听录音，选择适当应答。
（1）A．It means “No littering”． 
B．It means “No parking”．
C．It means “No cycling”． 
D．It means “No smoking”．
（2）A．They are going to open the box．
B．They are going to stay away from the box．
C．They are going to close the box．
D．They are going to the box．
（3）A．In the park．      
B．In the computer room．
C．In the reading room． 
D．In the playground．
（4）A．Five．    B．Two．     C．Three．      D．One．
（5）A．Yes，it is．      
B．Yes，it’s a sign．
C．Sorry，I don’t know． 
D．It’s a public sign．
（6）A．Yes．it is．      
B．No，I can’t．
C．No，I am not．     
D．No，I can．
（7）A．Yes，the teacher．     
B．The cook．
C．The park keeper．  
D．The doctor．
（8）A．There are three．     
B．There are two．
C．There’s only one．  
D．There are four．