题干
资源短缺威胁全球，节约资源刻不容缓。勤俭光荣，浪费可耻。假设你是李雷，请你给全班同学写一封倡议信，内容包括：
谈谈你曾经看到的校园内出现的资源浪费的现象，你当时的感受是什么？
针对校园出现的各种浪费现象，向同学们提出至少三条改进措施
号召大家节约资源，杜绝浪费。
注意：在书信中不能透露真实的姓名和学校，不能照抄原文。词数：80词左右。
参考词汇：resource(资源) electricity(电)
Dear classmates,
Li Lei
答案(点此获取答案解析）
Dear classmates,
Nowadays, some of our students have formed some bad habits on campus. They leave the lights on in the daytime or leave water running after washing. Some leave too much food on the table after eating in the canteen. Besides,waste pa
