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    Rob Howes wanted to spend a day at the beach. He1 his daughter Nicky and her two friends, Helen Slade and Karina Cooper. They all went to Ocean Beach in New

    Zealand, where Howes was a lifeguard.

    The group swam and bodysurfed. Then they saw something2. "Suddenly, there are these fins," said Howes.

    The3 saw seven dolphins moving towards them. The dolphins seemed worried. They 4 the water with their tails. They kept moving in a circle around the swimmers. Then one large dolphin swamtowards Howes and Helen. Next, it dived(潜水) down underwater. That's when Howes saw something grey moving in the 5.

    A great white shark6 underwater. It wasn't far from the people. The shark headed straight towards Nicky and Karina. Now the shark was not slow. It moved 7 ! So the dolphins used their tails to swim even faster. Each one splashed its tail even more. Then Howes knew8 the dolphins did so. The dolphins didn't want to harm him and the girls. These sea mammals(哺乳动物) wanted to keep them 9.

    The dolphins stayed close to the group 10 the shark left. When Howes and the kids were safe, the dolphins swam away.

    "You want to say thank you and shake their flippers," Howes said. This isn't a fishy tale! These dolphins are heroes.

You can on the Internet.

—No, we don't. It is their festival, not ours.

—Don't worry. Let's go to the Science Museum instead.

—You mean each of pairs is 100 dollars, right?