（41）Many people go to school for an education. 1 learn languages, history, geography, physics, chemistry and maths. Others go to school to learn a skill so that they can 2 a living. School 3 is very important and useful. Yet no one can learn everything from school. A teacher, no matter how much he 4 , can not teach his students everything they 5 to know. The teachers job is to show his students how to read and how to 6 . So much more is to be learned 7 school by the students themselves.It is always more important to know how to study by 8 than to memorize(熟记)some facts or formula(公式). It is 9 quite easy to learn a 10 fact in history or a formula in mathematics. But it is very difficult to use a formula in 11 out a maths problem. Great scientists, such as Einstein, Newton and Galileo, didnt learn many things from school. But they were all so 12 that they invented so many things for mankind.The 13 for their success is that they knew how to study. They read books that were not 14 at school. They worked hard all their lives, wasting not a single moment. They would ask many questions as they read and they did thousands of 15 .1. A. Students B. They C. We D. People2. A. make B. do C. have D. get3. A. education B. degree C. lesson D. task4. A. teaches B. knows C. learns D. practises5. A. manage B. expect C. fail D. want6. A. study B. play C. think D. work7. A. From B. in C. within D. outside8. A. heart B. students C. us D. oneself9. A. not B. actually C. seldom D. known10.A. real B. true C. certain D. great11. A. setting B. working C. making D. doing12. A. famous B. popular C. successful D. modest13. A. experiment B. reason C. result D. way14. A. kept B. showed C. expressed D. taught15. A. duties B. jobs C. experiments D. records（42）About 70,000,000 Americans are trying to lose weight(减肥). That is almost 1 out of every 3 people in the United States. Some people eat 1 food and they hardly have any fats or sweets. Others do running, exercise with machines, take medicines, or even have operations. 2 you can see losing weight is 3 work, and it will also cost a lot of money. But _4 do so many people in the United States want to lose weight?Many people in the United States worry about their look of the body. For many people, looking nice also means to be 5 . Other people worry about their health as many doctors 6 overweight is not good.Most people want to find an 7 way to take off fat, and books of this kind are very popular. These books tell people how to lose weight. Each year a lot of new books like these are 8 . Each one says it can easily help people take fat away.Losing weight can be 9 . Some overweight people go to health centres, like La Costa in California. Men and women 10 several hundred dollars a day at these health centres. People live there for one week or two, 11 exercise, eating different foods. Meals there may be just a little. All these work for losing weight. _12_ 4 days on the programme, one woman called Mrs. Warren lost 5 pounds (2.27kg). At $ 400 a day, she spent $ 320 to lose each pound. But she said she was still _13_ to do so.Health centres, books, medicines, operations, running and exercise machines all _14_ a lot of money. So in the United States, losing weight may mean losing _15_ too.1. A. less B. more C. nice D. fast2. A. For B. So C. Or D. And3. A. good B. useful C. hard D. easy4. A. why B. what C. how D. when5. A. high B. short C. thin D. fat6. A. talk B. say C. speak D. tell7. A. dearer B. harder C. shorter D. easier8. A. taken B. given C. written D. copied9. A. cheap B. expensive C. easy D. safe10. A. pay B. cost C. take D. have11. A. making B. taking C. playing D. using12. A. Before B. In C. After D. At13. A. sorry B. angry C. sad D. glad14. A. need B. have C. use D. get15. A. health B. time C. food D. money（43） When the boys 1 home, it was eleven oclock. It was dark 2 but there was a light inside their home and the door 3 . They could see a man inside.