56. The underlined word "dare" in Paragraph 1 is closed in meaning to ________.
A. courageB. assistance
C. instruction
D. challenge
57. Why did Jack tell Tom and Martin the story ?
A. To frighten them.B. To satisfy their curiosity.
C. To warn them of the danger of the place.
D. To persuade them to camp in the swamp.
58. Why did Dennis ignore the warning of the old man ?
A. The old man envied him.B. The old man was foolish
C. He was too busy to listen to others.
D. He was greedy for more crops.
59. Why did Tom scream and faint ?
A. He saw Dennis's shadowB. He was scared by a plant
C. His friends played a joke on him.
D. The weather became extremely cold.
60. What lesson can we learn from the story of Dennis ?
A. Grasp all, lose all.B. No sweat, no sweet.
C. It is no use crying over spilt milk.
D. He who makes no mistakes makes nothing.