从美国来的客座教授john Smith 要给你系学生作一个讲座。请写一则关于这个讲座的通知。通知的内容包括以下几个方面：
1 讲座的主题和主要内容；
2 讲座的时间和地点；
3 讲座的参加者；
4 要求本专业的学生讲座后留下进行讨论。
格式一定要按正确的写噢。我就直接复制了。
Notice
Attention, please. Professor John Smith who is from Ameican will give our English Department a lecture on American history tomorrow afternoon. It will be in our school auditorium at 2:00pm. Hope all of our English Department students will attend. Of course there will be a discution after the lecture.
Attention, please. Professor John Smith who is from Ameican will give our English Department a lecture on American history tomorrow afternoon. It will be in our school auditorium at 2:00pm. Hope all of our English Department students will attend. Of course there will be a discution after the lecture.
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