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1. How does pair-programming work in Extreme programming?

A、A developer and tester team up to work on a story

B、A customer representative and developer jointly work on a requirement 

C、tester writes the test while developer writes the code 

D、Two developers work together on a task

结对编程在极限编程当中是如何工作的? 

A、在故事中开发人员和测试人员共同工作

B、在需求上客户代表和研发者共同工作

C、测试编写人员编写测试，而开发人员就编写代码

D、在任务中两个研发者共同工作

2.If the project sponsor is disappointed because one value-added function can only be used the next year，how should the PO do? 

A、Ensure that the project sponsor know the team's responsibility for delay

B、Check the product backlog and ensure the priority of the project sponsors

C、By negotiating with the project sponsor，increase the fund 

D、Authorize project sponsor to manage the product backlog

如果项目发起人因为某项增值功能要到明年才可用而感到失望，产品负责人应该怎么做

A、确保项目发起人知道团队的全权负责延期责任

B、检查产品待办列表，确保有项目发起人的优先级

C、通过与项目发起人协商，获得资金增加

D、授权项目发起人管理产品待办列表

3.A team that has newly transitioned to Scrum. The Product Owner wants to know the level of detail he needs to put in to the stories so that the team can work with them. What guidance would you give in this regard?

A、Stories should be as detailed as possible，so that there is no room for ambiguity 

B、It can be no more than 1 index card in length and the details given in a separate document

C、The level of detail should be worked out between the team and the Product Owner 

D、Stories can contain less detail，because Agile relies on working software over comprehensive documentation

一个团队刚刚开始使用敏捷方法。产品所有者想知道投放于故事中所需的颗粒度，这些信息可以为团队所用，你会在这方面会给他什么意见? 

A、故事应尽可能详细，这样就不会有歧义

B、在长度上不应该超过一个索引卡片，所有细节也应该放在一个单独的文档上

C、颗粒度应该由团队和产品所有者共同协商得出

D、故事可以包含较少的细节，因为敏捷更注重可工作软件而不是全面文档