题目内容
甲公司属于商品流通企业，为增值税一般纳税人，售价中不含增值税。该公司只经营A类商品并采用毛利率法对发出商品计价，季度内各月份的毛利率根据上季度实际毛利率确定。该公司2007年第一季度、第二季度甲类商品有关的资料如下： (1) 2007年第一季度累计销售收入为3000万元、销售成本为2550万元，3月末库存商品实际成本为2000万元。 (2) 2007年第二季度购进甲类商品成本4400万元。 (3) 2007年4月份实现商品销售收入1500万元。 (4) 2007年5月份实现商品销售收入2500万元。 (5) 假定2007年6月末按一定方法计算的库存商品实际成本2100万元。 要求：根据上述资料计算下列指标： (1) 计算乙公司甲类商品2007年第一季度的实际毛利率。 (2) 分别计算乙公司甲类商品2007年4月份、5月份、6月份的商品销售成本。(答案中的金额单位用万元表示)
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Some Haitians are on strike in order to_______.
设a=10，b=9，c=8，则执行以下两条语句，变量b的值为______。 a=CInt(b/(10/(c/2))) b=c Mod a
What accounts for the great outburst of major inventions in early America-breakthroughs such as the telegraph, the steamboat and the weaving machine Among the many shaping factors, I would single out the country’’s excellent elementary schools; a labor force that welcomed the new technology; the practice of giving premiums to inventors; and above all the American genius for nonverbal," spatial" thinking about things technological. Why mention the elementary schools Because thanks to these schools our early mechanics ,especially in the New England and Middle Atlantic states, were generally literate and at home in arithmetic and in some aspects of geometry and trigonometry. Acute foreign observers related American adaptiveness and inventiveness to this educational advantage. As a member of a British commission visiting here in 1853 reported," With a mind prepared by thorough school discipline, the American boy develops rapidly into the skilled workman." A further stimulus to invention came from the "premium" system, which preceded our patent system and for years ran parallel with it. This approach, originated abroad, offered inventors medals, cash prizes and other incentives. In the United States, multitudes of premiums for new devices were awarded at country fairs and at the industrial fairs in major cities. Americans flocked to these fairs to admire the new machines and thus to renew their faith in the beneficence of technological advance. Given this optimistic approach to technological innovation, the American worker took readily to that special kind of nonverbal thinking required in mechanical technology. As Eugene Ferguson has pointed out," A technologist thinks about objects that cannot be reduced to unambiguous verbal descriptions; they are dealt with in his mind by a visual, nonverbal process. The designer and the inventor are able to assemble and manipulate in their minds devices that as yet do not exist." This nonverbal "spatial" thinking can be just as creative as painting and writing. Robert Fulton once wrote," The mechanic should sit down among levers, screws, wedges, wheels, etc., like a poet among the letters of the alphabet, considering them as an exhibition of his thoughts, in which a new arrangement transmits a new idea." When all these shaping forces-- schools, open attitudes, the premium system, a genius for spatial thinking -- interacted with one another on the rich U. S. mainland, they produced that American characteristic, emulation. Today that word implies mere imitation. But in earlier times it meant a friendly but competitive striving for fame and excellence. According to the author, the great outburst of major inventions in early America was in a large part due to______.
分析化学是研究物质及其变化的重要方法之一。
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