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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

莱蒂齐娅·巴塔利亚按时间顺序为当地一家报纸记录了七八十年代巴勒莫的黑手党战争。如今,她的照片被一些博物馆和回顾展收录。
或许你在与你不赞同的决定的争论中表现得更加勇敢,福斯说“任何偏离你常有表现或者你一笑而过的态度的行为,”她说到。
1.哥吃的不是面,是寂寞。
中美两国人民都是伟大的人民,我们有智慧来管控分歧,我们有需要也有条件来扩大共同利益。
因此,有如此强大的南美洲队伍坐镇,主要的挑战力量将来自何方呢?嗯,来自欧洲的强势力量恐怕便是最显而易见的答案了,你还能去哪里寻找一个比西班牙更有冠军相的球队呢?作为一支卫冕冠军,并坐拥两届欧锦赛的冠军头号,这是一支不仅知道如何出色发挥,同时知晓如何赢得比赛的队伍。因此,虽然梅西和罗纳尔多曾获得所有年度最佳球员的头衔,但是哈维(Xavi)和伊涅斯塔(Iniesta)却将所有主要冠军据为己有。那么,他们在2014年将延续冠军生涯么?对于这个困扰世界上其他国家的问题,答案是肯定的。不仅大多数老将依然坚守岗位,许多包括科克(Koke )和蒂亚戈·阿尔坎塔拉(Thiago Alcantara)等有才华的年轻球员也加入了。不仅仅如此,他们还从东道主的眼皮下挖走了一个才华横溢的射手蒂亚戈·科斯塔(Diego Costa)收入囊中,因为这位马德里竞技(Atletico Madrid)的前锋选择为西班牙效力,而非自己出生国家踢球。
读:炸-震动

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.

With U.S. e-commerce activity approaching 10% of all retail sales, more merchants are shopping around for easy-to-use platforms that get them selling online quickly.
Neshama Spielman, from Jerusalem, found the artifact four years ago at a dig organized by the City of David and the Temple Mount Sifting Project, which works to examine tons of dirt removed without archaeological supervision from the Temple Mount by the Muslim Waqf. Details of the find and its identification, however, have only now been revealed. Spielman, who is aged 12, was just 8 when she made the find.
?There's generally booze wherever 007 goes and alcohol does lead to sex. Liking alcohol was the biggest indicator of who has sex on the first date.
Musical theatre actors, Callabro united to become a truly talented vocal group who have gone from strength to strength.
“The auction market is extremely selective,” said Henry Pettifer, the head of old master paintings at Christie’s, whose sale total had been dented by a 15th-century Flemish Madonna and child by Hans Memling that the auction house had sold privately for more than 3.5 million and had withdrawn from the sale. “The availability of fresh material is limited,” he added, alluding to how few museum-quality works are in private hands.
[grɑ:nt]
According to the Hurun Report’s annual China Rich List, Yao Zhenhua’s net worth surged more than nine times to $17.2bn last year, making him the country’s fourth richest person. Last year he was ranked 204th.

该项目的规模较小,为50人左右,这不仅令该学院得以遴选非常有经验的学员,还使得学员之间非常亲近。
create增长,产生+ive →有创造性的
这台叫做IP-BOX的设备可以破解运行iOS 7或者更老版本的iPhone,通常它需要6秒到17小时来破解iPhone的四位锁屏密码。英国《每日邮报》购买了这台设备,并在6小时内破解了苹果iPhone 5c的锁屏密码。该密码破解设备运行在iOS 9系统上的版本将会在本月晚些时候出现。
a
The value of goods that crossed international borders last year fell 13.8 per cent in dollar terms — the first contraction since 2009 — according to the Netherlands Bureau of Economic Policy Analysis’s World Trade Monitor. Much of the slump was due to a slowdown in China and other emerging economies.
据BT下载网站TorrentFreak数据显示,《权力的游戏》每集平均下载人数有590万。这个数字还不包括在线视频和cyberlocker的下载方式,如果算上这种方式,数据将会更高。而《权力的游戏》每一集的平均收视人数才550万。
设在日内瓦的国际移民组织星期二公布的数字显示,一百万零五千五百零四名非洲和中东的流动人口,以非常规方式通过陆路和海路进入欧洲大陆,这个数字是2014年的四倍。
jar
Against: It might be that bit too far from the mainstream to make a huge awards impact.
In a humiliating 111-77 loss to the Golden State Warriors at Oracle Arena, Bryant shot 1-of-14 from the field, including 1-of-7 from 3-point range, and scored four points. He also shot 1-of-14 in a loss last season to the San Antonio Spurs.
有人会认为卡莉·西蒙演唱的《海底城》的主题曲最好听。他们可能有自己的理由,可能是因为这是"邦德电影中最好听的歌曲"。曲调欢快、充满吸引力、浪漫抒情,卡莉西蒙的演唱打动人心。但是这些对詹姆斯·邦德、他的冒险旅程、他的来历甚至他的电影没有任何特殊引导作用。尽管《没人做得更好》被认为是一首好歌,但是由于上述原因它并没能进入榜单前五名。
stressful
指尖陀螺
Meditate any time, but 15 minutes before you study, 15 minutes before class, 15 minutes before a test, and you'll be amazed at how well you can perform as a student.
calend一天+ar表名词,“人,物”→日历
价格:197.5万美元(约合人民币1226万元)
8.A New iPhone
今年年初,所有华尔街经济学家都呼吁提高利率,彭博社就这个问题调查了67位经济学家的意见,他们全票赞同,有鉴于此,任何一个有理性的人都不会想要增持对利率敏感的公用事业股。把赌注押在金融股上的投资者,回报进展缓慢;而瞅准了“低价”能源股的投资者,投资组合业绩在第一和第二季度曾因此推高,却在第三和第四季度被大拖后腿,可谓“成也萧何,败也萧何”。
The sharp decline in unemployment will start to seem real

