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g books. Most of the books e from the school library, I am sure. Perhaps you also get books from the bookstore in your town. The books are something given to you as 21 by your parents or friends, I think. Besides, if you like reading and want to learn more, I am sure that you buy books 22 . Have you ever thought how books are 23 ? Well, after a book is written, it passes through the hands of many different workers. Each one works very carefully, for there must not be any 24 in the book. It is read many times by different people before it is finished. Millions of books are printed in our country every year. So people can get 25 to read. Now may I ask you a question? How well do you take 26 of books? What have you learned about the care of books? Perhaps you bought yourself some 27 books. Have you put paper covers on them? Do you open 28 carefully? Sometimes new books break along the back if you open them 29 in the middle. I hope that you don’t __30 the pages carelessly. If you do, you may tear them. 21. A. pets B. presents C. books D. textbooks. 22. A. all B. yourself C. also D. either 23. A. sold B. bought C. given D. made 24. A. mistakes B. questions C. wrong D. thing 25. A. many B. enough C. a lot of D. great 26. A. careful B. after C. out D. care 27. A. more B. new C. out D. care 27. A. more B. new C. well D. nicer 28. A. it B. carefully C. them D. book 29. A. suddenly B. sudden C. careful D. carefully 30. A. break B. throw C. write D. turn 三、閱讀理解。 36. An apple a day can make you strong enough to drive a strong doctor away. ( ) 37. If people eat an apple a day without eating other food they won’t get sick at all. ( ) 38. Scientists found out that the old saying is true. ( ) 39. The second group was not as healthy as the first group. ( ) 40. Nowadays the old saying doesn’t work any more. ( ) C In the US and many other countries. Tipping(給小費(fèi) ) is a way of saying thankyou to someone for his good service. Who do you tip? And how much? Below are some tips(提示 ) for travelers in the US. 1. Taxi drivers: $2 to $3。 more if your suitcases are very heavy. 3. Hotel bellboy(青年侍者 ): Again, $1 for each bag. Tip him w