题目内容：

假定你是李华，你的英国笔友Peter对中国文化很感兴趣，来信询问重阳节（the Double Ninth Festival)的相关情况。请你给他写一封邮件，介绍重阳节，内容包括：

1.重阳节的时间；2.重阳节的活动；3.重阳节的意义。

注意：1. 词数100字左右

2. 可以适当增加细节，以使行文连贯。

Dear Peter,

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Looking forward to your early reply.

Yours

LiHua