题目内容：

 

假设你是你校学生会主席王海。针对目前你校学生英语写作中存在的问题，你准备邀请英语专家Frank Jason教授来你校做一次关于如何提高英语写作水平的讲座。请根据以下要点给Frank Jason 写一封邀请信。

*1邀请的目的

*2讲座时间、地点

*3讲座内容

Dear Professor Frank Jason,

I am Wang Hai, the chairman of the Student Union of our school.                                                                               

                                                                               

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Yours，

Wang Hai