link.
《出租车司机》被誉为历史上最伟大的电影之一,讲述了一名沮丧的前海军陆战队员,在被爱慕的女子拒绝后,试图暗杀参议员的故事。名义上的出租车司机崔维斯·拜寇,生活混乱,充斥着毒贩和妓女,但他的故事从来不是不现实的幻想。相反,它揭示了一个人差点成为成为枪手的真实预警。
No. This is possible, of course, but with luck, Mrs May has at least now ensured that the UK is not going to tumble over a “no deal” cliff in 2019. In December 2017, Consensus Forecasts’ prediction for the UK was of 1.5 per cent growth in 2018. Its forecasts for Japan and Italy were even lower, at 1.3 per cent. So the chances that the UK will have the slowest-growing economy in the G7 next year should be around one in four.
但是又一次,科比仍然表示自己很健康,自己的投篮很好,之后就将话题转向了关于他的队友和球队赛程上面。
人社部发言人李忠表示,2016年第一季度。我国的就业形势总体保持稳定。不过他补充说道,经济下滑和结构改革,使就业更困难。

About this series

Since 2001, I’ve helped direct an annual 强筋骨,寻突破——工信部部长苗圩谈如何解好中国制造大课题 recognizing top social entrepreneurs: those who develop effective, original approaches to dealing with social problems and who rely mainly on private funding and volunteers to see their ideas to fruition. They are leaders of America’s civil society, doing the things that government can’t do—or can’t do as well.

By 2020, annual box office sales are expected to reach 100 billion yuan, according to industry estimates.
As a brand, Acura sold 167,843 cars and trucks last year, a 1.5% increase. Lexus, Toyota’s premium brand, was up 13.7%; BMW was up 9.8%, Audi was up 15.2% and Mercedes-Benz was up 6.5% in a U.S. market that was very favorable for luxury vehicle manufacturers.
Talented getaway driver Baby (Ansel Elgort) relies on the beat of his personal soundtrack to be the best in the game. After meeting the woman (Lily James) of his dreams, he sees a chance to ditch his shady lifestyle and make a clean break. Coerced into working for a crime boss (Kevin Spacey), Baby must face the music as a doomed heist threatens his life, love and freedom.
This was the biggest monthly drop in imports since last September and also means shipments have contracted year-on-year for the past 15 months straight.
2.Yeah, I’ll start working on that ASAP! – Because telling you I have 10 things to do first would just irritate you。
每个伟大的侦探都需要专属于自己的经典故事。对于福尔摩斯而言,这个故事是《巴斯克维尔的猎犬》。对于阿加莎?克里斯蒂笔下龟毛的比利时侦探赫克尔?波洛而言,这个故事是《东方快车谋杀案》——故事讲述了一个嗜血的恶棍在驶向巴尔干半岛的列车上杀死了一个有钱的商人。真相果真是如此吗?西德尼?吕美特曾在1974年将该故事拍成了一部备受喜爱的电影,强大的演员阵容包括肖恩?康纳利、英格丽?褒曼和阿尔伯特?芬尼(饰演侦探波洛)。如今肯尼思?布拉纳自己戴上了侦探波洛的大胡子,披挂上阵,同时又担当幕后导演。这部新版电影的演员有约翰尼?德普、黛西?雷德利、米歇尔?菲佛、佩内洛佩?克鲁斯和朱迪?丹奇。这个故事还能挖掘出什么新内容呢?也许会有。不过,即使没有,阿婆的粉丝也肯定会去看。这部电影将于11月3日在英国上映,11月10日在美国、中国和土耳其上映,11月30日在中国香港和新加坡上映。(资料来源:二十世纪福克斯电影公司)
大学生创业的常见领域包括餐饮、农业、信息技术、运输、教育、文化。报告称,13.8%的创业者对住宿、餐饮业感兴趣,13.7%的创业者选择农业。
“在ETF壮大的地区(美国和欧洲),有一个庞大的理财顾问生态系统,”他表示,“你需要一个更加依靠顾问的模式。但在你看到人们为建议付费(而不是支付佣金)之前,很难设想它何时起飞。”
n. 购买,购买的物品
6. Miranda Kerr
我很高兴看到制造业的工作机会又重回美国市场,但我不认为它会像很多人期望的那样,产生原电池效应拯救经济。为什么?因为制造业中的很多工作机会都被机械化的自动生产取代了。蓝领阶层和基础职位的消失已经成了一个问题,而这个问题还将继续扩大。
喜剧类最佳女演员: 茱莉亚?路易斯-德瑞弗斯(Julia Louis-Dreyfus),《副总统》(Veep)
mort=death死+ality性质→死亡(率)
《小谎大事》
Paul was a pretty undersized guard back in high school, which is probably why he's developed such a "me against the world" mentality. CP3 is one of the grittiest and toughest players in the NBA, and he has to be because he sure isn't one of the biggest.

