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Dolphins(海豚) are clever and lovely animals. Many people like them. Let me tell you some interesting things a    them.
Like(像) people, each dolphin has a “name”. I    is a special whistle.(哨声). And dolphins t     to each other about lots of things, like their age, their hobbies or finding food. But understanding(理解) them is not e   for people.
Like people, dolphins like to get t      and play games. They also have a lot of f     when they play games.
Dolphins and people b make plans when they want something. In the sea of Brazil ( 巴西), dolphins use an interesting way to g     the food. When fish are n     a boat, dolphins signal(发信号) to the fisherman(渔民). And the fishermen catch a lot of fish. Why do dophins h        the fisherman? haha, they can get some of the fish.