读短文，选出正确的答案。

     Welcome to my school. There are 30 classrooms in my school. Look, this is the big playground. In this

building(大楼),you can see the gym, the library and the art room on the first floor. There are many

storybooks and picture books in the library. You can read books in it.  My classroom is on the second

floor. It's big and clean,  I like it.

1. There are ____________ classrooms in my school.    

A. thirty              

B. thirteen

2. The playground is___________.     

A. small              

B. big

3. The library is on the __________. floor.   

A. first                

B. second

4. My classroom is___________.                    

A. clean             

 B. small

5. I _________my school.

A. don't like            

B. like

属于《建设项目环境保护分类管理名录》规定的环境敏感区的是( )。

A．水杉林

B．红树林

C．桉树林

D．榕树林