假设你是科代表，请根据以下提示，口头通知你班美国学生参加为交换生举办的一次讲座。
    1. 时间：周三下午4点；
    2. 地点：图书馆；
    3. 内容：清华大学教授唐文方介绍中美文化差异；
演讲后可以和唐教授交谈，介绍你在中国的经历，有对中国文化不理解的问题可以询问唐教授；
    4. 提示：准时到场。
注意：1. 词数100左右；
    2. 可适当增加细节，以使行文连贯；
    3. 开头和结尾已给出，不计入总词数。
Boys and girls,
    May I have your attention, please?

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That’s all. Thank you.

参考作文：
Boys and girls,
    May I have your attention, please? www-2abc8-com
    There will be a lecture in our library, at 4:00 on Wednesday afternoon. We are very honored to have invited Professor Tang Wenfang, who has been studying cultural differences in Qinghua University for many years, to talk about the differences between American and Chinese cultures, which may be quite an interesting topic. After the lecture, you’re welcome to share your experiences in China with everyone else present. Since you have stayed in China for half a year, if you have anything that puzzles you, it would be great to talk with Mr. Tang.He will be glad to communicate with you.Please be present on time.
    That’s all. Thank you.