近年来，全球自然灾害频发，极端天气频频出现，环境恶化给全球带来的危害正日益凸显。地球是人类共同的家园，时代的一粒灰，落在个人头上就是一座山，没有人能独善其身。作为达州的一名学生，应该为环境保护做出哪些贡献呢？请以“Let’s try our best to protect the environment”为题，向达州的学生发出倡议，呼吁大家从小事做起，尽最大的努力保护环境！

写作要点：
1. 了解并让更多的人知道环境保护的重要性；
2. 在日常生活中节约用水、节约能源；
3. 为了减少空气污染，最好乘坐公交车、骑自行车或步行上学；
4. 学会垃圾分类，少用塑料袋。
写作要求：
1. 要点齐全并适当发挥；
2. 词数不少于80，开头和结尾已给出，不计入总词数；
3. 条理清晰，句式规范，标点符号和大小写使用正确；
4. 卷面整洁。
参考词汇：l. reduce减少；2. sort the garbage垃圾分类；3. four categories四类垃圾：recyclable, harmful, dry and wet waste

Let’s try our best to protect the environment

Dear friends,

I’m a student of Grade 9 in Dazhou. As we know, we have only one Earth. But in recent years, many disasters happened on the Earth and unusual weather appeared very often. All these bad things were caused by the terrible environment, but the terrible environment was caused by humans. As students in Dazhou, what should we do?

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If we all keep doing these things, I believe the environment will be better and better.

Let’s try our best!

A student worrying about the environment