题目内容
常见的软件开发模型有瀑布模型、演化模型、螺旋模型、喷泉模型等。其中， (3) 模型适用于需求明确或很少变更的项目， (4) 模型主要用来描述面向对象的软件开发过程。
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在UML中，图是系统体系结构在某个侧面的表示，所有图在一起组成系统的完整视图。在UML的9种图中， (83) 是静态图， (84) 是动态图。
面向对象的开发方法中， (52) 是面向对象技术领域内占主导地位的标准建模语言，用这种语言描述系统与外部系统及用户之间交互的图是 (53) 。
白盒测试通常采用的方法是 (36) ， (37) 不属于白盒测试用例设计方法。黑盒测试也称为功能测试，它不能发现 (38) 。
One of the most successful commercialproducts ever launched is said to have come aboutas the result of a mistake. In 1896, by accidental 1. ______.adding fizzy water instead of still water to therecipe, a pharmacist called John S. Pembertoninvented that has today become the most popular 2. ______.soft drink in the world: Coca-Cola. Coke hasenjoyed huge success worldwide, particularly inthe past fifty years. Indeed, old Coke bottles and"limiting edition" cans can often fetch considerable 3. ______.sums from collectors, and there are even storeswhich deal exclusively Coke products and 4. ______.collectables. What could possibly account for the amazingsuccess of Coca-Cola How has this combinationof carbonated water, sugar, acid and flavouringscome to symbolize the American way of a life for 5. ______.most of the world After all, even themanufacturers could hardly describe Coke as ahealthy product yet it contains relatively high 6. ______.amounts of sugar and phosphoric acid, both ofthat are known to damage teeth. 7. ______. One explanation may be found in the name.The original recipe included a flavouring fromthe coca plant and probably included small amountsof cocaine, but since the early part of the lastcentury all traces of cocaine have removed. 8. ______.However, Coke also includes a flavouring fromthe cola tree; cola extract contains caffeine,which is a stimulant, and the Coca-Cola companyadds extra caffeine for good measure. Whilecaffeine is not thought to be an addictivesubstance by itself, there is considerable evidence 9. ______.that in a period of time the consumption of 10. ______.caffeine has to be increased in order for itsstimulating effect to be maintained, and so salesof Coke perhaps benefit as a result.
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