【正文】 ses C. excuses D. Questions13. A. glad B. interested C. worried D. lucky14. A. right B. different C. helpful D. terrible15. A. expensive B. famous C. useful D. friendly名師點評天氣和假期永遠是西方人日常談論的話題，所以要了解西方文化就必須對他們的節(jié)假日有足夠的了解。catch sb by the arm表示“抓住某人的胳膊”。故選to their home。而speak to sb, say to sb均表示“對某人講”。9. B。7. A。 5. B。3. B。答案簡析1. A。 所有這些減肥的項目都是需要花費很多錢的。12. C。10. A。8. C。6. B。4. A。根據(jù)上文，得知下面這個結論。2About 70,000,000 Americans are trying to lose weight(減肥). 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 (). 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. fast 2. A. For B. So C. Or D. And 3. A. good B. useful C. hard D. easy 4. A. why B. what C. how D. when 5. A. high B. short C. thin D. fat 6. A. talk B. say C. speak D. tell 7. A. dearer B. harder C. shorter D. easier 8. A. taken B. given C. written D. copied 9. A. cheap B. expensive C. easy D. safe10. A. pay B. cost C. take D. have 11. A. making B. taking C. playing D. using 12. A. Before B. In C. After D. At13. A. sorry B. angry C. sad D. glad 14. A. need B. have C. use D. get 15. A. health B. time C. food D. money名師點評這篇文章講的是美國有三分之一的人正在努力減肥，他們想盡了一切辦法去減輕體重，同時也令他們耗費了不少的金錢。被動語態(tài),表示“學校不教的書”。上述的這些人都很成功。certain這里指“某一個，固定的”。9. B。7. D。5. D。3. A。they指上句中的many people。t 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. People 2. 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. known. 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名師點評本文講述了自主學習的重要性。s 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(熟記)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, didn39。答案解析1. B。這里表示學一門技術來謀生。意思是“不管他懂多少”。老師不僅教學生文化知識，更應該教會學生如何思考。study by oneself自學。10. C。12. C。14. D。這些科學家都做了很多實驗。2. B。減肥令人們不得不做很多令人痛苦的事，故是一項艱苦的工作。現(xiàn)在很多人都認為想要讓自己看上去漂亮就得瘦，正是這種觀點促使很多人要減肥。人們都希望減肥能夠既快又簡單。根據(jù)下文得知減肥有時是一件很昂貴的事。 take exercise意思是“鍛煉”。14. A。3When the boys 1 home, it was eleven o’clock. It was dark 2 but there was a li