书面表达。

北京国际学校八年级学生魏环向福州的网友李志远发了一封电子邮件，询问了一些关于当地环境情况。请根据来信（如下）帮他回一封电子邮件。

注意：1. 词数：60词左右；2. 邮件的开头和结尾已替你写好，不计入总词数。
Dear Li Zhiyuan，

I feel very excited about my visit to Fuzhou and meeting you for the first time! But I’m still not sure about the following questions：

1. Are there any rivers or lakes in your city?

2. Is the water dirty or clean? Why?

3. Did you do anything useful to protect the clean water?

Please let me know about it.

Your friend，
Wei Huan
Dear Wei Huan，

I am very excited to receive your e-mail. I am interested in your questions.

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Looking forward to meeting you soon.

Yours，

Li Zhiyuan