儿童英语读物 The Gymnastics Mystery CHAPTER 9 The Competition

Katya was poised on the mat at one end of the balance beam. She looked toward the judges. The head judge signaled that they were ready. Then Katya took a deep breath and raised her arm in return. With a swift move she straddled the end of the beam. H

VOA常速英语2013--洛杉矶不同的圣诞老人大受欢迎

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VOA标准英语2013--Merchants Put New Spin on Advertising

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DAVID GREENE, HOST: A half a century ago, a daredevil from Butte, Mont., rocketed into national prominence on a motorbike. Frank Morris of member station KCUR tells us about a new museum celebrating all that is Evel - Evel Knievel, that is. FRANK MOR

VOA标准英语2012--Coach Helps Female Clients Pursue Dream Job

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美国国家公共电台 NPR Fight The Opioid Epidemic, All Agree. But Strategies Vary Widely

DAVID GREENE, HOST: Now, across the U.S., states are pouring resources into fighting the opioid epidemic. A handful of them have even declared public health emergencies. And Arizona did just that earlier this year. But some advocates say that until s

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首部“自毁小说”问世

The world's first self-destructing novel is being offered by James Patterson. 世界上第一部自毁小说问世，作者是美国作家詹姆斯帕特森（James Patterson）。 For ?200,000 one fan will get 24 hours to read his latest book before

万物简史 第228期:把铅撵出去(17)

So who is making it? We arethat is to say, many of our large corporations are still making it at their plants overseas. It will not be banned in Third World countries until 2010. 那么，是谁在生产含氯氟烃？是我们──那就是说，许多

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By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

万物简史 第224期:把铅撵出去(13)

His main work done, Patterson now turned his attention to the nagging question of all that lead in the atmosphere. He was astounded to find that what little was known about the effects of lead on humans was almost invariably wrong or misleadingand no

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As always, however, nothing was quite as straightforward as such a breezy description makes it sound. Meteorites are not abundant and meteoritic samples not especially easy to get hold of. Moreover, Brown's measurement technique proved finicky in the

万物简史 第221期:把铅撵出去(10)

But there were many technical difficulties to overcome. Holmes also neededor at least would very much have appreciatedsophisticated gadgetry of a sort that could make very fine measurements from tiny samples, and as we have seen it was all he could d

万物简史 第212期:把铅撵出去(1)

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

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LOS ANGELES In many western cultures, Santa Claus is traditionally depicted as Caucasian man with a white beard in a red suit. But around the United States, this symbol of Christmas comes in many colors. In one Los Angeles shopping mall non-tradition

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MARY LOUISE KELLY, HOST: Since he left the White House, Bill Clinton's found time to write books - memoir, policy tomes - never until today fiction. He told me writing a thriller has been a little scary. BILL CLINTON: I had so much fun, but it's - yo