假如你是王雪，你的美国朋友Helen的生日就要到了，请用英语给她写一封120词左右的祝贺信。

请根据以下内容写一篇120字左右的作文。This April, a big earthquake damaged Yaan, SiChuan province in which hundreds of people died and thousands of houses collapsed. Also, other harmful results it caused are countless. As a Chinese what would you do to the local people who have experienced this catastrophe?

假如你是北京外国语大学英语系的主任，想邀请哈佛大学的Michael Hutchison教授来校为英语专业的研究生做一次有关美国文学的讲座，请用英语给他写一封120词左右的邀请函。