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数学英语 23 What are the Range and Standard Deviation?

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(132) / 评论(0)

数学英语

THIS IS AMERICA - Health Care in the United States

THIS IS AMERICA - Health Care in the United States By Jerilyn Watson Broadcast: Monday, January 19, 2004 (THEME) Graphic Image VOICE ONE: In recent years, health care spending in the United States has

发表于:2018-12-07 / 阅读(129) / 评论(0)

This is America

More Male Teachers Wanted in the United States

by Jerilyn Watson Broadcast: August 28, 2003 This is Steve Ember with the VOA Special English Education Report. The National Education Association says the United States needs more male teachers. The

发表于:2019-01-02 / 阅读(122) / 评论(0)

VOA2003（下）-教育与新闻

United States and European Union,

By Jela De Franceschi Many Europeans see President Bush's re-election not only as validation of a unilateralist national security strategy by fellow Americans, but also as repudiation of certain ideal

发表于:2019-01-03 / 阅读(109) / 评论(0)

VOA2004（下）--时事新闻

清新英文歌曲:Jason Aldean - Fly Over States

Jason Aldean，美国乡村男歌手，这首Fly Over States是他2010年11月发行的新专辑My Kinda Party中的歌曲 Couple guys in first class on a flight from New York to Los Angeles Kinda making small talk, killin time, flirtin with the flig

发表于:2019-01-03 / 阅读(163) / 评论(0)

夏日清新英文歌曲

VOA标准英语2011--Sitting in Two States at Once

Sitting in Two States at Once Is it possible to be in two places at once? It certainly is if youre in the southwest city of Texarkana, which straddles the border between Texas and Arkansas. In almost every regard, Texarkana is one community. But its

发表于:2019-01-05 / 阅读(78) / 评论(0)

VOA标准英语2011年(九月)

SSS 2011-10-05

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(173) / 评论(0)

Scientific American(十)月

THIS IS AMERICA - Songs About American States

THIS IS AMERICA - Songs About American States By Shelley Gollust Broadcast: Monday, September 13, 2004 (MUSIC) VOICE ONE: Almost every state in America has an official song. However, songwriters have

发表于:2019-01-11 / 阅读(136) / 评论(0)

This is America

THIS IS AMERICA - Travels Through Seven States

THIS IS AMERICA - Travels Through Seven States By Broadcast: Monday, June 28, 2004 (MUSIC) VOICE ONE: Welcome to THIS IS AMERICA, in VOA Special English. I'm Gwen Outen. VOICE TWO: And I'm Bob Doughty

发表于:2019-01-11 / 阅读(195) / 评论(0)

This is America

Future Payments for Retirees Are Big Issue Now for US States

This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 State and local governments across the United States are facing big budget deficits. Many of these shortfalls include promises of future retirement pay

发表于:2019-01-12 / 阅读(134) / 评论(0)

2011年VOA慢速英语(三)月

VOA慢速英语--Medical Marijuana Is Now Legal in Most US States

AS IT IS 2016-11-17 Medical Marijuana Is Now Legal in Most US States On Election Day in the United States, Arkansas voted to permit the medical use of marijuana. Twenty-seven other states legalized medical marijuana earlier. Eight states now permit i

发表于:2019-01-12 / 阅读(99) / 评论(0)

2016年VOA慢速英语(十一)月

VOA标准英语2011--Some States Like it HOT

Some States Like it HOT Many air travelers in the United States gladly pay extra - sometimes a lot extra - to ride in first class rather than coach. Up front, they enjoy roomier seats, faster boarding, and free drinks. And now the pay-to-be-pampered

发表于:2019-01-13 / 阅读(86) / 评论(0)

VOA标准英语2011年(九月)

美国国家公共电台 NPR How States Are Banding Together To Take On Trump

KELLY MCEVERS, HOST: There are several federal investigations into Russian meddling in last year's election, but states are playing a role, too. New York, for one, could become a powerful adversary of the Trump administration if the president tries t

发表于:2019-01-16 / 阅读(85) / 评论(0)

2017年NPR美国国家公共电台9月

THIS IS AMERICA - Dictionaries in the United States

THIS IS AMERICA - Dictionaries in the United States By Jarilyn Watson Broadcast: Monday, March 08, 2004 (THEME) VOICE ONE: Welcome to THIS IS AMERICA, in VOA Special English. I'm Steve Ember. VOICE TW

发表于:2019-01-30 / 阅读(203) / 评论(0)

This is America

ECONOMICS REPORT - U.S. States and Gambling

ECONOMICS REPORT - U.S. States and Gambling By Mario Ritter Broadcast: Friday, July 16, 2004 This is Bob Doughty with the VOA Special English Economics Report. Graphic Image Some form of gambling is l

发表于:2019-01-30 / 阅读(123) / 评论(0)

健康与经济

US Presidential Candidates Visit Key States on Election Eve

U.S. President Barack Obama and Republican challenger Mitt Romney are making last-minute appeals to voters in key battleground states on the eve of Tuesdays presidential election. Both President Obama and Mr. Romney campaigned in states they need to

发表于:2019-02-08 / 阅读(87) / 评论(0)

英语新闻

Obama, Romney Campaign in Swing States After Final Debate

Obama, Romney Campaign in Swing States After Final Debate WHITE HOUSE Two weeks before the election, Democratic President Barack Obama and Republican presidential candidate Mitt Romney are intensely seeking votes in several key states that could deci

发表于:2019-02-09 / 阅读(71) / 评论(0)

英语新闻

Obama maintains slight lead in battleground states in polls

Obama maintains slight lead in battleground states in polls WASHINGTON, Nov. 3 (Xinhua) -- New polls released Saturday showed U.S. President Barack Obama continued to enjoy a slight lead in all important battleground states of Florida and Ohio, as he

发表于:2019-02-13 / 阅读(82) / 评论(0)

英语新闻

Obama grants 10 states waivers on federal education law

WASHINGTON, Feb. 9 (Xinhua) -- U.S. President Barack Obama announced Thursday that 10 states have been exempted from some burdensome mandates of the federal education law known as No Child Left Behind (NCLB), giving them flexibility to implement thei

发表于:2019-02-18 / 阅读(75) / 评论(0)

英语新闻

英语歌曲：温暖欢快乡村调 Jason Aldean - Fly Over States

温暖欢快乡村调：Jason Aldean - Fly Over States Jason Aldean，美国乡村男歌手，这首Fly Over States是他2010年11月发行的新专辑My Kinda Party中的歌曲，这张新专辑以193,000张的销量成为近三年美国乡村男歌手

发表于:2019-02-20 / 阅读(86) / 评论(0)

经典英文歌曲

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acoustic holography by electron-beam scanning