考试：中级软件水平考试
问题：
Extreme Programming（XP）is a discipline of software development with（请作答此空）of simplicity,communication,feedback and courage.Successful software development is a team effort-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 and helps them to succeed together.XP is aimed primarily at object-oriented projects using teams of a dozen or fewer programmers in one location.The principles of XP apply to any（ ）project that needs to deliver quality software rapidly and flexibly.2011-An XP project needs a（ ）customer to provide guidance.Customers,programmers,managers,are all working（ ）to build the system that's needed．Customers-those who have software that needs to be developed-will learn simple,effective ways to（ ）what they need,to be sure that they are getting what they need,and to steer the project to success.
A：importance
B：keys
C：roles
D：values
答案：
解析：
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(中级)电子商务设计师 作答 Programming development simplicity discipline
下列设计模式中， （ ） 模式既是类结构型模式，又是对象结构型模式。此模式与 （请作答此空） 模式类似的特征是，都给另一个对象提供了一定程度上的间接性，都涉及到从自身以外的一个接口向这个对象转发请求。
