根据短文内容判断正误。

It's Monday morning. The students are having English class. They are talking about their last weekend with their English teacher, Miss Liu.

There are 52 students in the class, 24 girls and 28 boys. All the students did their homework and read books on the weekend. 12 boys played basketball and 11 boys played football. 15 girls and 8 boys cleaned their room. Most students went outside and did outdoor activities(活动). Miss Liu went camping with her family and took many nice pictures. Unluckily (不幸的), She hurt one of her fingers when she cut the fruit. They all had a nice weekend!