题目内容：

假定你是李华，你校学生会在全校招募志愿者，为即将在你校举行的国际教育会议服务。请用英文写一封邮件申请参加。主要内容包括：

1.写信目的；

2.自我介绍；

3.希望获准。

注意：1.词数100左右；

2.文章的开头和结尾已给出，不计入总词数；

3.可适当增加细节，以使行文连贯。

Dear Sir or Madam,

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With all my best regards.

Yours sincerely,

Li Hua