假如你是李华。paul是你的外国笔友 你向他介绍一下中过传统习俗的变化

　　本篇书面表达要求写一封邮件介绍中国的用餐习俗，内容简单，贴近生活。在内容上属于说明文，所以其篇章结构可以按照三段式进行写作。文章第一段是引言段，提出要解决的问题，就本文来讲就是要提出写作目的。第二段也就是正文段要介绍中国的餐桌礼仪，写作时要简单明了，条理清晰。在时态方面因为是介绍习俗礼仪所以文章可以用一般现在时。此外还要注意适当增添细节，正确使用连接词，以便使文章内容丰满，语言连贯。
　　Dear Paul,
　　You mentioned you are interested in Chinese table manners, so I’m writing to give you a brief introduction.
　　When a dinner begins, the host will invite the guests to get seated first. Then one major feature you should remember in China is that we use chopsticks instead of knife and fork, and everyone should try to avoid making unpleasant noise while eating. Whenever a dish is served, the guests are supposed to try it first. Of course, as guests, we should express our thanks to the host after enjoying the dinner.
　　Such are the basic tips about Chinese table manners. All in all, “When in China, do as the Chinese do” is your best choice. (115 words)
　　Yours truly,
　　Li Hua