根据短文内容，回答问题。

     Look!   This is a picture of our classroom.  There are fifty desks and chairs in it.  They are for

 students.  On the desks are our books.  There is also a big desk in the classroom.  It's for our teachers.  

 Under the teacher's desk,  there are two basketballs and a football.  We can play basketball and football

  after class.  What other things can you see?  Yes,  there are two maps on the wall,  a map of China and

 a map of the world.  Our classroom is very nice.  I like it very much.

1. Is this a picture of our school?

    _________________________

2. How many students are there in our class? 

    _________________________

3. Is our teacher's desk big? 

    _________________________

4. What are under the teacher's desk?

    _________________________

5. What are on the wall?

    _________________________