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   Jane Goodall is one of the most well-known scientists in the world. Much of the information we have today about chimpanzees comes from the research of Jane Goodall.
   Jane Goodall was born in London in 1934. She became interested in animals and animal stories when she was a very young child. She always dreamed of working with wild animals. When she was eleven years old, she decided that she wanted to go to Africa to live with and write about animals. But this was not the kind of thing young women usually did in the 1940s. Everybody was laughing except her mother. “If you really want something, you work hard, you take advantage of opportunity, you never give up, you find a way,” her mother said to her. The opportunity came at last. A school friend invited her to Africa. Jane worked as a waitress until she had got enough money to travel there.
   In 1957, Jane Goodall traveled to Africa. She soon met the well-known scientist Louis Leakey and began working for him as an assistant. He later asked her to study a group of chimpanzees living by a lake in Tanzania. Very little was known about wild chimpanzees at that time.
Jane spent many years studying chimpanzees in this area of Africa. It was not easy work. They were very shy and would run away whenever she came near. She learned to watch them from far away using binoculars. Over time, she slowly gained their trust(信任). She gave the chimpanzees human names such as David Graybeard, Flo and Fifi. Watching the chimpanzees, she made many discoveries. They ate vegetables and fruits. But she found that they also eat meat. A few weeks later, she made an even more surprising discovery. She saw chimpanzees making and using tools(工具) to help them catch insects.
   Jane Goodall has written many books for adults and children about wild chimpanzees. Her most recent book is called Hope for Animals and Their World. It tells about saving several kinds of endangered animals.

    You may know the song Happy Birthday very well. But do you know about its writer? It was written by an American girl. And she became very rich after that.

    When she was a child, she was poor. Once, her friend invited her to her birthday party. She was pleased but sad because she didn't have enough money to buy a gift for her.

    "The party is coming soon, but now I have little money." Tears ran down her face.

    Later that night she was in bed, thinking about the gift when the door opened and her grandma came in." What happened? " her grandma asked. Hearing the girl's story, she said, "Don't worry. I think I can help you. How about singing a song together? Happy birthday to …"What a beautiful song! They sang and sang. Suddenly she woke up. It was a dream! She decided to write it down at once and sing it to her friends at the party.

    When she sang the song at the party the next day, her friends were very happy. "How wonderfully you sing! We haven't heard such a beautiful song before. Thank you for giving me the special gift." said her friend. And they learnt to sing it together. Later the girl became well-known in America.

    People say that one person can't really make a difference, but I don't believe that. If all of us just do "one" thing like the following three heroes, we will make a difference.

Super Girl

    When she was 7, Brooklyn Wright wrote The Adventures of the Earth Saver Girl. In the book, a girl learns she has the power to make the Earth free from rubbish. She calls her Super Girl and tries her best to save the Earth. Brooklyn Wright has visited more than100 schools to teach students about pollution. Last year, she received a Gloria Barron Prize for Young Heroes for her work.

A Voice for Elephants

    Many elephants are being killed for their ivory. After learning the facts, China's Celia Ho, 14, decided to take action. By making posters and writing letters to newspapers, she hopes more people will learn about the problem.

Turning Cooking Oil into Fuel

    Jane Lin didn't start out "to be green" .At first, she was worried about her neighbor who couldn't afford heat in winter. At a science expo, she saw someone turning old cooking oil into fuel. Suddenly, she came up with a plan to collect old cooking oil for the poor family. So far she has collected about 21, 000 gallons of fuel for 210 families. At the same time, she helps reduce the emission（排放） of CO₂  and other greenhouse gases.

    One day King Henry was hunting in a forest. Towards evening he told his men to ride home by the main(主要的) road while he went home by another.

    As he came out of the forest, he saw a little boy. "Well, my boy," said the king. "Are you looking for your father?" "No, Sir," answered the boy. "I am looking for the king. They say he is hunting in the forest." Oh, if that is your wish, "said King Henry, "I'll take you to the place where you will see him."

    The boy got up and sat behind the king. On the horse, the king and the boy began to talk. "They say that King Henry always has many men with him," said the boy. "How can I know which he is?" "Oh, it's easy. All the other men will take off their hats, but the king will keep his on." "Do you mean that the one with his hat on will be the king?" "Of course." Soon they came into the main road. The king's men greeted the king by taking off their hats. "Well, my boy," said King Henry, "Which do you think is the king now?" "I don't know," answered the boy," it must be either you or I, because we both have our hats on"

    One Thursday afternoon, when I was in Grade 9, a new boy came into my classroom. He was short and thin. He walked up to the teacher and told her, very seriously, that he was new. His name was Christian. He sat down, took a look at me, and then looked away. I didn't think he was very nice and I was sure he wasn't the type I would like to make friends with.

    During that year, I didn't talk to him much, but he smiled at me when our eyes met, always shyly. He never ate lunch with anybody, and he never talked to anybody but me.

    But one day I joined those unkind kids who were making fun of him. We made fun of him though I thought it was wrong.

    "Haven't you got any friends?" a kid asked Christian, who had walked past us alone, with his head down.

    "No, he hasn't got any friends. He's too stupid and shy," I said. Then Christian looked up at me with the saddest dog eyes I had ever seen. I felt very sorry at that moment.

    That night, I couldn't sleep because I couldn't get Christian's face out of my mind. In the weeks that followed, be never met my eyes, in class and never smiled at me, It was really hard for me to decide to write him a note asking him. to forgive(原谅) me. But I thought I should.

    The next day in class, I wrote him a note telling him how sorry I felt. About five minutes later, I turned and saw tears in his eyes. "You will never realize what your apology(道歉) has meant to me, Jimmy," he said to me. "I hope we can become friends."

    We had lunch together that noon and we had the best talk I had ever had. Over the years at high school, we were close friends.

    When I think back, I realize that, if I had not apologized, I would never have known what a lovely person Christian was.

    Apologies can really change your life, so never miss the chance to tell somebody you are sorry.