题目内容：

 

It was a 1.  Saturday afternoon in Oklahoma City. My friend ，a proud father Bobby Lewis was taking his two little boys to a park. He walked 2. to the assistant at the ticket counter and said, "How much is it to get in?"

The young man replied, "$3.00 for you and $3.00 for 3.    kid who is 4.  than six. We let them 5.  free if they are six or younger. How old are they?"
    Bobby replied, "Joe's three and David’s seven, so I guess I owe you $6.00."
    The man at the ticket counter said, "Hey, Mister, did you just win the lottery or something? You could 6. yourself three dollars. You could 7.  told me that the older one was six; I wouldn't know the difference." Bobby replied, "Yes, that may be   8.  , but the kids would know the difference."

In challenging times when ethics (道德规范)are more important than    9.  before, make sure you set a good  10.   for everyone you work and live with.