写作思路：从文章的写作目的、中心主旨入手，以使文章中心思想鲜明、深刻地表现出来，正文：
Dear classmates,
亲爱的同学：
Here we warmly welcome Miss Wilkinson. We feel very much honoured that we'll be taught by her. Miss Wilkinson is a middle school teacher of the United states. Five years ago she graduated from a university of Illinois,where she was born.
在这里，我们热烈欢迎威尔金森小姐。我们感到非常荣幸能由她来教我们。威尔金森小姐是美国的一名中学教师。五年前，她从她出生的伊利诺伊大学毕业。
Then she began to work as a teacher. Now she is already an excellent teacher with rich teaching experience. This year, she is invited to our school to teach us English for a year.
然后她开始当老师。现在她已经是一名优秀的老师，有着丰富的教学经验。今年，她被邀请到我们学校教我们一年英语。
We'll make good use of this chance and learn English even harder. We are sure that we'll make great progress in English especially in spoken English.
我们将充分利用这个机会，更加努力地学习英语。我们相信我们会在英语尤其是口语方面取得很大进步。
Wish Miss Wilkinson a happy life here! Now let's invite Miss Wilkinson to give us a speech.
祝威尔金森小姐在这里生活愉快！现在让我们邀请威尔金森小姐给我们演讲。