几年前,有人发明了一辆会飞的自行车,叫做"Paravelo"。称一辆自行车会飞,并不是开玩笑,而是这辆自行车真的会飞(车头有一个巨大的降落伞)。它在陆地和空中的时速分别为25千米(15英里)和40千米(25英里),可飞至1200米(4000英尺)高空。最棒的地方是什么呢?那就是你不需要有飞行驾照。Paravelo号称世界上第一辆会飞的自行车,但我们必须指出它并不是第一辆会飞的自行车。
颁奖典礼一开始,两位主持人妙语连珠,引来场下观众阵阵喝彩。马特?戴蒙、梅丽尔?斯特里普(Meryl Streep)和乔治克?鲁尼都自然而然地成为了调侃的对象。蒂娜?费对桑德拉?布洛克(Sandra Bullock)和克鲁尼参演《地心引力》的点评引发场下一阵爆笑。
人们大多认为,中国的智能手机只会越来越便宜。与此相反,她援引一些研究结果,表明去年中国智能手机的平均售价趋于稳定。同时随着中国用户开始购买品质更好的智能手机,售价实际上已开始走高。
Losing my future is not like losing an election or a few points on the stock market. I am here to speak for all generations to come. 失去未来不像落选选举或者股市浮动那么简单,我来到这里是为了将来所有的世代而演讲。
在NBA,很少人能防得住罗斯。那么,你可以想象,在罗斯的高中年代,有着和现在一样的NBA身板,要防住他更是天方夜谭。
['t?ɑ:t?]

定制家居进入“快车道” 但已不是谁都能上车

银行家们表示,音乐流媒体服务Spotify计划最早第四季度在纽约证券交易所(NYSE)直接上市其现有的非公开发行股票,而不走正式的IPO程序,而其他大型知名科技公司则被视为更有可能在2018年上市。
在线项目比全日制课程更吸引作为高级专业人士的学员。在线MBA学员的平均年龄为34岁,而全日制MBA学员为28岁。此外,在线学员更有可能在课程结束后寻求在现有雇主那里获得升职。全日制MBA毕业生(90%)在毕业3年后多数都跳槽了,但只有约55%的在线毕业生会这样做。
As per their findings, the recovery mechanism based on reset SMS codes recorded a success rate of 81%, while the method relying on backup emails proved to be efficient in 75% of the cases.
There were also shows that didn’t live up to early expectations but still had traction, most notably “The Affair,” on Showtime, which began as a Hamptons film noir and instead turned into a French art film. The crime may not be commensurate with the series’s punishingly slow pace and “Rashomon"-like storytelling, but the series picked up momentum — and suspense — in the final episodes.
“如果听到苹果CEO是同性恋,能帮助一些人努力直面自我,或者给一些感到孤独的人带来慰藉,或者激励人们坚持自己的平等权利,那么这值得我用个人隐私来交换,”他在为《彭博商业周刊》(Bloomberg Businessweek)的10月号撰文时写道。
英国剑桥大学(University of Cambridge)佳奇商学院(Judge Business School)的排名上升5个位次,至第5位。这不仅是该学院首次跻身前5名,而且还是伦敦商学院在这个榜单上首次失去英国最佳商学院这个头衔。
Cliff Stevenson, an anti-dumping expert who publishes the report based on data filed with the WTO, said the surge in US cases was driven largely by the steel industry. The increase also represented the range of countries from China to Australia, the UK and the Netherlands against which US companies were willing to file anti-dumping complaints.
该报告还指出,那些在经济衰退期间不得已裁减支持型岗位的公司,也会“补充新人,以帮助各部门提高效率,提升生产力水平。”对于求职者而言,这一趋势无疑预示着一个美好的新年。
Mr Cook has added three women to what was previously a white-male-dominated executive team and changed Apple’s board charter to commit to seeking out candidates from minorities when appointing directors.
A lone European telephone bidder paid a top price of 9.1 million for a smaller 1825 version of John Constable’s admired but difficult-to-love 1824 vertical landscape, “The Lock,” that had been in the same British family since 1855.
Below are 10 clues you left that basically scream: "I am job searching!"
由于最新一部007系列小说给詹姆斯·邦德(James Bond)进行了政治正确的大改造,能言善道、烟不离口、大男子主义的邦德形象可能将成为过去式。
Repurchasing shares helps boost stock prices and many analysts credit the boom in stock repurchases for pushing the Standard & Poor's 500 index to record highs.
《华胥引》
获奖者:金·卡戴珊

