Welcome to my school. There are 30 classrooms in my school. Look! That is the teaching building(教学楼).The building has two floors. The computer room and the music room are on the second floor. The teachers' office and the art room are on the first floor. My classroom is on the first floor, too. There are forty-five students in my class. I like my classroom. It's big and clean.
【小题1】There are thirteen classrooms in my school. (_______)