在英语主持人的辩论赛中，掌握一些常用的表达方式不仅能帮助选手更好地组织语言，还能提升整体表现力。以下是一些在比赛中经常使用的表达句式和短语：

1. 开场与引入

- "Good evening, ladies and gentlemen. Welcome to tonight's debate on [topic]."

- "Today, we gather here to discuss an issue that is both timely and significant: [topic]."

2. 陈述观点

- "I firmly believe that [point], as evidenced by [example]."

- "From my perspective, it is crucial to acknowledge that [point]."

3. 反驳对方观点

- "While my opponent has raised some valid points, I must disagree with their conclusion."

- "It is important to note that their argument overlooks the fact that [counterpoint]."

4. 总结与强调

- "In conclusion, it is evident that [summary of main points]."

- "To sum up, [key point] is the cornerstone of our argument."

5. 过渡与连接

- "Moving forward, let us consider another aspect of this topic."

- "Building on what has been said, I would like to add that [additional point]."

6. 呼吁行动或思考

- "As we wrap up tonight's discussion, I urge you to reflect on the implications of [topic]."

- "Let us hope that future discussions will continue to shed light on this important issue."

这些表达不仅能够帮助选手更流畅地进行辩论，还能增强语言的表现力和说服力。通过熟练运用这些句式，选手可以在比赛中更加自信地表达自己的观点，并有效地回应对手的挑战。