Passage One Questions 61 to 65 are based on the following passage: One of the best-known proverbs must be “early to bed and early to rise make a man healthy, wealthy, and wise.” The promise of health, wealth, and wisdom to those who join the ranks of the early retirees and risers must be particularly appealing to many people in our contemporary society. There is no doubt that one of the greatest concerns of modern man is his health. It is estimated that in the United States $200 billion are spent on health care each year. The medical field has grown into such a big business that it employs 4.8 million people. Much more interest has been shown in prive medicine in recent years. This is probably due to the increasing costs of medical treatment, but the writings of such people as Dr. Kenneth Cooper have also played an important role. In his book Aerobics, Dr. Cooper communicated his message of the benefits of exercise so effectively that many other authors have followed in his trail, and literally millions of readers have put on their sports shoes and taken to the highways and byways of America. A recent survey showed that over 17 million people are jogging. Many of these are so serious that they trained themselves to run the 26 miles and 385 yards of the hard and tiring marathons (马拉松) that are organized all over the country. The last time I was in Honolulu, I was amazed to see hundreds of people, young and old, running for their lives. And I discovered many of them have run in the Hawaiian Marathon. Exercise has also become a major part of conversation. At a dinner party recently, the president of a bank asked me, “You look like a runner; how far do you run each day” A few days later when I appeared on a national television show, the host suddenly asked me if I was a regular runner. On both occasions the conversation turned to the subject of exercise and I found that this is a subject on many people’s minds. Why are the examples of conversation in the last paragraph used