粒状偏析

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

发表于:2018-12-01 / 阅读(130) / 评论(0) 分类 VOA2003(下)-环境与健康

Unit 80 Civil Rights Movement against Segregation in the US During and after World War II, challenges to segregation became more common and more successful. Three major factors accounted for this: -- The Great Migration The great migration was the mo

发表于:2018-12-30 / 阅读(79) / 评论(0) 分类 英语流行话题阅读:语境识词4500

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

发表于:2018-12-30 / 阅读(109) / 评论(0) 分类 国家地理2008年

迈克尔.杰克逊:They Don't Care About Us they Don't Care About Us 他们不在乎我们 skin head dead head everybody gone bad 人面兽心、行尸走肉,所有人都变坏了 situation speculation everybody allegation见风使舵、投机倒把

发表于:2019-01-03 / 阅读(83) / 评论(0) 分类 迈克尔杰克逊经典歌曲

By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As

发表于:2019-01-11 / 阅读(103) / 评论(0) 分类 2007年VOA标准英语(九月)

Should Offensive Place Names Be Changed? Hundreds of places across the U.S. use the word squaw, including Squaw Creek, Squaw Flat, Squaw Meadows and Squaw Springs, for example. In 1960, the Winter Olympics took place in a ski area called Squaw Valley

发表于:2019-01-12 / 阅读(81) / 评论(0) 分类 2016年VOA慢速英语(六)月

By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme

发表于:2019-01-13 / 阅读(70) / 评论(0) 分类 VOA标准英语2008年(五月)

Alumni work to save buildings designed to educate rural African Americans Susan Logue Koster | Dillwyn, VA 25 February 2010 Watch: Logue Koster Report MP4 Wilbert Dean was moved to save his school when he saw it was being used as a trash dump. Relate

发表于:2019-01-13 / 阅读(82) / 评论(0) 分类 VOA标准英语2010年(二月)

RACHEL MARTIN, HOST: As Americans, we are bound by a collective identity. We see ourselves as independent change makers. We invent things. And we can reinvent ourselves. But that innovation, that desire to keep changing has gone away. That's the cent

发表于:2019-01-16 / 阅读(73) / 评论(0) 分类 2017年NPR美国国家公共电台3月

模仿文本: 50 years ago on May 2nd, 1963, racial tensions in the US city of Birmingham, Alabama reached the peak when thousands of black schoolchildren took to the streets to protest against segregation. It became known as the Children's Crusade

发表于:2019-01-24 / 阅读(66) / 评论(0) 分类 英音模仿秀

By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app

发表于:2019-01-31 / 阅读(91) / 评论(0) 分类 2007年VOA常速英语(十月)

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

发表于:2019-01-31 / 阅读(89) / 评论(0) 分类 VOA常速英语2008年(四月)

Once a man had a dream.He dreamed of a land of peace and harmony.He dreamed of a place where people were not judged by their skin color.He dreamed of a country where children of different races could play together.He dreamed of a nation where all peo

发表于:2019-02-02 / 阅读(51) / 评论(0) 分类 英美文化

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(207) / 评论(0) 分类 英语新闻

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(196) / 评论(0) 分类 趣味英语

It's reported that tickets for Shanghai Disneyland have been booked-out for the first 2 weeks after the theme park opens to the public next month. 据报道,上海迪士尼乐园下个月正式开园之后的头两周门票,如今早已被预定一

发表于:2019-02-17 / 阅读(126) / 评论(0) 分类 阅读空间

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(104) / 评论(0) 分类 VOA常速英语2007年(十二月)

Peeing at work has traditionally been a segregated business. 传统上,在工作场所如厕存在着一种隔离。 In the old days, directors relieved themselves in different, swishier places from the rank and file. 过去,董事们有自己单独

发表于:2019-02-18 / 阅读(62) / 评论(0) 分类 英语新闻

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(151) / 评论(0) 分类 英语新闻

Books and Arts; Book Review; 文艺;书评; Segregation in cities 城市里的种族隔离 Living in black and white 黑白时代 How different races inhabit cities 不同的种族如何共居于城市 Segregation: A Global History of Divided Cit

发表于:2019-03-09 / 阅读(159) / 评论(0) 分类 经济学人综合
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