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论设计模式在软件开发中的应用 设计模式描述了在特定场景下解决一般设计问题的类和相互通信的对象。一个设计模式命名、抽象并确定了一个通用设计结构的主要方面，这些设计结构能被用来构造可复用的面向对象设计。现在，设计模式已经广泛地应用在软件开发中。 请围绕"设计模式在软件开发中的应用"论题，依次对以下3个方面进行论述： ①概要叙述你参与分析和开发的应用项目，以及你所担任的主要工作。 ②简要介绍设计模式的基本概念及分类，详细说明在你所参与分析和开发的应用项目中应用了哪些设计模式、方法，以及选用它们的原因。 ③分析并讨论使用设计模式的效果，并分析和评价设计模式对软件开发的影响。
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举一反三
【单选题】She has found _____ at last.
A.
content
B.
contentment
C.
contended
D.
Discontentment
【单选题】Why does Jessie want to change her hair style?
A.
She has found a job.
B.
She has become a teacher.
C.
Her boss is dissatisfied with her hairstyle.
D.
All of the above.
【单选题】Rebecca found life on Everest is hard because ______.
A.
she has nothing but a toothbrush
B.
she is a clean person
C.
everything that is needed has to be carded on the back
【单选题】Rebecca found life on Everest is hard because ______.
A.
she has nothing but a toothbrush
B.
she is a clean person
C.
everything that is needed has to be carried on the back
【简答题】A．She has already found her topic. B．She won't sleep tonight so as to figure out her topic. C．She is going to have a sound sleep tonight. D．She will think about her essay tomorrow.
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