Extreme Programming (XP) is a discipline of software development with __1____of simplicity, communication, feedback and courage. Successful software development is a teameffort - not just the development team, but the larger team consisting of customer,management and developers. XP is a simple process that brings these people together andhelps them to succeed together. XP is aimed primarily at object-oriented projects using teamsof a dozen or fewer programmers in one location. The principles of XP apply to any ___2___ project that needs to deliver quality software rapidly and flexibly. An XP project needs a(an) ___3__ customer to provide guidance. Customers, programmers, managers, are all working ___4___ to build the system that'sneedeD． Customers - those who have software that needs to be developed - will learn simple,effective ways to __5___ what they need, to be sure that they are getting what they need,and to steer the project to success.5、_____
题目中描述敏捷开发方法极限编程(XP)。XP强调简单、沟通、反馈和勇气4个核心价值(values)，适合于需要快速和灵活交付适当规模(moderately-sized)任何项目。XP，强调客户全职(full-time)参与。客户和项目其他成员工作在一起(together)，以简单方式进行有效沟通(communicate)，以掌握项目按照需求向项目成功方向进行。
