一、联系上下文，在空白处填入适当的短语或句子
Lily: Max! Do you know any interesting story about numbers?
Max: Yes! A story about Archimedes counting sand.
Lily: How is it?
Max: The king said that his treasure was like stars and beyond measure (不胜其数). Archimedes proved him wrong.
Lily: How? With stars?
Max: He thought about the king's word 1. （）, and then 2. （毫不犹豫地答道）, "Stars are too far. Let's 3. （用沙子替代）!"
Lily: Sand? Like on a beach?
Max: Exactly! He drew a giant chessboard pattern. "Start with one grain," he said. "4. （） for each of the rest of the squares."
Lily: And the king promised to provide the sand?
Max: Yes, but by square 20, he was worried! 5. （） in his country, he still couldn't buy enough sand.
Lily: So numbers beat real wealth?
Max: Totally! Now I challenge you: At which square would we have enough sand to cover our whole city?

Long, long ago, a king in India loved to play chess very much. One day, a 1. old man came to the palace and the king 2. him to a game of chess. The king 3. to give him any 4. if the old man won the game. The old man wanted one grain of rice for the first square of the chessboard, two for the second, four for the third, and to 5. the amount for each of the rest of the squares. The king 6. how many grains of rice he would need but still 7. . Finally, the king lost the game and soon realized that he would not have enough rice to put on all the squares.