单词：expergefactor
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45.The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Suns very center. It is here that is to be found the source of the energy that the Sun constantly pours out i
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THIS IS AMERICA - Writers and the Immigrant Experience: Middle East, Europe and Africa By Doreen Baingana Broadcast: Monday, January 17, 2005 (MUSIC) VOICE ONE: Welcome to THIS IS AMERICA, in VOA Spec
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Age One of Many Deciding Factors for Heart Transplants Former U.S. Vice President Dick Cheney continues his recovery after undergoing heart transplant surgery March 24 at the age of 71. The vice president's operation has sparked a public debate over
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By Paula Wolfson Sydney 07 September 2007 A team of nuclear experts from the United States, China and Russia will go to North Korea next week to survey nuclear facilities that would be disabled if Pyongyang eventually agrees to abandon its nuclear we
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By Catherine Makino Tokyo 17 July 2007 A day after a powerful earthquake struck Japan's northwestern coast, officials are investigating the possibility of radioactive leaks at a nuclear power plant. As Catherine Makino reports from Tokyo, the search
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Republican vice presidential candidate Sarah Palin has defended her experience and taken a tough stance on national security issues in a much-anticipated interview. The Alaskan governor was a virtual unknown on the national stage when picked by Repu
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