1 . 假设你是红星中学学生李华。你和同学在寒假期间去医院参加了志愿者活动，请按照以下四幅图的先后顺序，给校刊英语角写一篇英文稿件，介绍此次经历。
注意：词数不少于60。
提示词：自助挂号机   self-service registration machine

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