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be end easy bird problem develop get noise high offer |
Nature is wonderful. It our best teacher. It teaches us a lot and we are born to learn from it to solve . For example, scientists used what they saw in nature to improve our way of travelling. In days of high-speed train research and , scientists were once faced with a noise problem. The trains pushed air through tunnels at speeds. So, when a train came out of a tunnel, it could be very, very However, kingfisher birds hardly make a sound when they get into lakes or rivers. Engineers a clever idea. They changed the front of the trains to match the shape of the kingfisher. Then the air could pass over the trains. The problem was solved!
The kingfisher example is just one that we learned from nature. Scientists study the smart models that nature can . Then they use their wisdom（智慧）and imagination to design new products. Nature provides us with possibilities to find wonderful ways to improve our lives. Learning from nature knows no bounds（永无止境）!
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he live final lucky people success achieve meet much be |
In October 2021, a local newspaper told a story of a common man, Jia Shuangdeng. He from Shaanxi Province. He not only works hard but has helped many deaf people a better life as well.
At the age of 14, something happened to Jia and turned him into a deaf person. Sad and heartbroken, he had to leave school and learned by at home for more than two years. Later, with other help, he cheered up and made a living by making shoes. He many diffculties but he faced them bravely and kept on working hard. , his shoes became popular and sold well. After a few years, he started his own factory and it was However, he didn't forget those who had helped him. So he decided to help the people in need. These years, he has offered many deaf people chances to work.
What he did has benefited (有益于) lots of deaf people. "The person I want to thank in my life is Mr. Jia. Thanks to him, I've got a good job and have a happy life now. He always tells us although we are disabled, we can also our dreams by working hard," said Xie Ting, who was helped by Jia.
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he win hour swim father seem unlucky hard talk end |
Rick Hoyt is American and he has a good job at the University of Boston. , he is in a wheelchair because of a serious illness. He can't either and he uses a computer for daily communication. However, he loves sport and wants to challenge in triathlon-a sports competition in which people swim 4 kilometers, bike 180 kilometers and run 42 kilometers. How can Rick make it as he can't swim, bike or run and sits in a wheelchair? It to be an impossible dream for him to realize.
Rick can take part because he does it with his father, Dick Hoyt. Together, they try their best to do the task in their life-in the running, his father pushes him in his wheelchair; in the , Rick lies in a small boat and his father swims and pulls him; in the cycling Rick sits in a special seat on the front of his bike.
Of course, the Hoyts never win the race. The winner of a triathlon usually completes it in about nine , but the Hoyts take much longer time. "That's right, "says the father. "We never win. But Rick and I think that we always win. "
Now the father and son have the respect (尊敬) of many people. And their courage also sets a god example for us all. It sends out the message how important it is that we believe in ourselves and never give up.
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he go take race world difficult well wide have be |
For most of us Chinese, Rick Clay might not be so popular. However, the name is known in the sports field. Rick Clay lives in Wellington, New Zealand. He is one of the top athletes (田径运动员). He first becane famous five years ago when he broke the 400m world recor.
Rick won five gold medals (奖牌) in the last few years. This year has been very for Rick, however. In May, he had bad luck because he hurt by accident while he was preparing for this year's Tokyo World Championships. He was to the hospital. The doctor said it was not serious but would still take some time for him to be all right again.
Ever since then, he has not run in any more.
Rick has tried to be positive (积极的) about his health. "It's been a hard year, but I'm getting, though it takes time," he said. "I love green plants and flowers. There many in my yard. I have done lots of gardening and spent more time with my family. So that's good.
The next world competition is in Sydney in December. "I really want to. But I'm not sure ifmy leg will be ready for the game. I do hope it will be by then."
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meter，stop，one，can，take，wait，your，sell，slow，wife |
It was nine on a cold winter night. I hurried to go home from work on my motorbike.
At the last crossing, while I was for the green light, I saw an old man walking toward me. He me and I felt a little nervous. The old man said "Excuse me. Could you please help me? "I looked at him up and down. He looked about 70 years old.
The old man took out a 10-yuan bill and said to me, "You see the old lady over there? She is selling baked(烤)sweet potatoes. Could you just the money and buy one from her? "He pointed at an old lady selling something about fiftyaway in the corner.
"But why don't you go and buy it ?""I was puzzles(迷惑的). The old man continued. "That old lady is my wife and it's her day to sell baked sweet potatoes. Just now I called her. She told me that there was only one sweet potato left and she wouldn't go home until all the sweet potatoes were .
But I know she can't stand the cold because her legs hurt. I'm very worried about her."
At that time, I understood why the old man asked me to buy his sweet potato. I felt really warm and moved. Without taking the money, I rode to the old lady quickly and bought the last one. As I waved goodbye to the old man. I see him standing there with a thankful smile.
