Tom’ s father bought him a small shop，and Tom sold milk，butter，cheese，eggs and other things in it．His shop was in a small town，and it was open on Tuesday，Wednesday，Thursday，F(xiàn)riday，Saturday and on Sunday morning，but it was closed on Sunday afternoon and on Monday．

Tom went to some farms on Monday and bought their best butter，cheese and eggs from the farmers，but he brought his milk in the town．A truck brought them to his shop in the morning．Tom and his wife worked in the shop，and they sold a lot of food because it was good and clean．

　 Once a fat woman came into the shop on Saturday．She bought some eggs and some butter，and she said to Tom’s wife．“Your eggs and your butter are dear today．Why are they dearer on Saturday and Sunday than on Tuesday，Wednesday，Thursday and Friday?”

　 Tom’s wife was unhappy．She looked at the fat woman and then she looked at Tom.But she did not give any answer．Then Tom smiled and said，“Our food is not dearer on Saturday and Sunday! It is cheaper on Tuesday，Wednesday，Thursday and Friday!”

(　 ) 51．Tom’s shop was open_____ a week．

　　　 A．for seven days　　　　　　　　 B．for five days

　　 C．for five days and a half　　　 D．for six days

(　 ) 52．What did Tom buy on Monday?

　　　A．Butter，cheese and eggs．　　 B．Milk．

　　 C．Meat and fish．　　　　　　　　　　　 D．Both A and B．

(　 ) 53．Why could Tom sell a lot of food in the shop?

　　 A．Because they were kind to others．

　　 B．Because their food was good and clean．

　　 C．Because they got a lot of money．

　　 D．Because they liked selling food．

(　 )54．Tom’s wife was unhappy because ________

　　 A．a(chǎn) fat woman said their eggs and butter were dearer on that day

　　 B．the eggs and the butter were not good on that day

　　 C．she didn’t know how to answer the fat woman’s questions

　　 D．Tom was not with her when the fat woman came

(　 )55．We can see from the text that Torn is very_______.

　 A．kind　 B．slow　 C．clever D.happy