某家中学生英文杂志以交通安全为题向读者征文，请你根据下列图画中Uncle Li的一次经历写一篇短文应征，短文可以适当增减细节。词数：100左右。生词：三轮车tricycle．昏迷lose consciousness

The other day Uncle Li left the bus station with a heavy box on his shoulder. Just then a young man riding a tricycle came and asked Uncle Li to pay four Yuan for riding him home. On the way Uncle Li asked him to ride slowly, but he just smiled and rode even faster. Suddenly the tricycle turned over. The young man was badly hurt and lost consciousness. Uncle Li was slightly hurt in the forehead. They were sent to hospital. Coming out of the hospital, Uncle Li made up his mind to take a bus.

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