假定你是中学生李华。美国一个中学校长代表团即将访问你校并出席英语周的一项活动。请根据写作要点和写作要求写一篇欢迎词。 写作要点: 1.表示对客人的欢迎; 2.介绍此项活动(如活动目的、内容等); 3.表达对客人的祝愿。 书面表达范文 Dear American Guest, On behalf of our school, I would like to express our warm welcome to you. We are lucky to have you here in the middle of our English Week Activities. As schedule