【正文】
na!”.41. What did Mrs. Lawson suddenly notice? A. She found many gifts in her son’s room. B. She found some interesting things.C. She noticed a pair of new shoes in her room. D. She found that almost all the presents in her son’s room were made in China.42. From the passage, we can know______. A. Mrs. Lawson has three children B. Mrs. Lawson has a son and a daughter C. Mrs. Lawson’s daughter was born on Christmas Day D. Mrs. Lawson’s children were born in China43. What was NOT mentioned(提到) in this passage that was made in China ? A. The doorbell. B. The screen of the TV. C. Tennis shoes. D. Colorful lights on the Christmas tree.44. What does the italicized(斜體的) word “band” mean in the fourth paragraph? . A. 捆綁 B. 級別 C. 橡皮筋 D. 樂隊45. When did this story happen? A. Around the New Year. B. Before Christmas Day. C. In the Spring Festival. D. On Christmas Day.Passage 3 Air is the mixture of gases that you breathe. You cannot see, smell or taste air but it is around you. Layers of air surround the earth, too, making up the earth’s atmosphere. Oxygen is a gas found in the air. All animals, including humans, need it to stay alive. Nitrogen and oxygen are the two main gases in the air. About onefifth of the air you breathe is oxygen. Air also contains tiny amounts of a gas called carbon dioxide. Animals take in the oxygen from the air and breathe out a waste gas carbon dioxide. Plants do the opposite. They take in carbon dioxide from the air and turn it into oxygen. The oxygen is given off through their leaves.When the wind blows it is really air on the move. If you stand outside on a windy day you can feel this flowing air as it rushes past you.46. Which of the following is right according to this passage? A. Air is a mixture of gases. B. You can’t see the air but you can smell it. C. Oxygen is air, and air is oxygen. D. Air contains only nitrogen and oxygen.47. What does the italicized(斜體的) word “it” refer to in the third line? A. All animals. B. Human beings. C. Air. D. Oxygen.48. can give off oxygen. A. Human beings B. Animals C. Pandas D. Plants 49. What’s the Chinese meaning of “carbon dioxide”? . A. 一氧化碳 B. 碳元素 C. 二氧化碳 D. 氧氣50. Which of the following about wind is right according to this passage? A. We can’t feel the wind. B. You can feel the flowing air. C. The wind is mo