It was an early morning in summer. In the streets, sleepy-eyed people were moving quickly, heading towards their 1 . This was the beginning of another 2 day in New York City. 3 this day was to be different.

　　Waiting 4 the crowded streets, on top of a 5 110 stories high, was Philippe Petit. This daring Frenchman was about to 6 a tightrope (绷索) between the two towers of the World Trade Center.

　　Philippe took his first 7 with great care. The wire held. Now he was 8 he could do it. 9 only a balancing pole, Philippe walked his way across, a 10 of 131 feet.

　　Soon the rush hour 11 began to notice. What a 12 ! There, 1,350 feet above the street, a 13 figure was walking on air.

　　Philippe made seven 14 , back and forth (来回). He wasn't satisfied with just 15 . At times, he would turn, sit down, and 16 go on his knees. Once, he had the astonishing 17 to lie down on the thin thread. And thousands of 18 watchers stared with their hearts beating fast.

　　After the forty five minute 19 , Philippe was taken to the police station. He was asked 20 he did it. Philippe shrugged (耸肩) and said, “When I see two tall buildings, I walk.”

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The dog has been man's best friend for thousands of years. Many stories are 1 of the bravery and faithfulness (忠诚) of dogs. There is even a village named 2 such a dog. It is the village of Bethgelert in North Wales. According to the old story, Gelert was a hunting dog of Llewellyn, the great lord (大领主) of the region (地区). One morning, when Llewellyn wanted to go hunting, he could not find Gelert and set off 3 him. On his return from the hunt, Llewellyn found Gelert 4 with blood. Llewellyn's baby was not in 5 bed and the bed itself was in disorder (凌乱). Thinking that the dog had eaten the child, he killed Gelert with his sword. The noise awoke the baby 6 had been asleep under a pile of bed coverings. To his 7 , Llewellyn heard his child's cry, and found it there, safe and sound. Under the bed was found a great wolf 8 by Gelert. The faithful dog had 9 the life of his master's child, but 10 his own because of a terrible misunderstanding.

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　　Drawing a picture is the simplest way of putting an idea down on paper. That is 1 man first began to write, six thousand years ago or 2 . The alphabet we now use came down to us 3 a long period of time. It was 4 from the picture-writing of ancient Egypt.

　　Picture-writing was useful in many 5 . It could be used to express ideas as well as 6 . For example, a drawing of a 7 meant the object “man”. 8 a drawing of a man 9 on the ground with a spear in him meant “ 10 ”.

　　Besides the Egytians, the Chinese 11 the American Indians also developed ways 12 writing in pictures. But only 13 much could be said 14 . Thousands of pictures would have been needed to express all the ideas that people 15 . It would have 16 many thousands more to express all the objects 17 to people. No one could 18 so many pictures in his lifetime. 19 could anyone learn the meanings of all 20 drawings in a lifetime.

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　　Many people hurt their backs when they try to lift heavy things from the floor. It is easy to hurt your back 1 when you try to pick up a heavy 2 . 3 , there is a correct way to lift things from the floor. If you pick up big or 4 objects correctly, you probably will not hurt your back.

　　To lift something from the floor correctly, first 5 your knees and squat down (蹲下). Keep your back 6 . Do not bend over from your waist; keep your back and hips and waist in a 7 . If you bend over, the muscles in your lower 8 can become hurt very easily. If you 9 your back and hips straight, the muscles are 10 , because they have much more 11 . The other muscles can then 12 the lower back muscles.

　　As you squat down, try to get as 13 to the object as possible. For example, if you are going to pick up a heavy box, squat down 14 in front of it. Maybe you will have to 15 your knees and legs. Put one knee on each side of the box. Remember 16 to keep your back straight.

　　Put your 17 under the object that is in front of you between your knees. To lift the object, you should stand up 18 . Use your 19 muscles in order to stand up. In other words, lift with your legs. 20 with your back.

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　　The story happened many years ago, on a stormy night. An old couple went 1 a hotel and asked the assistant 2 the counter for a room. That young man answered, “I'm 3 that all the rooms have been taken 4 .”He looked at the old couple and then said,“If you don't 5 , you can stay at my room.”

　　The old couple accepted the young man's 6 . The next day when the old man was to 7 the money for the room, the assistant said, “The room was 8 to you for free.”The old man said, “Such an assistant is 9 to get in every hotel. Perhaps some day I can set 10 a restaurant for you.”

　　When 11 this, the young man smiled and understood the old man's kindness. 12 he treated it as a joke and didn't keep it 13 mind. Many years passed. One day, the assistant 14 a letter from the old couple, 15 him to meet in New York. And a plane ticket was 16 here with it.

　　A few days later, the assistant 17 to a luxurious (豪华的) building in New York. Pointing at the big building, the old man said, “This is the hotel I set up for you.”“Are you 18 ?” the assistant dared not believe his own 19 . But the old man said with a smile, “You are the most suitable person for 20 the hotel.”

