语言注意点:
介绍信应措辞礼貌得体，对被介绍人的说明应简洁明了、重点突出。
Directions 20
Write a letter to inform a colleague of a coming visiting scholar in about 100 words. Do not sign your own name at the end of your letter, using "Li Ming" instead.
Sample:
Dear Anna,
Please allow me to take this opportunity to introduce a visiting scholar, George Martin, from University of California at Berkeley. He will be a member of our Program of AsiaPacific Economy for nine months.
George is an enthusiastic and enterprising scholar. He has done various researches on American and Asian economies for more than ten years. I am sure that his participation will do a lot of help to our recent research.
George will be arriving here on next Friday and he will soon go to visit you after arrival. You can introduce the overall development of our program to him, and then explore the details of cooperation.
Sincerely yours,
Li Ming
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