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三、完形填空(每小题1.5分，满分15分) It seems that the cities in the future will have to change. Because the world’s population 26 , there will be 27 people in the cities tomorrow. It may be 28 for any family to live in a house with land around it. There 29 enough space for them. 30 to solve this problem may be the skyscraper city (摩天城). The highest building in the world today is in the United Arab Emirates (阿拉伯联合酋长国). It’s about 828 meters high. The skyscraper cities in the future will be many times 31 . About 250,000 people will live in a skyscraper city. Nearly a million people can 32 in four of these great buildings. Each skyscraper city will have four towns in it and each town will have ten villages. They will live, work and 33 their free time in them. They won’t need to leave the city 34 they want to. They will be able to move about in the city by transport controlled 35 computers. Let’s imagine how the life will be then! 26. A. has grown B. is growing C. are growing D. have grown 27. A. many B. much C. more D. larger 28. A. impossible B. possible C. important D. necessary 29. A. aren’t B. won’t be C. won’t have D. haven’t 30. A. A way B. A road C. An answer D. An idea 31. A. lower B. shorter C. stronger D. higher 32. A. live B. study C. work D. be 33. A. spend B. cost C. pay D. take 34. A. until B. when C. while D. unless 35. A. by B. at C. with D. in 四、阅读理解(每小题2分，满分20 分) A Scientists (科学家) are trying to make the deserts (沙漠) into good land again. They want to bring water to the deserts, so people ca n live and grow food. They are learning a lot about the deserts. But more and more of the earth is becoming deserts all the time. Scientists may not be able to change the deserts. Scientists think that people make deserts. People are doing bad things to the earth. Some places on the earth don’t get much rain. But they still don’t become deserts. This is because some green plants are growing there. Small green plants and grass are very helpful to dry places. Plants don’t let the hot sun make the earth even drier. Plants don’t let the wind blow the earth away. When a little bit of rain falls, the plants hold the water. Without plants, the land can become deserts much more easily. 36. Why can the land become deserts? A. Some places don’t get much rain. B. Plants don’t let the hot sun make the earth even drier. C. People don’t keep the earth well. D. Scientists haven’t learnt enough about the deserts. 37. Scientists want to to make the deserts into good land again. A. carry water B. grow food C. do nothing D. study a lot 38. Which is not TRUE? A. The land never stops becoming deserts. B. Scientists ask people to live in the deserts and grow food there. C. People do bad things to the earth. D. Scientists may not be able to change the deserts. 39. Why are green plants and grass helpful? A. They can hold the water. B. They can stop the wind from blowing the earth away. C. They can keep the earth wet. D. All of the above. 40.Which of the following is the best title(题目)for the passage? A. The Desert Problem B. People Make Deserts C. Green Plants and Grass D. The Deserts, the Tree and the Water (责任编辑：admin) |