1 . 假定你是李华，有感于校园内存在的浪费现象，请根据写作要点并参考图画内容给校长写一封信。

写作要点：
1、说明写信的目的；
2、对这些行为进行批评；
3、提出建议。
注意事项：1、短文词数100左右；
2、信的格式、开头已给出，不计入总词数;
3、参考词汇：不道德的 immoral
Dear headmaster,

I am a student from Class 1, Senior 1. I am writing to you to share my views on the shocking waste of water, electricity and paper in our school.

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A worried student,

Li Hua