初中学校为配合“十一五”期间重要目标的实施,开展了一次“清洁校园垃圾,创建环境友好型校园”的活动。假如你是该校一名中学生,请你参与下列各项活动。(1)设计宣传标语:___________________________________________________________________________________________(2)垃圾分类处理的意义:______________________________________________________________________________________________________________________________________________________________________________________(3)你还能为创建资源节约型、环境友好型校园做些什么?______________________________________________________________________________________________________________________________________________________________________________________