题目内容：

    Many years ago, there lived two brothers on Mount Olympus. 1. elder brother was Prometheus. He was always thinking of the future and making things ready for what might happen tomorrow. The other was 2. Epimetheus.

Prometheus did not want to live with the gods. He wanted to live with humans 3. help them. One day he went down to Earth. He found the humans 4. in caves and shivering(颤抖) with cold because there was no fire. “If they had fire,” said Prometheus to himself, “they 5. warm themselves and cook food.” Prometheus went to see Zeus 6. was the king of the gods. He begged Zeus to give the humans fire so that they would not be cold. But Zeus refused.

Prometheus walked away in silence. 7. he passed by the seashore, he found a tall dry piece of grass. He took it and carried it to the place of the 8.. Prometheus touched the grass to the sun's flames. It caught on fire and burned slowly 9. a candle. He built a fire for the humans and showed them how to build 10. own. Soon there was a warm fire in every home. Men and women thanked Prometheus for his wonderful gift.