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Ariel rode her bike to Wildlife Refuge and planned to go walking and bird-watching. A mile into her walk. she noticed a swan (天鹅). Ariel worked at a wild bird rehab (康复) center ________ knew this kind of swans can be aggressive (攻击性的). But as she came near to this one, it didn’t _________.

She was certain that the ________ needed medical attention. Ariel covered her jacket over the bird’s head to keep it still and held it in her arms. Her best ________ was the rehab center. However, that was on the other side of town. How could she ride her bike carrying the 17-pound swan? Luckily, some strangers ________ her a lift to a nearby subway station.

Ariel called the rehab center on the subway, and Higginbotham, a manager, ________ Ariel at the subway station and drove them to the rehab center. There, staff members checked that the swan might have lead poisoning (铅中毒) ________ eating something on fishing lines.

________, even with all that care, two months after the swan came to the center, it died. It’s a bad ending. But the real story is that some people are willing to go far to ________ a swan in the big city. “In all, Ariel traveled two hours on foot, by car and ________,” says Higginbotham. “That’s the spirit we want in everyone,” he added.