他说:“国内需求增长太慢,而新增出口订单的增幅又放缓至5个月内的低点……我们依然预计(中国政府)会推出进一步货币和财政宽松举措,以抵消经济增长的下行风险。”
大银行已经或多或少地放弃了用高薪留住人才的尝试。自金融危机以来,有一件事很清楚:如果你想暴富,就得去硅谷。露丝波拉特(Ruth Porat)在2015年树立了一个标杆,她放弃了摩根士丹利(Morgan Stanley)首席财务官约1300万美元的年薪,跳槽谷歌(如今的Alphabet)获得五倍于此的薪酬。
TAXES: Approximately $16,866 in 2014
Neumann, Silbermann and Sharp are three of 66 billionaires under 40 years old, a record for the Forbes list.
But the demagogue’s exploitation of such grievances threatens democracy.
adj. 令人厌烦的
时间:2010-05-31 编辑:francie
单词manifesto 联想记忆:

About this series

Since 2001, I’ve helped direct an annual 中国新富2/3资产用来买房 相信“政府定会救市” 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.

Tomorrow Never Dies gets the other honorable mention on our James Bond theme song list.
Singer Susan Boyle came undone -- literally, when her trousers popped open at a soccer match as she waved a Celtic fan above her head in Scotland. The "Britain
President Donald Trump is the nation's first billionaire president -- but he's not as rich as he used to be, according to the Forbes 2017 Billionaires List published last Monday.
vt. 打斗
总的来说:世界最大经济体任然可以入常运转就如同沙漠中的绿洲就算有末世预言宣称那样的日子已经远去了。
在新浪微博(类似Twitter的一个中国社交平台)的一个投票中, 58.5%的网友“喜欢”水墨画猴子形象,14.4%的人喜欢3D版的正面图,而12.5%的人想“为其换装”,这意味着他们并不喜欢这个颜色。
Celebrities throughout Hollywood have been doing just that over the last few weeks, especially when it comes to picking up some pumpkins at the local pumpkin patch.
As for China, lack or stopped development represents the biggest risk for this country. So it is essential that we maintain steady medium-high growth of our economy and that in itself is China’s contribution to global stability.
中欧之间存在贸易摩擦,我们有经验去妥善解决。
他说:“我认为在这个过程中让年轻人参与的最佳方式就是赢得比赛。”
7.《风流医生俏护士》主演未与剧组签合同
Chinese Premier Li Keqiang delivers a government work report during the opening meeting of the fourth session of the 12th National People's Congress at the Great Hall of the People in Beijing, capital of China, Mar 5, 2016.
拉杜卡(Rocco LaDuca)是纽约州尤蒂卡市(Utica)《观察家快报》(Observer-Dispatch)报道犯罪和法院新闻的记者。他说,之所以选择做记者,一定程度上是源于他和祖母读报的美好记忆。
Mary J. Blige, Miguel, Gael García Bernal, Andra Day, Natalia LaFourcade, Keala Settle, Sufjan Stevens and Common will perform their original songs at the Dolby Theatre in Hollywood on March 4, when the motion picture academy kicks of its 90th Oscars ceremony.
n. 宪章,特许,(船、机、车等的)租赁

