Long long ago, there was no paper in the world. People had to write characters(汉字) in bamboo slips or stones.Then there was a man named Cai Lun who was a Chinese man. He made people use all kinds of things to invent paper. From then on, people can use paper to write on. Paper is a great invention. We always remember the great inventor Cai Lun. Nowadays paper is very useful in our work, study and our life.It really means a lot to human beings

 The crowd at the airport rushed forward. The passengers had been waiting for a couple of hours for an airport worker to open the door leading to the plane outside. No one was in a good mood. An old man got stuck in the middle of the rush, He fell down and his head hit the hard floor. B1ood came out of his head. He appeared to be unconscious. Everyone rushed past him, except for Dana. She called for help.

 A minute later, a young airport worker showed up. Hardly looking at the old man, she told Dana to get on her plane. She said the old man would be okay, and walked away.

 Dana cried for help. Another airport worker appeared. He told Dana to get on the plane. Dana said that she was not moving until an ambulance(救护车) arrived. The worker said her plane would leave without her. Dana said that she didn't care.

 An ambulance with a doctor and a nurse finally arrived. They put him into the ambulance and drove off.

On her way out to the plane, which was still refueling(加油), Dana saw the worker who didn't care about the old man at the very beginning. The worker said, “You're lucky the plane didn't leave without you.”

 “The plane?” Dana asked.“Who cares about the plane? How could you be so cold? That was an old man; he could have been your grandfather! How would you like it if everyone just stepped over your grandfather and went on their way?”

    An eight-year-oldgirl heard her parents talking about her little brother. All she knew was thathe was very sick and they had no money. Only a very expensive operation (手术)could  1 him now and there was no one to lend themthe money.

    When she heard her daddy say to her tearful mother, “Only a miracle (奇迹)can save him now,” the little girl went to her 2 and pulled all her money from itshiding place and counted it 3.

    She hurried to a drugstore（药店）withthe money 4 her hand. 

  “And what doyou want? asked the salesman. “It's for my little brother,” the girlanswered. “He's really, really 5 and I want to buy a miracle.”

  “Pardon?” said the salesman.

  “My brother Andrewhas  6  badgrowing inside his head and my daddy says only a miracle can save him. So howmuch does a miracle 7?”

  “8we don't sell a miracle here, child. I'm sorry,” the salesman said with a smile.

  “Listen, 9 it isn't enough, I can try and get some more. Just tell me 10 it costs.”

    A well-dressedman heard it and asked, “What kind of miracles does your brother need?”

  “I don't know,” she answered with her eyes full of  11. “He's really sick and mum says he needs an operation. But my daddy can't pay for it, so I have brought all my money.”

  “Howmuch do you have?” asked the man. “$ 1.11, butI can try and get some 12 money,” she answered.

  “Well, what a luck” smiled the man.“$ 1.11, the price of a miracle for little brothers.” He took up the girl's hand and said, “Take me to where you live. I want to see your  13 and meet your parents. Let's see if I havethe kind of miracle you need.”

    That well-dressed man was Dr. Carlton Armstrong, afamous 14. The operation was 15 and it wasn't long before Andrew was homeagain.

A Smart Dog

    Rico is a dog who lives in Germany,{#blank#}1{#/blank#}When his owner says the name of a certain toy, Rico can find it. In fact, he seems to know the names of 200 toys!

    {#blank#}2{#/blank#}. They put his toys in a room and then told him to go in the room and find a certain toy. Since nobody was in the room with Rico, he had no help from anyone finding the right toy. The researchers did this test forty times. Rico found the right toy thirty-seven times!

    Then the researcher tried something else. They put seven of Rico's toys in the room and one new toy that Rico had never seen before.{#blank#}3{#/blank#}. This new toy had a name Rico had never heard before. Rico found the right toy seven out of ten times.!

    Researchers cannot really say that Rico know words or languages.{#blank#}4{#/blank#}They believed Rico can think about what he hears and thin about what he knows. In fact, Rico seems to thin and remember thins as well as three-year-old child.

    From these tests, animal researchers know one thing for sure. Rico has given them a lot to think about.