写英文答辩作文时，可以遵循以下步骤和结构：

开场白

用正式的问候语开始，例如：“Good morning, Distinguished professors and teachers, ladies and gentlemen, thank you for attending the oral defense.”

自我介绍

简要介绍自己的姓名、指导教授和论文题目。例如：“I am [Your Name] and my supervisor is [Supervisor's Name]. The title of my paper is [Paper Title].”

研究背景与动机

简要介绍研究的背景、目的和重要性。例如：“The title of my paper is a study of the causes of the gothic. This study aims to explore the various factors that contributed to the development of the gothic genre in literature.”

研究方法

描述你在研究中使用的方法和手段。例如：“I employed a combination of primary and secondary sources to conduct this study. Primary sources included historical documents and literature from the gothic period, while secondary sources provided additional context and analysis.”

研究结果

概括你的研究结果，可以使用图表或数据来支持你的发现。例如：“The results of my study indicate that the gothic genre was influenced by several key factors, including social upheaval, religious conflict, and the desire to explore the darker aspects of human nature.”

结论与意义

总结你的研究结论，并讨论其学术和实际意义。例如：“In conclusion, my study provides a comprehensive understanding of the causes of the gothic genre. It highlights the complex interplay of social, religious, and psychological factors that shaped this literary movement.”

致谢

感谢参与研究的团队成员、导师和其他支持者。例如：“I would like to thank my research team for their valuable contributions and my supervisor for their constant encouragement and guidance.”

参考文献

列出你在答辩中引用的所有参考文献。例如：“References: [List of cited references]”

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Good morning, Distinguished professors and teachers, ladies and gentlemen, thank you for attending the oral defense.

I am [Your Name] and my supervisor is [Supervisor's Name]. The title of my paper is [Paper Title].

The title of my paper is a study of the causes of the gothic. This study aims to explore the various factors that contributed to the development of the gothic genre in literature.

I employed a combination of primary and secondary sources to conduct this study. Primary sources included historical documents and literature from the gothic period, while secondary sources provided additional context and analysis.

The results of my study indicate that the gothic genre was influenced by several key factors, including social upheaval, religious conflict, and the desire to explore the darker aspects of human nature.

In conclusion, my study provides a comprehensive understanding of the causes of the gothic genre. It highlights the complex interplay of social, religious, and psychological factors that shaped this literary movement.

I would like to thank my research team for their valuable contributions and my supervisor for their constant encouragement and guidance.

References: [List of cited references]

```

希望这些步骤和示例能帮助你撰写一篇出色的英文答辩作文。