A:I think I’clever than you.
B D：really?Don't you know I'm a doctor(博士)
C:That'nothing.Doctor’s Chinese meaning is the same as the spider(蜘蛛) in chinese.
B D：Well,if you can answer our two quiestions you must clever than me.
A C:OK
B:who is closer(更近)with you your mother or your father?
A:let me think...mother because father is further.
D:why is a river rich?
c:so easy!because it always has two banks(银行、岸)
AD：oh!my god!we can't say anything now!