【正确答案】
Ladies and gentlemen,
How time flies! It was here that we gave Prof. Kerry Stubbs a hearty welcome two weeks ago. We are now here again to bid him farewell.
As you know, Prof. Stubbs is weI1 known to the world for his great achievements in the field of mathematics. During his stay here, he has visited many universities and colleges and given us many lectures on it. He has also made a tour to many parts of our country. He will leave for home tomorrow morning. We, therefore, sincerely hope that he will benefit us with some advice and valuable suggestions.
Finally, we want to take this opportunity to beg him to convey our profound friendship and best regards to his people.
Now let's invite Prof. Stubbs to speak to us.

【答案解析】[分析] 是一篇欢送辞，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和写作目的，注意语体措辞的得体性。参看范文，注意相关的句式和词汇的积累。