【正确答案】Today I feel happy and proud on this joyful occasion when our university is once again celebrating its commencement. Please allow me to extend a warm welcome to all of you and offer you my congratulations.
We have worked our way up since the establishment of the university. Just as things have changed rapidly at our University, the whole world has been changing at an accelerating pace.
Dear graduates, this means that you must be able to adapt to rapid changes, and keep learning, in order to cope with modem life.
Dear graduates, to live and succeed in an ever changing world, you must seek to have a firm knowledge of the world and never cease to improve yourself.

【答案解析】[听力原文]
今天是我校学位颁授典礼的喜庆日子，我感到既高兴又自豪。在这里，请允许我向大家致以热烈的欢迎和祝贺。
我校自建校以来一直向上发展，正如我们学校在各方面发生着急剧变化，整个世界也在不断的改变。
各位毕业生同学，这意味着你们必须能够适应这些快速的变化，不断学习，只有这样才能应对现代生活。
各位毕业生同学，要在这个不断变化的世界中生存并且有所成就，你们一定要有扎实的知识面，一定要努力不懈。