单词:motor brass alloy
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By Meredith Buel Washington 30 May 2008 U.S. National Security Advisor Stephen Hadley says the world cannot let down future generations by allowing Iran to develop a nuclear bomb, saying such a development would be a disaster for the Middle East and
Unit 136 Walk with a pal Unit 136 结伴散步 As part of their hospital exercise program,a group of men were assigned to walk every day.A study following their progress after they left the hospital found that the men who walked with their wives were
By Cathy Majtenyi Nairobi 22 January 2008 An international agricultural research group recently announced a fellowship program to help African women who work in agricultural sciences to advance their careers. The program is based on two earlier pilo
DEVELOPMENT REPORT - DOTS Program Helps Reduce Tuberculosis Rates in China By Jill Moss Broadcast: Monday, August 09, 2004 This is Robert Cohen with the VOA Special English Development Report. The Wor
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Every school day, about 7,000 students drop out of school(退学) in the United Stars. That's a total of 1.2 million students each year and only about 70 percent of entering high school freshman graduate each year. The problem is especially serious i