Nevado del Ruiz is a mountain in Colombia. It is about 5, 321 meters high and it is popular with climbers. It is beautiful, but it is1 , too. The weather can change2 on the mountain.
One minute it is sunny, and the next minute it is cloudy. One minute it is warm, and the next minute it is3 . On a sunny morning in June, Leonardo Diaz began climbing Nevado del Ruiz with some friends. On the second day of their climb, there was a snowstorm. It was difficult to walk in the4 , and it was difficult to see. The climbers decided to5 and walk down the mountain. Leonardo stopped for a(n)6 to get something out of his backpack. When he looked 7 , his friends were gone. He couldn't see them or their footprints in the snow. "Wait!"Leonardo shouted. But his friends couldn't hear8 in the snowstorm.
All day Leonardo continued going downhill alone. That night he put up his tent, crawled inside, and slept. He was in big9 when he woke up the next morning. His clothes were not warm enough, so he was very cold. He was hungry, too, 10 he had no food left. He decided to11 for help. He opened his backpa ck and took out his cellphone. It didn't work. Leonardo had no more prepaid minutes(预付话费) on his phone.
All morning Leonardo stayed in his tent and the cellphone didn't work. He began to think, "Maybe I'll 12 on this mountain. " Then his cellphone13 . "Hello?" he answered. "Good afternoon, " a woman said. "I'm calling from Bell South Phone Company. You have no minutes left on your cellphone. Would you like to buy more minutes?""Yes, but not now!" Leonardo said. "I need help. I'm14 on a mountain. "
"Stay where you are, "the woman said. "I'll15 help. " Late that night, a rescue team arrived and helped Leonardo go downhill. Leonardo says he will probably try again to climb Nevado del Ruiz. But the next time, he will bring plenty of warm clothes and plenty of food. He will also bring a cellphone with plenty of prepaid minutes.