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　　Everybody knows Chales Chaplin, a world-famous funny actor. People 1 have laughed at Charles Chaplin's films until tears run 2 their faces. From his very first 3 they know what will happen. The little man is always with black moustache, wide open eyes, round black hat and 4 too large for his feet. He'll struggle through snow, and fall from windows. He'll fight men who are twice his 5 , fall in love with women, who 6 notice him and try to hug them.

　　The poor man that Charles Chaplin 7 in dozens of films makes all kinds of stupid mistakes. He is always in 8 , but he never 9 . He dreams of becoming a great man. Even people who 10 understand English can 11 Chaplin's films, because they are mostly 12 . It isn't what he says that makes people laugh. His comedy doesn't 13 words. It depends on little actions which mean the 14 thing to people all over the world.

　　Charles Chaplin raises his stick eyebrows or rolls his eyes. He hides 15 a fat lady or under a table to escape from his 16 . He dresses well and pretends to be a 17 and important man. It is also hopeless and 18 that he makes us laugh. This is the 19 of Chaplin's huge 20 .

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　　Tolstoy, the great Russian writer, liked to walk about in a railway station near his home. One day when he was walking up and down as 1 , looking at people getting on and off the 2 , he heard a lady 3 after him, “Hey, you old fellow, go and fetch my handbag in the 4 room which I 5 there.”

　　Tolstoy 6 there. He 7 the bag up and walked quickly along the platform (站台). 8 the same time the lady was waiting beside the carriage, looking 9 . When at 10 the old man gave the bag back to her, she opened it to 11 sure nothing was 12 . “Good, old man.” said the woman, “You are just as quick as I can 13 . Here you are.” She gave a copper (铜) coin to him. Tolstoy 14 the coin and put it into his pocket with a smile.

　　But the woman was very 15 when she heard that he was Tolstoy, the author (作者) of the great novel War and Peace. She 16 to Tolstoy and said,“Oh, excuse me… Oh, how silly I was to 17 you for a porter (脚夫). Please throw back that coin 18 you forgive (原谅) me.”

　　“Oh, madam, why? You have done 19 wrong.”Tolstoy laughed, “The coin is given for my job, so I'll 20 it. Thank you, madam!”

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　　Here in Alaska, the wolves almost disappeared a few years ago, because hunters were killing hundreds of them for 1 . However, laws were passed to protect the wolves 2 the sportsmen and also the people who 3 the animals for fur. So the wolf population has greatly 4 . Now there are so 5 wolves that they are destroying their own 6 supply.

　　A wolf naturally preys (捕食) on animals in the 7 family. People in the wilderness (荒原) also hunt deer for food. Many of the animals have been destroyed by the very 8 recently and by changes in the wilderness 9 life. When the deer can't find 10 food, they die.

　　If the wolves 11 to kill large numbers of deer, their prey will 12 some day. And the wolves will, too. So we must 13 the cycle of life in the wilderness to 14 the ecology (生态). If we killed more wolves, we would 15 them and their prey from extinction (绝种). We'd also save some 16 animals.

　　In another northern state, wolves attacked cows and chickens for 17 . 18 want the United States government to send a team of 19 to study the problem. They believe it is necessary to kill wolves in some areas and to protect them in places where there is a 20 wolf population.

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　　If you judge by the number of people who go to see the games and by the number of 1 who actually play it, basketball is probably the most 2 sport in the United States today. It is 3 an indoor game, and the 4 extends from late autumn, through the winter, to early spring. There are many professional teams; but for the most part, 5 is a school sport. There is 6 a high school or college in the country that does not have 7 team.

　　In spring and summer, the most popular sport is baseball. During the warm weather you can see young men and boys playing this game in any part of the 8 . Radio and television bring the details of the big games 9 every corner of the land, and the 10 of the professional team are a subject of conversation for Americans 11 .

　　In the autumn, the most popular sport is football. 12 you know, this is not the same kind of game that is so popular in other parts of the world. 13 basketball and baseball, it is typically (典型) American, and 14 who have never seen it 15 have difficulty 16 seeing any sense in it. But for most of people the game itself is not so important 17 the music and the cheering that 18 it. 19 a cool, bright autumn afternoon, there is nothing so colorful and 20 as a football game.

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　　American medical researchers have just reported the first scientific proof that even a small amount of exercise will help us 1 longer. The 2 was carried out by scientists at Harvard and Stanford universities, which were very famous in America. It involved (涉及) about 17,000 students who 3 Harvard between 1916 and 1950.

　　The scientists 4 their research in 1960. They collected a lot of facts and studied the medical 5 of every one in the study group 6 living and dead. Members of the study group 7 how much they walked, how many 8 they climbed, what kind of sports they 9 in for and many other things they 10 each week. The scientists checked information about height, weight, 11 pressure and family records of heart disease. Their research showed exercise helped 12 the chance of death from a number of diseases. They also concluded that sports and games 13 people's bodies and prevented them from putting on weight.

　　They found that two thirds of people who had heart 14 never exercised. 15 of the scientists said the most important 16 was that people who do not exercise have more heart diseases, but they 17 realize the importance of sports until they get the disease. He also said that it might be 18 now to get them to exercise when their doctors 19 them to. They 20 the doctors' advice very seriously and they want to keep healthy and have a longer life.

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