Since you will be spending so much time in your office space, you should be comfortable enough to enjoy what you do. A comfy chair will keep you pleased throughout the day. We recommend the Allak Swivel Chair, $59.99, at Ikea.com. If you need music to keep your mind stirring, we recommend the Sound System iPod Speaker, $220, at UrbanOutfiters.com.
达奇斯说:捷蓝航空在2012年初遇到过很多困难(一名飞行员在飞行途中突然精神崩溃,这让公司这一年的开头极为艰难),但是在繁忙的假日旅行期间,顾客的满意和优秀的社交服务把这个品牌带入了成功的行列。
n. 奇思妙想,一段楼
QK%.jd&KnAkQ
专家警告说,在普通词汇中添加数字或符号根本没用。斯莱恩说:“黑客们都知道你的小伎俩,对容易破解的密码稍作调整不会更安全。”
但是受访者也指出,社交媒体使得他们读的书更少了、视力受到影响、睡眠更少、隐私遭到泄露以及其他一些问题。
Obama's victory in the hotly contested swing state of Ohio - as projected by TV networks - put him over the top in the fight for the 270 electoral votes needed to clinch the White House and ended Romney's hopes of pulling off a string of swing-state upsets。
“When I look at the data, I keep coming back to this issue that it’s really about identity politics,” said Elisabeth Ivarsflaten, a professor at Norway’s University of Bergen who studies Europe’s far-right parties. “This is the most powerful predictor of support for the populists.”
Not until recently anyway. But scientists at Weill Cornell Medical College have at last managed to—at least with mice and monkeys. This produced artificial retinas, whose chips convert images into electronic signals and whose tiny projectors convert electronic signals into light.

