题目内容：

假定你是李华，计划寒假找份兼职工作．下面的招聘广告引起了你的注意，请根据要点（箭头所指内容）写一封申请信．

注意：1．词数：100左右；

2．可适当增加细节，以使行文连贯；

3． 开头和结尾已经为你写好，不计入总词数．

Dear Mr． Smith，

I've read your advertisement for a volunteer for children's winter camp．

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Yours，

Li Hua