演讲者：陈星（南京大学）。

该次演讲分三个部分：第一是自己演讲自己事先准备好的内容；第二则是由主持人提问，然后由演讲者根据提问发挥想象演讲；第三是，有评委提问，然后演讲者回答。

第一部分：（题目是“奉献即有收获”）

Morning, ladies and gentlemen.

Last summer, I volunteered to work as an English teacher in a primary school for children of migrant workers.

To be accurate, I didn’t volunteer. I was dragged in.（ literally）

When my friend first hit upon the idea of this project, I was all against it:'What? To spend my vacati