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Tail Spin

    Two dolphins race around in a big pool in the Ocean Park. The smaller dolphin Grace, shown off a few of her tricks, turning around and waving hello to the crowd. The most amazing thing about her, however, is that she's even swimming at all. She doesn't have a tail.

Grace lost her tail as a baby when she got caught up in a fish trap. When the dolphin arrived at the Ocean Park in December 2005, she was fighting for her life. “Is she going to make it?” Her trainer, Abbey Stone, feared the worst. Grace did make it — but her tail didn't. She ended up losing her flukes and the lower part of her peduncle.

Over the past six years, she has learned to swim without her tail. Dolphins swim by moving their flukes and peduncle up and down. Grace taught herself to move another way—like a fish! She pushed herself forward through the water by moving her peduncles from side to side.

    The movement put harmful pressure on Grace's backbone. So a company offered to create a man-made tail for her. The tail had to be strong enough to stay on Grace as she swam but soft enough that it wouldn't hurt her.

    The first time Grace wore the artificial tail. She soon shook it off and let it sink in the bottom of the pool. Now, she is still learning to use the tail. Some days she wears it for an hour at a time, others not at all. “The tail isn't

necessary for her to feel comfortable,” says Stone, “but it helps to keep that range of motion(动作) and build muscles(肌肉).”

    Now, the dolphin is about to get an even happier ending. This month, Grace will star in Dolphin Tale, a film that focus on her rescue and recovery. Her progress has inspired more than just a new movie. Many people travel from near and far to meet her. Seeing Grace swim with her man-made tail gives people so much courage.

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    Tang Dynasty poets sang for about three centuries in different tones. There were many famous poets living in the Tang period such as Li Bai, Du Fu, Bai Juyi and Li Shangyin. Poems of the Tang Dynasty edited in the Qing Dynasty is a collection of more than 48,900 poem that were written by over 2,200 poets. But it didn't cover all the poems of the Tang Dynasty.

    During the Tang Dynasty, poems were recited when lovers walked under the moonlight. Poems were also recited when soldiers fought on the battlefield. People recited them in the open air or at temple fairs.

    Tang Dynasty poets wrote poems to win fame and also to develop their temperament(性情). They poured out deep feelings for their friends and criticized in injustice in the world through poems.

    In the Tang Dynasty scholars had to be poets. Their readers were not only people of high social position but also common people. Poets recited poems, women singers sang poems and other ranks of people, including old women and children, read Tang poems. This atmosphere affected foreigners who visited the country at that time. As a result, Tang poetry was introduced to some adjacent countries, like Japan and Vietnam.

    Tang poetry is a most brilliant page in the history of ancient Chinese literature. It's a miracle in the cultural history of mankind. The Tang Dynasty was a powerful empire with a vast territory. It inherited(继承)Chinese civilization that went back to ancient times, was combined with the best of other cultures and adopted the benefits of other nations in the world. Tang poetry wasn't the only spiritual wealth created by the Tang Dynasty people. Philosophy and religion, handwriting and painting and music and dance all gained new peaks of development. Tang poetry, however, was the jewel in the crown and its greatest achievement.

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How to Prevent Dehydration

    When the weather's warm, you need to make sure you drink enough water. But did you know that you lose your sense of thirst as you get older? This means you5re more likely to become dehydrated, making you more prone to (有倾向) falls, heart disease, urinary-tract infections, kidney stones and confusion. A study from Loughborough University in the UK has shown that drivers who had only a little water an hour made twice as many mistakes as motorists who were properly hydrated. In fact, they made a similar number of errors to what you'd expect from someone over the drink-drive limit.

    So how do you know when you're dehydrated? Warning signs include:

    Feeling tired

    Dry mouth and dry skin

    Dark urine

    Reduced appetite (食欲)

    Reduced concentration

    Headache

    Constipation.

    But you might not notice any symptoms (症状)at all，so to make sure you stay hydrated:

    Keep a glass of water by your side when you're at home, and drink it regularly.

    Form a new drinking habit—for example, when watching TV, always reach for the water glass during an ad break.

    Take a small bottle of water with you when you go out.

    Always drink a large glass of water with a meal.

    Eat fruit and vegetables with high water content.

    Draw up a weekly water card—a bit like a coffee loyalty card—with a target of eight glasses of water a day. Mark it every time you have a glass of water. Award yourself a prize when ifs full at the end of the week.

    Drink water before, during and after you take any exercise.

    You probably know who Marie Curie was, but you may not have heard of Rachel Carson. Of the outstanding ladies listed below, who do you think was the most important woman of the past 100 years?

    Jane Addams (1860-1935)

    Anyone who has ever been helped by a social worker has Jane Addams to thank. Addams helped the poor and worked for peace. She encouraged a sense of community(社区)by creating shelters and promoting education and services for people in need. In 1931, Addams became the first American woman to win the Nobel Peace Prize.

    Rachel Carson (1907-1964)

    If it weren't for Rachel Carson, the environmental movement might not exist today. Her popular 1962 book Silent Spring raised awareness(意识) of the dangers of pollution and the harmful effects of chemicals on humans and on the world's lakes and oceans.

    Sandra Day O'Connor (1930-present)

    When Sandra Day O'Connor finished third in her class at Stanford Law School, in 1952, she could not find work at a law firm because she was a woman. She became an Arizona state senator(参议员) and in 1981, the first woman to join the U. S. Supreme Court(最高法院). O'Connor gave the deciding vote in many important cases during her 24 years on the top court.

    Rosa Parks(1913-2005)

    On December 1,1955, in Montgomery, Alabama, Rasa Parks would not give up her seat on a bus to a white passenger. Her simple act landed Parks in prison. But it also set off the Montgomery bus boycott(抵制). It lasted for more than a year, and kicked off the civil-rights movement. "The only tired I was, was tired of giving in," said Parks.

 "Mommy!"I called over my shoulder. "Grace is here!" Our neighbor, Grace, stood on our front door holding a cardboard box. 

It took Mom a few minutes to get to the front door. At forty-two, her health wasn't good. She smiled at our next-door neighbor. "Come in and have a cup of coffee." "I can't stay, Nancy," Grace answered. "I just thought you all might be able to use some of this food. We get more at those giveaways than we can use." I felt relieved that Grace couldn't stay. She was friendly enough, but she and her husband drank a lot and they were given to loud arguments late at night. Sometimes, the police had to come and break up the fights. I was a little frightened of them. Grace placed the box on the kitchen table. Mom, who was not the sentimental type, got tears in her eyes."Grace! We can't take this."

Dad wandered in from the bedroom where he had been napping. He wasn't dealing very well with the unemployment at the processing plant. "We don't accept charity," he said. "Now, Jim," said Grace, "this is no time for your pride. You have two little girls and a sick wife to think of. This isn't charity. It's one neighbor helping another." I stood a little distance from the grownups, looking into each of their faces, wondering what was going to happen next. "I thank you kindly," Dad said at last.

When she was gone, we examined the contents of the box. It wasn't what we were used to. Mom smiled and said, "This will get us through for a couple of weeks." The gesture from Grace confused me because she wasn't family, or close friends with us. Even though I didn't like most of the food in that box, I knew there was something significant about this woman's generosity. She didn't have much to give, but she gave what she had at a time when our family needed help.