Once there was a war n. 战争 ______ the North and the South in America.

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One day, a poor boy was selling goods from door to door to pay for his tuition fees (学费). He was hungry. He d___1____ he would ask for a meal at the next house. However, he lost heart w___2____ a lovely young woman opened the door. He asked for a drink of water and the woman agreed. She thought he looked hungry, so she b___3____ him a large glass of milk. He drank it slowly, and then asked, “How much do I owe (欠) you ?” “You owe me nothing, ” she r___4___. “Mother has taught us never to accept pay for a kindness.” He said, “Then I thank you from my heart.”
Years later, that young woman become seriously i__5___.The local doctors all f__6___ to cure her. They finally sent her to the big city, where they called in specialists (专家) to study her rare disease. Dr. Howard, who o__7__ got a large glass of milk and a meal from the young woman, was called in for the treatment. He went down the hall of the hospital to her room when he heard the name of the town she came from. D__8____ in his doctor’s uniform, he went in to see her. He recognized (认出) her quickly. He made up his mind to do his best to save her life and pay special a__9_____ to the case. After a long struggle, the battle (战役) was won. The woman n__10____ these words when she paid the pill: “ Paid in full with one glass of milk… Dr. Howard Kelly..”

Around the world more and more people are taking part in dangerous sports and activities. Of course, there have always been people who have looked for adventure(冒险)---those who have climbed the highest mountains, traveled into unknown parts of the world or sailed in small boats across the greatest oceans. Now, however, there are people who look for an immediate excitement from a risky(冒险的) activity which may only last a few minutes or even seconds. I would consider bungee(蹦极) jumping to be a good example of such an activity. You jump from a high place(perhaps a bridge or a hot-air balloon) 200 meters above the ground with an elastic(有弹性的) rope tied to your ankles. You fall at up to 150 kilometers an hour until the rope stops you from hitting the ground. It is said that about 2 million people around world have now tried bungee jumping. Other activities which most people would say are as risky as bungee jumping include jumping from tall buildings and diving into the sea from the top of high cliff(悬崖).

For the reasons, some psychologists explain that many people think their life in modern societies has become safe and boring. Not very long ago, people’s lives were constantly(持续的) in danger. They had to go out and hunt for food, diseases could not easily be cured, and life was a continuous battle (战争)for survival.

Nowadays, according to many people, life offers little excitement. They live and work in comparatively safe conditions; they buy food in shops; and there are doctors and hospitals to look after them if they become ill. The answer for some of these people is to look for danger in activities such as bungee jumping.

1.Are there many people who are taking part in the dangerous sports?

2.How many kinds of dangerous sports does the writer refer to?

3.How long does a bungee jumping usually last?

4.What do many people think of their life nowadays?

5.What does the writer tell us in the last two paragraphs?