问答题 2.  假定你是ABC公司的Sam，刚从纽约旅行回来，请你给在美国旅行期间接待你的Joe写一封感谢信。
    写信日期：3月12日
    内容：
    1.感谢他在旅行期间对你的热情招待；
    2.你很喜欢纽约，希望有机会能再次去纽约；
    3.热情欢迎他来中国旅行。
    注意：必须包括写信日期、对收信人的称谓、写信人的署名等基本书信格式。
【正确答案】
   
March 12

Dear Joe,
   I'm Sam from ABC Company. I'm writing to you to express my appreciation of your hospitality during my travel in the United States.
   New York is a vibrant and fascinating city, and I like it very much. I hope to have another chance to go there and meet you again.
   In the meantime, I sincerely invite you to come to China and it would be my honor to be your guide. Look forward to seeing you again.
   
Sincerely yours,
   Sam
【答案解析】