Once upon a time, there was a king who loved riddles （谜语）. Every year 1king made a new riddle. He gave a prize to the person who could solve the riddle.
There was a baker who lived in the kingdom. Everybody agreed that he baked the finest bread. The baker had almost everything except for a horse. If the baker2one, he could sell his fine bread from one end of the kingdom to the other. One year the riddle puzzled everyone. "Whoever wins will get 3 strongest horse, " the king promised. He then drew a line 4 the ground. " Make this line shorter without erasing （清除） any part of it, " the king said.
Lots of people tried. They put their noses to the ground to take a close look at the line. The dressmaker kicked dirt （泥土） over the line5 it. The farmer poured water over the line to make it disappear. None of these ways worked, and the people went home 6. The baker wondered 7 the problem. A week later, he came here confidently with a bag of flour. He poured out a line of flour next to the king's line. The line the baker made was 8 than the king's line.
"Your Majesty," the baker said to the king, "now your line is shorter."
Finally, the baker 9 a god horse by the king. He was exited 10he could sell his bread all over the kingdom now.
