题目：
根据句意和提示写出单词。
1. —When is your b_____, Maria?
—My birthday is August 10th.
2. Mr.Smith's daughter is eleven y_____ old this year.
3. Every year they have an Art F_____.
4. J_____ is the first month of a year.
5. I like listening to relaxing m_____ in my free time.
6. I know your a_____. You are twelve years old.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：E解析：龋面均公式：龋失补牙面数／受检人数，所以（210+10+15）／50=4．7，故此题选E。考点：龋面均的概念计算
