Speaking Ⅱ　Advantages and Disadvantages of Popular...

2025年10月13日

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Speaking Ⅱ　Advantages and Disadvantages of Popular Audio-Video Equipment受到广泛使用的视听设备的优缺点

Most convention programs today use audiovisuals in one form or another.There is a wide variety of presentation devices available ranging from the easy-to-use 35 mm slide projectors，film video and overhead projectors to highly specialized，technical equipment used in multi-media and multi-image presentations.The travel service staff should have，at least，a working understanding of this equipment.

Talk in pairs about the advantages and disadvantages of popular audio-video equipment，and then fill in the grid with relevant information.Exchange your message orally and take notes while your partner is speaking.