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请根据你对以下两幅图的理解, 以”bring back a bluer sky” 为题用英语写一篇作文。

1. 简要描述两幅图的内容。

2. 概述你对两幅图中不同做法的理解。

3. 谈谈这两幅对你的启示。

注意:参考词汇:秸秆straw雾霾 smog

可参考图片适当发挥;作文词数150左右。

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