1970 was World Conservation (保护) Year. The UN wanted everyone to know that the world was in danger. They hoped something could be done.

    Here is one example of the problem. At one time there were about 1,300 kinds of plants, trees and flowers in Holland, but now only about 866 are left. The others have been destroyed by modern people and their science. We are polluting earth, air, water and everything around us. We can't live without these things. If things go on like this, we shall destroy ourselves.

    What will happen in the future? Perhaps it's more important to ask "What must we do?". More and more young people have known this. Many of them are helping to save our Earth. For example, they plant trees. In a small town in the United States, a large group of girls cleaned the banks of 11 kilometres of their river. Young people may hear about conversation through an album called "No One's Gonna Change Our World". It includes songs of Cliff Richard and other singers. The money from selling it will help to conserve tigers, elephants and pandas on Earth.

Back home, Qian at once {#blank#}1{#/blank#} helping China develop a space program. He started the Institute of Mechanics in Beijing, where he trained young scientists. He worked on many important space {#blank#}2{#/blank#}. In 1960, China's first rocket and first missile were launched(发射) {#blank#}3{#/blank#}. In 1970, China launched its first satellite. It is largely because of Qian's {#blank#}4{#/blank#} that China so quickly developed a space program, and became only the third country to send a manned rocket into space in

2003. 

Qian watched this rocket launch on television. He was by he will always be {#blank#}5{#/blank#} for his great contributions(贡献). He working so hard for his country, even through difficult times, helping develop the space program that pushed China into the future. 

Helen Has Changed

Little Helen lived with her parents and lived a happy life. However, little. Helen got {#blank#}1{#/blank#}(使分开) from her parents this term. Her parents {#blank#}2{#/blank#}(离开) for a big city to make money. Little Helen had to live with her grandparents. She went to a new school in her home town. At first, she felt {#blank#}3{#/blank#}(孤独的;寂寞的). She thought others didn't like her, so when others wanted to make friends with her, she always {#blank#}4{#/blank#}(拒绝). And she never 

{#blank#}5{#/blank#}(解释;说明) the reasons to her classmates. She always kept quiet in the classroom and never {#blank#}6{#/blank#}(提及;谈到)her parents at school.

Miss White, her teacher, noticed that. She {#blank#}7{#/blank#}(介绍) Helen to the classmates. Miss White also encouraged her to {#blank#}8{#/blank#}(参加;加入) in all kinds of after-school activities with them. Miss White gave Helen {#blank#}9{#/blank#} (建议) on how to make friends with others. Day by day, Helen's new classmates make friends with her.

Helen has her {#blank#}10{#/blank#}(最好的) friend Tina and they often help each other. She has completely changed. Now, Helen is a happy girl with a bright smile.

A daughter graduated from college. Her father planned to teach her a 1 . He said to her, "My darling, you have grown up. Now I'm considering 2 .my car, and can you help me get a good price for it?", The daughter agreed. Then the father asked her to take the car to 3 .places and then choose the best 4 .

The daughter knew that her father's car was a good one. She was 5 .that the car was worth a good price although it looked pretty old. She went to the first place—a used car market, and they offered her $1, 000. Then in a pawn (典当) shop, she was told the car was worth just $200, which really 6 .the daughter. Finally, she went to a car club. The workers there told the daughter 7 .that the car was very hard to 8 .in the market because it had been no longer in production and that they wanted to buy the car any time at $50, 000 and even more. 

The daughter told these 9 .to her father. The father said, "Don't be surprised. The value (价值) of the car is different in different places. Only the right place can give you the right value. Therefore, if you are not appreciated (赏识) by someone, do not be angry. It just means you are in the 10 .place. You should move on and go to a better place where you can certainly go far."

 Last Saturday, we went to Yan' an Revolutionary Memorial Hall(延安革命纪念馆) with our teacher. We had great fun taking the bus and talking with our friends in such fi ne weather. It took us about half an hour to get there. We spent all day visiting there. I was excited to learn more about the history of this place.

 There are nine revolutionary memorial halls. Revolutionists (革命先辈) left a lot of important things there. So it is a very important revolutionary place. After listening to the guide, we knew a lot about the history and spirit (精神) of Yan' an. They are so great. I want to know more from this visit.

 In one of the halls, Ma Mei, my classmate, used her phone to take videos (视频) and photos of the old things. She wanted to show these videos to her parents. I also took some photos. I wanted to tell some stories to my younger sister, because I was really moved (感动) by Yan' an spirit. We live a happy life now because of these revolutionists, so we must show our thanks to them by studying hard for a more beautiful country.