Catherine was a famous writer of childrens stories. She lived in a fine old house in a small town near London. Often she worked at home, in her quiet 81._.Long before her books became popular, she had tried to teach 82 how to use a computer. And now she typed（打字）all her stories on her computer. But sometimes she had to 83 the house to get some books from the library or have a meeting. She didnt like being away because she was worried about burglar（盗贼）.So she was very careful. Just before leaving, she always put a full cup of coffee on the writing desk, and left the radio playing to make a burglar think someone 84 be at home.One day she came back after a day out, and found that there was something different in her house. There was only a little 85. lift in the cup, and the radio was off. But when she looked at her computer, she saw it was 86. , and someone had typed in a new story. She had no idea who had got in, or how, because none of the doors or windows was broken. Then she sat down to read the story. To her surprise, it was a very good one. Ill use it in my 87. book! she said 88 .The next month she had to go to London. She put a cup of coffee and a plate of sandwiches on the desk. When she returned, the coffee and the sandwiches had 89. .She ran to the computer. This time there was only a 90. on the screen（屏幕）.ITS NOT YOUR STORY.ITS MINE! it said.As we all know , the Great Pyramid is one of the most f_(81) symbols of ancient culture .It has a h_(82) of about 5000 years . It l_(83) in Egypt , near the Nile River .And it covers an area of about 13 acres(英亩). The pyramid was m_(84) of blocks of stone . There used to be treasures and the b_(85) of the kings and queens in it . Because the kings thought that they would come back t_(86) life one day . So they made the people to build the Great Pyramids for t_(87). It took ancient Egyptians over 20 years to finish setting up such a great building . The Great Pyramid has been a subject for many scientists to research on s_(88) it was discovered . Scientists want to know h_(89) the ancient Egyptians built these huge Pyramids , though they hadt any m_(90) at that time . So each year , a large number of tourists travel to Egypt to see the world wonder with their own eyes .We usually use two kinds of money. One kind is money made of paper and the other kind is money made of m_91_ . But in the past people used many things i_92_ of money. Some countries used salt, tea or stones(石头) . Other countries even used some animals. Today people in some p_93_ in the world still do not use paper money all the time.On the island of Yap, people use the h_94_ money in the world-Yap stones. These are round, white stones w_95_ a hole in the middle. The Yap stones do not c_96_ from this island. The Yap men have to go to the islands over 600 kilometres away to get t_97_ . Rich people do not carry Yap stones. Servants(仆人) f_98_ the rich. Each servant carries a stone on a long s_99_ over his shoulder(肩). Today people on the island of Yap use paper money for everyday shopping. But for other things they still p_100_ Yap stones to paper money.91 92 93 94 95 96 97 98 99 100 Do you like PE lessons at school? In fact, its quite good that teenagers have PE lessons at least three times a week. H_ (81), some teenagers may have serious problems with it. Many teenagers like sports, but some teenagers with h_ (82) problems may not be able to do them easily. Some PE teachers dont c_ (83) whether a student is sick or not. Most of the time, these teenagers who are forced(强迫) to have PE lessons will h_ (84) exercising. Once these teenagers are out of school they will s_ (85) exercising, which can lead to problems s_ (86)as being too fat or having heart problems. In a way, some teenagers simply dont like sports. These teenagers will find a way not to have PE lessons. Theyll hide from the PE teacher, skip (逃离) the PE lesson, or walk i _ (87) of running when the teacher isnt p_ (88) attention to them. Maybe they will get low g_ (89), but they dont care. How about doing some r_ (90) exercise like yoga (瑜伽)？Maybe these teenagers who dislike exercising would be more willing to play sports.(1)81.study 82. herself 83. leave 84. must 85. coffee 86. on 87. next 88. happily 89. gone 90. message(2)81 famous 82 history 83 lies 84 made 85 bodies 86 to 87 them 88 since 89 how 90 machines(18) 91 metal 92 instead 93 places 94 heavily 95 with 96 come 97 them 98 follow 99 sick 100 prefer (21) 81. However