题目内容：

假如你是李华，最近在网上看到一则国际学校的暑期课程广告，你有意参加。请你根据所给提示（箭头所指内容），用英语给相关负责人写一封电子邮件，询问有关情况。

Summer School

Courses: Accounting and Finance; Economics; Engineering Dates: Session(上课时间) 1: 7 July — 25 July Session 2: 28 July — 15 August Rate: Standard Rate: One session:$1,400; Both sessions: $2,400 Reduced Student Rate: One session:$1,100; Both sessions: $1,875 Assessment and examinations: Everyone is required to take examinations. If you have any questions, please click here to see our Frequently Asked Questions/ Contact Us Page.

 

注意：词数100左右 （开头和结尾已给出，但不计入总词数）。

Dear Sir/ Madam,

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Yours sincerely,

Li Hua