请根据下面短文回答第66—70题.
     I often dreamed about Pisa when I was a boy. I read about the famous building called the Leaning Tower of Pisa. But when I read the word Pisa, I was thinking of pizza. I thought this tower was a place to buy pizza. It must be the best place to buy pizza in the world, I thought.
     Many years later I finally saw the Leaning Tower. I knew then that was Pisa and no pizza. But there was still something special about it for me. The tower got its name because it really does lean to one side. Some people want to try to fix it. They are afraid it may fall overand they don't like it leans over the city.
     I do not think it's a good idea to try to fix it. The tower probably will not fall down, it is  600 years old. Why should anything happen to it now? And, if you ask me, I like what it  looks like. To me it is a very human kind of leaning. Nothing is perfect, it seems to say.
     And who cares? Why do people want things to be perfect? Imperfect things may be more  interesting. Let's take the tower in Pisa. Wily is it so famous? There are many other older, more beautiful towers in Italy. But Pisa tower is the most famous. People come from all over  the world to see it.
      66. This passage is about______.
           A. Italian pizza
           B. the Leaning Tower of Pisa
           C. Why the writer likes Pisa
      67. The writer used to think Pisa______.
           A. the same as pizza
           B. not very famous
           C. not the same as pizza
      68. The Leaning Tower of Pisa is_____.
           A. modern
           B. falling down
           C. 600 years old
      69. The writer______.
           A. doesn't like what the tower looks like
           B. likes what the tower looks like
           C. thinks it's.the most beautiful tower in Italy
      70. The writer likes the Leaning Tower of Pisa because______.
           A. it's old
           B. it's perfect
           C. it's imperfect