【正文】 then to 5 . By 1850 diner time had reached 7 . Lunch is a recent idea. It first appeared as a snack to fill the gap between breakfast and dinner. did not have lunch .A. until 1890 B. after 1890 C. since 1890 D. by 189042.“Dinner, however, went the other way means “ ” A. dinner didn39。t help turning away from the foods35. Excess calories can be found in your body in the form of___ .A. energy B. fat C. food D. something invisible (看不見(jiàn)（B）It began with one red paper clip and ended with a house. Kyle MacDonald， a 26yearold Canadian，got a threebedroomed house through 14 trades that started with a single red paper clip.Encouraged by Kyle39。 a large plate will encourage you to have more than enough. Better not have highfat foods. Dishes that look oily or creamy have much fat in them. Choose lean meat(瘦肉).Fill your plate with salad and green vegetables. If you have a sweet tooth, try mints (薄荷) and fruits. They don’t have fat content as cream and chocolate.Don’t let exercise take a break during the holidays. A 20minute walk after a meal can help burn off excess(過(guò)多的) calories.31. Holidays are happy days with pleasure but they may ______A. bring weight problems B. bring you much trouble in your lifeC. make you worried about your foods D. make you hate delicious foods32. In order to really enjoy your holidays without putting on weight, you39。s policies.A. economical B. economics c. economy D. economic19. Robin39。 in D. by。 habit of tapping her fingers on the desk while reading the newspapers him.A. introduced B. irritated c. implied D. irrelevant2. With a year39。（manners）。s desk? A. Fax. B. Computer. C. Lamp. D. Television48. Where are the pictures of the author39。s words probably show why these trades are popular among young people. did Kyle MacDonald get after 14 trades?A. A red paper clip. B. A Canadian. C. A threebedroomed house. D. A DVD.37. Where can people trade things that they do not usually use according to the passage?A. On the Internet. B. In Beijing. C. In Canada. D. In the desert. 38. Which of the following is not true?A. Peerflix is a website.B. Peerflix allows people to trade their used DVDs.C. The traders using Peerflix usually prefer facetoface trading.D. Traders using Peerflix usually worry about delivery.39. What did the young girl in Beijing get after several trades?A. A paper clip. B. A house. ,000 yuan. D. A piano.40. Why are trading activities so popular among young people?A. Because they can make a lot of money.B. Because the traders can get things that are useful to them.C. Because young people love trading.D. Because many young people want to get a house.(C) lt is surprising that eating three meals a daybreakfast, lunch and dinner has been a custom only since 1890. Before this time, people only had two meals a day breakfast and dinner.In the 16th century, breakfast was only to break one39。s hard work, he basic knowledge of English.A. has caught B. has acquired c. has required D. has acknowledged18. Can you tell us some interesting of city life.A. features B. fingers C. fans D. feathers 19. The physics teacher said that the earth around the sun.A. moves B. is moving C. moved D. had moved20. I to go to bed earlier during the winter.A. tend B. tender C. trend D. tendency選詞并用適當(dāng)形式填空export profit process trade specializeconsume exchange opportunity participation better in D. by。s words everyone to believe that he was not joking.A. avoided B. involved c. inclined D. accepted5. There are no tickets for tomorrow39。s policies.A. economical B. economics c. economy D. economic4. Robin39。 by c. by。 she began to put all the letters in envelopes. A. to be typed B. typing C. to type D. typed habit of tapping her fingers on the desk while reading the newspapers him.A. introduced B. irritated c. implied D. irrelevant17. With a year39。t have to worry about who is going to pay for the delivery.Last year, a