单词：unit cost technique
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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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[00:00.00]Some unique characteristics of life insurance [00:03.92]Life insurance is a risk-pooling plan,an economic device through which the risk of premature death is transferred from the individual to the group. [00:14.29]However,the contingency in
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unit 3 Spending a day out together [00:19.42]单元三 一起在外度过一天 [00:21.55]Look and read [00:23.08]看并且读 [00:24.61]What do you usually do at weekends,Miss Chen ? [00:26.74]你通常在周末做什么，陈小姐？ [00:28.87]I s
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If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning
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Unit 116 How much did it cost? How much did it cost? 多少钱啊？ How much does it cost? 这要花多少钱？ How much did it cost? 花多少钱买的？ How much does it cost? 多少钱？ How much did these cost? 要花多少钱啊？ How much
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By Carol Pearson Washington 08 January 2008 New technology makes surgery safer, shortens recovery time and leaves no scars. Both physicians and patients are pleased with the results. VOA's Carol Pearson has more. Maria Viruet recently had her gallbla
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