单词：alphozone
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By Richard Thorman 25 Sep 2004, 20:22 UTC Broadcast: September 26, 2004 (THEME) VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the VOA Special English program, PEOPLE IN AMERICA. Today we tell about the life of Nineteenth Centur
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You've probably heard of peanut or shellfish allergies,but a meat allergy,not as common. Even weird * will might be causing it, tick bites.According to a study in the journal of General Internal Medicine. A few years back, folks started showing up in
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Global Warming and Ozone 全球变暖和臭氧 Could the coming century bring a new threat to the ozone layer? Discover one scientist's model of the effect of global warming and greenhouse gases on ozone -- on today's Earth and Sky. DB: This is Earth and S
(科普英语)Earth and Sky
AS IT IS 2015-05-05 From Taxi Driver to Famous Fishing Fly Maker 从出租车司机到著名的飞蝇钓制造商 Elpheus Ndlovu has come a long way from his village in the South African province of Mpumalanga. He once worked as a taxi driver. Now, h
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Arethusa was once a fairy maiden huntress．She carried bow and arrows for Artemis in her hunting．She was so devoted to her work that she cared for neither admiration nor love．One sunny summer day，she felt hot and found a cool stream quite attr
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I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
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