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1. A user story says, "the product must run very fast." During the demo period, Po did not meet the delivery speed of the product, which was the best choice The reason is the user story.

1. A. Too big
2. B. Incalculable
3. C. Not testable
4. D. Non delivery value

一个用户故事中说：“产品的运行速度必须很快。”在 Demo 期间，PO 不满足产品的交付速度，最可能的原因是这个用户故事________________。

1. A、太大
2. B、不可估算
3. C、不可测试
4. D、不交付价值

2.In lean, the project leader strives to eliminate the problem.

1. A、WIP and bugs
2. B. Unnecessary delay and build
3. C. Low priority features
4. D. Poor requirements and scope changes

在精益中，项目牵头人努力消除________________。

1. A、WIP and bugs
2. B、不必要的延期和构建
3. C、低优先级的功能
4. D、差的需求和范围变更

3.The best way to estimate the work of a project is to use story points.

1. A. Team members estimate with average plan poker
2. B. Key team members estimate
3. C. Two or three key team members estimated and averaged the results
4. D. Team members estimate together

用故事点的方法去估算项目工作，最好的方法是________________。

1. A、团队成员用平均计划扑克估算
2. B、主要团队成员进行估算
3. C、两三个主要的团队成员进行估算并且进行综合平均
4. D、团队成员一起进行估算