单词：operation research (or)
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Lesson 77 A successful operation 一例成功的手术 First listen and then answer the question. 听录音，然后回答以下问题。 Did the doctors find out how the woman died? The mummy of an E
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By Cathy Majtenyi Nairobi, Kenya 26 December 2007 Watch Operation Smile Operation Smile is an international group of medical professionals who perform reconstructive surgery, free of charge,for children with facial deformities. This year, Operation S
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By Al Pessin Pentagon 15 August 2007 The U.S. command in eastern Afghanistan is confirming that U.S. and Afghan forces are conducting an offensive against insurgents in the rugged Tora Bora region. VOA's Al Pessin reports from the Pentagon. A spokesw
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By Mona Ghuneim New York 09 November 2007 A new branch of Operation Hope opened its doors recently in New York's Harlem neighborhood. The Hope Center of Harlem focuses on connecting minorities with mainstream, private sector resources and empowering
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BEIJING, Feb. 19 (Xinhua) -- The People's Bank of China (PBOC) on Tuesday started a 28-day repurchase operation worth 30 billion yuan (4.8 billion U.S. dollars) for the first time since June, according to a statement on its website. A repurchase oper
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