杜阿·里帕《杜阿·里帕》
More than 27,000 vacancies are offered by over 120 central departments and their affiliated public institutions in the 2017 civil servant recruitment drive. The number of vacancies is about the same as 2016.
Two-thirds of this year’s deals are trading above their issue price. On average, 2017’s class of US IPOs have risen in value by about double the S&P 500, at 20 per cent, according to Renaissance Capital, which runs IPO-focused exchange traded funds.
This year they looked at the use of negative strategies such as anger or stonewalling responses to conflict, and found that these predicted health-related changes over time in specific ways.
"Pandas used to be really difficult to breed in captivity, but the Chengdu base and other zoos around the world have cracked the problem and now there are around 400 in captivity," Mr Marven said.
surrogate
Sixty Vocab:
周五,现代和爱茉莉太平洋的股价出现下跌,在首尔下午晚些时候的交易中分别下跌4.4%和12.5%。
Summly发布后,达洛伊西奥获得了苹果(Apple)的称赞,该应用跻身2012年最佳iPhone应用之列。交易完成后,Summly昨天被撤下App Store,此时它的下载量已达近100万次。

而90后微信用户数量则略有下降,从94.1%跌到了86.6%。
Release date: Spring 2015

Among the 18 sectors categorized by the China Securities Regulatory Commission, financial executives ranked the highest with annual pay of 27.36 million yuan, followed by real estate executives at 11.18 million yuan.
6. “Taxi”(Jafar Panahi)
冲击奖项:自从在特莱瑞德电影节首映以来,奥德曼一直就是最佳男主角奖项的宠儿。
美国
Friends count too
福特是硅谷一家软件开发公司的创始人,他认为“或许需要从根本上重建我们的经济规则”,以减轻机器人和自动化的进步带来的冲击。他提出建立保底的基本收入,即“公民红利”,作为一项根本性的补救措施。
迅速崛起的“色情短信”服务商Snapchat与早期的社交媒体巨头Facebook具有令人不可思议的相似性。我们现在都知道扎克伯格早早就投下的赌注获得了多大的成功(更不必说他还彻底击败了卑劣的文克莱沃斯孪生兄弟)。那么,Snapchat能否拥有同样光明的未来?
But in year-on-year terms Xiamen prices grew at the second-fastest rate of 43.9 per cent, outdone only by Hefei, capital of Anhui province, which grew 47.6 per cent. Annualised prices once again rose in 65 cities and fell in five, suggesting that while the cost of housing may not be escalating as quickly as before, it remains widespread and relatively resilient.
这套邮票价格如此之高的原因是因为这是中华人民共和国1949年建国以来,第一次中国邮政发行的生肖邮票。
vi. 打结
单词refrigerator 联想记忆:
The so-called IP-BOX will work on iPhones running iOS 7 and older. It takes 6 seconds to 17 hours hours to crack the four-digit passcode. The Daily Mail purchased the device and cracked the code on an Apple iPhone 5c in 6 hours. A version that will work on iPhones running iOS 9 will be available later this month.
打造众创、众包、众扶、众筹平台
目前,大部分围绕比特币的活动都是货币性的,因此,批评者指向其波动性也合乎情理。blockchain.info网站上的市场价格走势图显示,尽管以美元衡量的比特币价值在过去一年缩水了67%,其价值在过去两年则飙升了1879%。因此,投资比特币是好是坏,取决于你的视角。
单词muscular 联想记忆:
《暮光之城》众星前照令人大跌眼镜
项目长度:13至15个月
In an interview with Yicai magazine last week, the chairman of China Construction Bank pointed to the rising tide of non-performing loans as the biggest problem confronting China’s banks.
[?'pi?r?ns]
succumb
Will Smith had a very successful career in the late 80s and early 90s as the second half of rap duo DJ Jazzy Jeff and the Fresh Prince. But in spite of his financial success, Smith did not manage his money well. It's a pretty classic tale, really. New fame, lots of money, no future plans, and lots of fancy toys added up to a lot of overspending. This lack of oversight and fiscal irresponsibility landed him on the brink of bankruptcy. He owed the government back taxes that he had not paid.
16. Most Ignored Truism “There’s a myth in the business that young males drive the box office,” Tom Rothman, the chairman of Sony Pictures Entertainment’s motion picture group, told The Hollywood Reporter in November. In this same interview, Alan F. Horn, the chairman of the Walt Disney Studios, tried to make it simple: “There are variables that do affect what one pays any performer. Angelina Jolie, for example, got a lot more money for ‘Maleficent’ than Daisy Ridley did for ‘Star Wars,’ but they’re both women.” (Gee, thanks, Alan!)
该项目在毕业3年后的职业晋升方面排名第二。Tiemba项目的毕业生数量迄今只有约250人,使他们成为一个精英团体。
Beijing ranked No 3 on the list of top 10 most congested cites in China, following Jinan and Harbin, according to a report by China Academy of Transportation Sciences.
vt. (烹饪时把鱼
corpor躯体,al-法人的
“Total new business increased at a modest pace that was little-changed from October. However, November data indicated that foreign demand continued to soften, with the latest expansion of new export business the slowest since June. ”