①孙荣光的照相馆被没收           ②该照相馆走过“公私合营”的道路

③这是走合作化道路的典型表现     ④它反映了中国社会的历史变迁。

已知a﹣b=5，ab=3，则（a+1）（b﹣1）的值为（　　）

Joe Brown had a shop. He sold(卖) meat in his shop . One Thursday a woman came into his shop at five to one . “I’m sorry I’m late,” she said. “I need some more meat for my dinner tonight.” Joe had only one piece of meat in his shop. He took it out of the fridge and said, “This is＄6.50.”  “That piece is too small.” the woman said, “haven’t you for anything bigger?” Joe went into the room behind his shop, put the piece of meat into the fridge, took it out again and closed the door with lots of noise. Then he brought the piece of meat to the woman and said, “This piece of meat is bigger and more expensive. It’s ＄8.75.” “Good,” the woman said with a smile,“give me both of them.”

由于某种原因，人造地球卫星的轨道半径减小了，那么，卫星的（   ）