单词：parascorpaena mossambica
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DEVELOPMENT REPORT – October 21, 2002: Meningitis in Africa By Jill Moss This is the VOA Special English Development Report. Health experts from Africa and international aid agencies have agreed on
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DEVELOPMENT REPORT – April 1, 2002: Ebola in Africa By Jill Moss Ebola virus (Photo -cdc.gov) This is the VOA Special English Development Report. The World Health Organization reports fifty -four pe
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45 国际小儿麻痹预防运动 DATE=5-7-01 TITLE=DEVELOPMENT REPORT - UN Polio Campaign BYLINE=Jill Moss (Start at 1'01
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DEVELOPMENT REPORT — June 10, 2002: Campaign Against Polio By Jill Moss This is the VOA Special English Development Report. In nineteen-eighty-eight, world health leaders started a campaign to end t
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DEVELOPMENT REPORT – August 12, 2002: Campaign Against Tetanus By Jill Moss (Photo -UNICEF) This is the VOA Special English Development Report. The United Nations Children’s Fund, UNICEF, has laun
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Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele
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