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Unformatted text preview: provide the opportunity to produce and store energy for future use. ○These periods create storage problems for all forms of power generation. ○These periods occur as often as periods when the demand for electricity is high. 5. In paragraph 4, the author states that in areas where winds are not steady ○Power does not reach all customers ○Wind farms cannot be used ○Solar power is more appropriate ○Backup systems are needed 6. According to paragraph 4, what can be inferred about the problems of visual pollution and noise associated 147
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with wind farms? ○Both problems affect the efficiency of wind farms. ○Possible solutions are known for both problems. ○Wind power creates more noise than visual pollution. ○People are more concerned about visual pollution than noise. Paragraph 5: Large wind farms might also interfere with the flight patterns of migratory birds in certain areas, and they have killed large birds of prey (especially hawks, falcons, and eagles) that prefer to hunt along the same ridge lines that are ideal for wind turbines. The killing of birds of prey by wind turbines has pitted environmentalists who champion wildlife protection against environmentalists who promote renewable wind energy. Researchers are evaluating how serious this problem is and hope to find ways to eliminate or sharply reduce this problem. Some analysts also contend that the number of birds killed by wind turbines is dwarfed by birds killed by other human
related sources and by the potential loss of entire bird species from possible global warming. Recorded deaths of birds of prey and other birds in wind farms in the United States currently amount to no more than 300 per year. By contrast, in the United States an estimated 97 million birds are killed each year when they collide with buildings made of plate glass, 57 million are killed on highways each year; at least 3.8 million die annually from pollution and poisoning; and millions of birds are electrocuted each year by transmission and distribution lines carrying power produced by nuclear and coal power plants.
7. The phrase this problem in the passage refers to ○Interference with the flight patterns of migrating birds in certain areas ○Building ridge lines that are ideal for wind turbines ○The killing of birds of prey by wind turbines ○Meeting the demands of environmentalists who promote renewable wind energy 8. Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information. ○Hawks, falcons, and eagles prefer to hunt along ridge lines, where wind turbines can kill large numbers of migratory birds. ○Wind turbines occasionally cause migratory birds to change their flight patterns and therefore may interfere with the areas where birds of prey prefer to hunt. ○Some of the best locations for large wind farms are places that may cause problems for migrating birds and birds of prey. ○Large wind farms in certain...
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This note was uploaded on 09/17/2013 for the course LANGUAGE 13DL208 taught by Professor Wang during the Fall '13 term at East China Normal University.
- Fall '13