n. 美德,德行,优点,贞操
去年,伊斯兰国激进分子在土耳其驻摩苏尔领事馆扣押了49名土耳其人质,三个多月后才释放他们。人质中包括外交官、军人和儿童。

该书反映了部分群体越来越担忧自动化可能对就业——从制造业到专业服务领域的就业——产生的负面影响。该书英国版的副标题警告了“大规模失业的威胁”,美国版的副标题则预言了“一个失业的未来”。
"The longer people sit out of the job market, the harder it's going to be for them to re-enter," Frederickson says.
谈到他想让他们的关系“正式化”的愿望,拉格菲尔德曾表示:“目前还没有人类和动物结婚的……我从未想过我会像这样爱上一只猫咪。
Mr Na said that although South Korea had signed a trade agreement with China, there were plenty of other ways in which Beijing could punish Seoul.
n. 免疫,免疫性,免除
Bangkok's 2014-15 fall from the top was largely put down to political instability in recent years.
豆瓣网友“Amy”称:“他们是神仙。除了谈情说爱,就不能干点别的吗?”
The Gwen Stefani campaign ran on several apps, including Tango, the Silicon Valley-based messaging app. Tango earns money on ads within a user’s inbox, but it has adopted Swyft’s platform because the ads are in line with the way people already use Tango, says Richard Rabbat, vice president of Advertising and Platform at Tango. A year ago, Tango decided not to sell stickers, because asking users for money creates too much friction, he says. “Putting a payment gate in the way of communication is not the right experience we want to give to our users,” Rabbat says. Ergo, ad campaigns from Swyft.
4.A Sex Video
“A worker sent a text to a colleague saying he was quitting and asked her to forward it to management.”
We will strengthen our capability for making technological innovations.
纽约人向专栏提出的问题,不仅取决于他们的个人情况,还取决于当今的重大问题,比如住房成本上升、士绅化、豆腐渣工程。最终,2014年成为了一个一切都在增长的年份,增长的包括房价、租金,以及最重要的——楼盘数量。根据纽约房地产委员会(Real Estate Board of New York)的数据,10月批准建设的单元达到了16700套。
No students or teachers drank the poisoned water, the report said.
2016全球大学国际化水平排名是由《泰晤士报》高等教育从28个国家的200所大学选出的。它采用了几项指标来衡量,比如国际员工的比例,国际学生的数量,每个学院至少有一个不同国家的作者合著的研究论文出版等。
China’s bid to close its own Asia-Pac deal
时间长度:21个月
You're networking – yes! But you're networking so thoroughly within your industry that word gets back to your boss. "The world is small," says Andrea Kay, career consultant and author of "This Is How To Get Your Next Job," so this kind of thing does happen. When sharing your résumé and other job-search materials with new and old professional contacts, explicitly state that your hunt is confidential, Foss says。
ICBC’s earnings per share were Rmb0.77, down from Rmb0.78 last year, and a pre-tax dividend per share was Rmb0.2333, down from Rmb0.2554.
这间增加的厨房大约40英尺长(约12米),风格与原建筑保持一致,内有复杂的天花板木制结构和几处由世纪工作室(Century Studios)设计的彩色玻璃板,该工作室是明尼阿波利斯市的一家公司,其玻璃确保来自弗兰克·劳埃德·赖特(Frank Lloyd Wright)曾指定的那家芝加哥制造商。厨房里的不锈钢电器包括一台五英尺宽(约1.5米)的炉灶和一台Sub-zero的冰箱。餐厅区经由10英尺高(约3米)的玻璃门通往屋后的一处露台。
如果此时打断老师讲课不太合适,你可以快速记下自己的问题,以免忘记,之后再问老师。
The PR industry excelled itself with increasingly fancy descriptions for the basic activities of emailing, talking and meeting. Entrants included: “I want to jump on your radar” (a bad idea, as if you jump on radars they break) and “let’s find a time to connect to mutually update”. My favourite came from a PR man named Michael who wrote: “I hope you don’t mind the outreach.” Alas, I do mind. To reach out has always been hateful, but making it a noun, and reversing the word order, does not help. Michael, you’ve won the Communications cup.
[r?b]
最佳电视电影:《神探夏洛克:可恶的新娘》(Sherlock: The Abominable Bride [Masterpiece], PBS)
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The Kings also still owe a future first (unprotected in 2019 at worst) to Philly for the honor of being able to sign Rajon Rondo, Kosta Koufos, and Marco Belinelli. Talk about a team with no damn plan.
AMC频道的《广告狂人》(Mad Men)也是如此。该剧演到了第七季,剧中人物和20世纪60年代的背景似乎已被挖掘干净,不过它仍在让观众猜测结局,结局要到明年才播出。《黑道家族》(The Sopranos)结局模糊。《绝命毒师》(Breaking Bad)以沃尔特·怀特(Walter White)死去告终。现在,隐约显现的下一个电视谜题是唐·德雷珀(Don Draper)的最后时刻——究竟是死去还是活着。
不过巴蒂表示,中国大学排名的稳定并不值得担忧。他说:“数十年的持续投资建设以及中国高等教育国际化程度的提高,无疑将使得中国的大学变得越来越好。”