假设你是 Mary，根据下面中文提示写一篇不少于 70 个词的短文，介绍自己的学校、班级和学习情况。内容包括：
1、在巴蜀中学学习，两栋教学楼（classroom building），两个大操场，教室很大；
2、班上有二十一个男生和二十个女生；
3、8：00 开始上课，上午四节，下午两节；
4、所学的科目，最喜欢的课程及原因；
5、最喜欢的户外活动；
6、对校园生活的感受。
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【考点】学校生活．

【答案】My name is Mary.I"m a student in Yucai Middle School.There are two classroom buildings and two big playgrounds in my school．Our classroom is very big.We have twenty-one boys and twenty girls in our class.
   We start class at 8：00.There are four in the morning and two in the afternoon.I have many subjects，such as Chinese，math，English，music，art and so on.I like English very much，because its very interesting and useful.I often have sports with my classmates after class.My favorite sport is football.I think it"s good for my health．I am very happy to study in this school.