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　　Dolphins are our friends．They can use tools to solve problems although they don't have hands．For example, scientists have ever found that a dolphin can make a shy eel(鳗鱼)come out of its hole with a dead fish．

　　Dolphins use different sounds to exchange information with each other．Scientists in Hawaii have developed a sign language to give instructions to dolphins, and the results are amazing．They find that dolphins not only understand the meaning of individual(个别的)words, but also understand the importance of word order in a sentence．

　　Most animals enjoy playing－but dolphins seem to like making their games as challenging as possible．On a beautiful day in 1997, scientists at a beach watched a little dog going into the sea and swimming towards the dolphins．To their surprise, the dolphins came up to the dog and then started throwing it into the air．The dog seemed to enjoy the "game" and continued playing with the dolphins for more than an hour．

　　Dolphins live in a very different world from ours, but they are very good at our "IQ tests”．For example, they will jump out of the water when they hear a whistle(口哨)noise．They do this because they will get a fish as a prize．

　　There is still much to learn about these cute problem-solvers, but it is certain that watching a dolphin show is fun．

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　　Many children in America enjoy hunting for the Easter eggs．Easter is a celebration associated with(与……有关)the Christian religion,but Easter eggs go back to ancient festivals that celebrate the coming of spring．Easter usually comes in April,as the grass is beginning to turn green,flowers are beginning to bloom,and the weather is getting warm Children and their parents first select clean, white chicken eggs,boil them until they are hard, and cool them immediately．Then the fun begins! The children have bought little pills of different colors．The colored pill is dropped into water in a cup．along with vinegar and stirred(搅动)until it has melted．Then the egg is put into the cup until the egg is dyed a beautiful color．

　　After the eggs have been dyed an adult takes them outside and hides them in the yard－perhaps under a flower or behind a tree．A small group of children are invited to find the Easter eggs．For every young children,the hiding places are easy and adults will help them．For older children,the hiding places are more difficult．There is usually a prize．Maybe a chocolate,for the child who finds the most eggs．

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　　Think rock, paper, scissors is a children’s game? Think again．

　　Top players from around the world came together in Toronto to compete for a ten thousand Canadian dollar prize and the title of world champion．

　　More than 500 players, including national champions from Australia, Norway and New Zealand, attended．

　　The simple game is often used to make decisions and solve some simple problems．

　　Players hold their fists closed and count to three before making a fist(rock), a flat hand(paper)or two fingers(scissors)．Paper covers rock, scissors cut paper and rock breaks scissors．

　　Players have different ideas about the history of the game, but it is commonly believed to have been played for centuries in Japan．

　　The Paper Scissors Stone Club opened in England in 1842 and players could play together there．

　　In 1918, the name was changed to World RPS Club and its headquarters moved from London to Toronto．

　　The world championship has been held since 2002, which is held once every year．

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