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案例分析题（） is defined as the buying and selling of products and services over the Internet. It had included the handling of purchase （） and funds transfers over computer networks from its inception. It had included the handling of purchase （） and funds transfers over computer networks from its inception.
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案例分析题The main feature of （） is that they follow a first-come/first-served rule. For instance, the line of （） waiting to be run on a computer system. The main feature of （） is that they follow a first-come/first-served rule.
For most kinds of activities, a large group of people can accomplish more and have more fun than one person alone. For example, politicians, businessmen, workers, and (31) criminals know that they must join organizations in order to be (32) . Since there is usually strength in numbers, labor unions have a more (33) influence on wages and company policy than individual workers (34) . A person may also belong to social clubs and athletic teams (35) he or she can meet other people who are interested in the same activities. (36) you have a hobby, such as playing chess, collecting coins or stamps, or playing a musical instrument, you should join a club which has (37) meetings to talk about your activity; the other (38) will help you learn more about it. Of course, a group must be well (39) , or k might be a failure. All the members should work together on projects and choose good leaders to. (40) their activities. In this way, the organization will benefit everyone in it.
在某一汽车展览中，汽车在一座三层楼的一到三层内展出。每层楼内的汽车要么全是家用车，要么全是跑车；要么全部是新车，要么全部是二手车；要么全部是产品车，要么全部都是研究用车。该展览遵从以下条件：(1)若该展览中既包括家用车又包括跑车，则每一辆家用车都被放在跑车的下面一层；(2)该展览中没有二手的研究车； (3)该展览中没有研究用跑车；(4)一楼有新车；(5)三楼有二手车。 下面哪一句话一定正确
2009年1月，东方建筑公司与某客户签订了一项总金额为2 000万元的建造合同，承建一栋建筑物，同时该客户还承诺，如果工程能够提前完成且质量优良，则给予70万元的奖励。该工程预计工期为3年，2009年实际发生工程成本800万元，至完工预计尚需发生合同成本1 000万元。2009年末，工程已领用的物资中尚有200万元材料仍在施工现场，尚未投入使用。东方建筑公司在2009年尚无法合理估计工程能否提前竣工。东方建筑公司采用累计合同成本占合同预计总成本的比例方法确定完工程度，则东方建筑公司2009年应确认的合同毛利为( )万元。
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