80. What kind of event is taking place?
(A) A book club meeting.
(B) An industry conference.
(C) A staff party.
(D) A press conference.

Questions 80 through 82 refer to the following talk.

Welcome everyone to the 10th annual Renewable Energy Summit. We have a very exciting schedule today. Before we begin our first session, I have a brief announcement. Our keynote speaker, Dr. Elena Ristova, will be signing copies of her new book, The Future of Solar, during the lunch break in the main lobby. Also, please remember to silence your mobile phones during the presentations. Now, please join me in welcoming our first presenter, Mr. James Chen from GreenTech Solutions.

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第 80 至 82 題與下列演講相關。

歡迎各位參加第十屆年度再生能源高峰會。今天的日程安排非常精彩。在第一場會議開始之前，我先做一個簡短的通知。我們的主講嘉賓埃琳娜·里斯托娃博士將在午餐休息時間於主大廳為她的新書《太陽能的未來》簽名售書。另外，請各位在演講期間將手機調至靜音模式。現在，請大家和我一起歡迎我們的第一位演講嘉賓，來自 GreenTech Solutions 的詹姆斯陳先生。