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[00:04.28]Text 2.1 Overheads and their recove [00:08.67]The costs of a business are of two types--direct and indirec [00:13.43]The direct costs vary directly productio [00:16.82]If one additional unit of production is made ,there will be a measurable
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This is the VOA Special English Education Report. Here is a question for a college admissions test. Who was Stanley Kaplan? Did he A) start a test preparation company, B) start the test preparation industry, or C) die last month at age ninety? The c
VOA慢速英语2009年（九）月
Treat every day as Earth Day EARTH- Mothers Day, Fathers Day, Earth Day. Holidays like these and others could be celebrated every day of the year. While larger projects like helping to clean up local parks are important tasks to tackle, there are als
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1959: The Year That Changed Everything A crowd gathers in New York's Times Square to usher in the New Year, 1959. The importance of what future met them that year is still being debated. How Significant Will 2009 Appear in the Lens of History? Jeff G
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For years, I had resisted medication, making many, many efforts to get off. 这些年来，我一直反对用药，为此会付出一切。 I felt that if I could manage without medication, 我感觉到我不服用药物也可以保持 I could prove
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