1. 看下面的图表，然后回答问题。

                                                      

Welcome to the zoo
Opening：	Fee（费用）：
Monday to Friday	Adult（成人）：＄10.00
10:00 am~6:00 pm	Ages 13~15:＄7.50
Saturday to Sunday	Ages 4~12:＄5.00
9:00 am~8:00 pm	Under 4:Free
Try out Train Ride for＄2.00 one person

1. （1） At what time does the zoo open on Wednesdays?
   

3. （2） At what time does it close on Saturdays?
   

5. （3） How many days in a week does the zoo open?
   

7. （4） Peter is ten years old. How much does he pay（付钱）to go to the zoo?
   

9. （5） Mrs Chen and Bob go to the zoo. Bob is three years old.How much do they pay to go to the zoo?