参考答案：除了健康和环境方面的考虑之外，我要成为素食者的主要原因在于对动物权利的考虑和精神上的需求。谈及动物权利，想到动物在当今工厂化的农场上被虐待的情形我就会颤抖。

解析：[听力原文]
In addition to health and environmental concerns, my primary reasons for being a vegetarian is animal rights and spirituality. With regards to animal rights, I shudder to think of how animals are abused on today’s factory farms.