【正确答案】Dear Dr. King,
The Department of Computer Science of Beijing University would like to extend to you an invitation to be our guest speaker at the annual conference, which will be held at the speech hall of our department at nine o'clock, Saturday morning, November 11th, 2004.
As you know, the department is interested in the future development of the computer science. Since you are very familiar with the field, we know your views will be extremely interesting to us all.
You will receive further details later, but we would appreciate having your acceptance soon so we may complete our agenda.
Cordially,
Li Ming

【答案解析】[分析]
写作A是一篇邀请函，考生注意审读规定的情景和相应提纲，挖掘写作内容，做好字数方面的布局，然后按相应提纲逐项展开。写作时，要注意不同的写作对象和内容，注意语体措辞的得体性。