题目内容

下面哪个模型的模型的缺点是缺乏灵活性,特别是无法解决软件需求不明确或不准确的问题

A. 瀑布模型
B. 原型模型
C. 增量模型
D. 螺旋模型

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软件开发的瀑布模型,一般都将开发过程划分为:分析、设计、编码、测试和维护等阶段,一般认为可能占用人员最多的阶段是

A. 分析阶段
B. 设计阶段
C. 维护阶段
D. 测试阶段

As with all modern technologies, it is made from a mix of ___________________(硬件和软件) machine and ideas.

Sound can be used in strategic parts of the program or during a movie to emphasize certain points. This may include speech, __________(音效)ambient sound and music.

Interactive elements can include: voice command, mouse manipulation,________(文本输入)touch screen, video capture of the user, or live participation.

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