在积极备考英语四级口语考试时，能够流畅地表达自己的观点，并围绕多样化的话题进行深层次的交流，是取得优异成绩的关键要素。为了更有效地磨练这一技能，接下来，我们将聚焦于“参加讲座”的主题，共同进行一段模拟对话练习。

对话内容

A: Hey, have you heard about the lecture on global warming tomorrow?

A: 嘿，你听说明天有关于全球变暖的讲座吗？

B: Yeah, I just got the notice. It sounds really interesting.

B: 是的，我刚收到通知。听起来很有趣。

A: Absolutely. I'm really looking forward to it. Do you know where it's being held?

A: 确实。我很期待。你知道在哪里举行吗？

B: I think it's in Room 203 of the Science Building.

B: 我想是在科学楼的203室。

A: Great. What time does it start? I don't want to be late.

A: 太好了。什么时候开始？我不想迟到。

B: It starts at 2 PM. We'd better get there a bit early to get good seats.

B: 下午两点开始。我们最好早点到，找个好座位。

A: Definitely. Do you know who the speaker is?

A: 当然。你知道演讲者是谁吗？

B: I heard it's Professor Wang from the Environmental Science Department.

B: 我听说是环境科学系的王教授。

A: Wow, he's really knowledgeable. I can't wait to hear what he has to say.

A: 哇，他真的很博学。我迫不及待地想听他说什么了。

重点词汇解析

lecture (n.) - 讲座；演讲

global warming (n.) - 全球变暖

notice (n.) - 通知

look forward to (v.) - 期待；盼望

definitely (adv.) - 肯定地；确实地

speaker (n.) - 演讲者

knowledgeable (adj.) - 知识渊博的；有见识的

can't wait (v.) - 迫不及待

以上就是英语四级口语之参加讲座的对话场景练习，希望对大家有所帮助！