书面表达
假设你是阳光中学“绿色俱乐部”的一名成员李伟，你的美国笔友Tony来信询问你校开展“低碳生活”的活动。请你以“Leading a low-carbon living”为题，写一封英文信介绍有关情况，内容包括以下几个方面：
1. The theme of the activity: actions change the world to advocate (提倡)the low-carbon living. 2. The concepts of low-carbon lifestyle: low energy and no waste.
3. Green activities: a no-car day, reuse textbooks and paper, plant trees, turn off lights and taps when leaving…
4. Hope: …
要求：1.词数为80～100，开头和结尾已给出，不计入总词数。
2.信中须包括所有内容要点，可适当发挥，使语句通顺，意思连贯，符合逻辑。
Dear Tony,
I’m very glad to receive your letter.
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Can you give me some useful advice? I hope to hear from you soon.
Best wishes!
Yours, Li Wei