单词：PERT (program evaluation and review technique)
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My wife and I sit down and review this report, line item by line item, and discuss each one. 我和妻子一起审查报告，一项一项划出来，一项一项地讨论。 If we were below budget, we discuss why. If we were over budget, we review
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11.This means that a DNA database may have a lot of data from some regions and not others , so a person's test results may differ depending on the company that processes the results. 【分析】并列复合句。so连接两个并列分旬。前一分句
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By Carol Pearson Washington, DC 26 April 2006 watch AIDS What Works report Unprecedented amounts of money are going to prevent the spread of HIV and AIDS. But, as VOA's Carol Pearson reports, finding
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DAVID GREENE, HOST: We have an update now on teachers who were given grants to work in low-income schools and then - financial calamity. They say their grants were unfairly converted to loans they now have to pay back. After a series of NPR stories r
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By Mike O'Sullivan Los Angeles 05 July 2007 Many consumers are concerned about the environment, and environmental organizations are helping them make choices about how to spend their money. VOA's Mike O'Sullivan spoke with the president and chief exe
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By Jessica Berman Washington 01 April 2008 For the past 50 years, the development of new drugs to treat tropical diseases that affect nearly one billion people has languished because it has not been profitable for drug manufacturers in the West. But
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