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［正确答案］51-55 DABCC ［答案解析］ 51. 主旨题。从全文来看，可以得出文章讨论的是safety and health。故选D。 52. 推断题。从第一段的否定句中可以推断中，过去的工作环境差导致了很多工人生病，故 选A。 53. 推断题。从文章第二段的“however, the new rules came too late to protect the people who died or who became seriously ill.”可知，之前是没有相关法律的，故选B。 54. 推断题。从文章第二段的“At such times, there were inquiries into the causes of the disasters or the problems. New safety rules were often introduced as a result of these inquiries;”可知，法 律只有在伤亡事故发生后才会被引进，故选C。 55. 细节题。文章第三段中除了C选项都有提及，故选C。 B A California family drives a car that could help protect the environment. When Jon and Sandy go to the store or to their daughters’ soccer games, they drive in high-tech style. They drive a＄1 million, fuel-cell-powered car. It may be the world’s most expensive car and one of the most environmentally friendly cars. The FCX is the first fuel-cell-powered car to be used by a family anywhere in the world. The FCX uses hydrogen and oxygen for fuel. Car makers have been working to develop vehicles that are better for the environment. They are developing cars that use fuel other than gasoline. And then what is fuel cell technology? Fuel cell technology works by changing the chemicals hydrogen and oxygen into water. This process produces electricity, and water vapor which comes out of the exhaust pipe. Most cars release dangerous gases such as carbon monoxide(一氧化碳) and carbon dioxide. Many scientists say these gases are major contributors to global warming. “The FCX is driven just like any other vehicle on the road, but without the gases which pollute the environment, ” scientists say. Fuel cell technology has been around since the 1800s, but scientists have yet been to perfect it. They say it may take years before the technology is ready for widespread use. Another earth-friendly car is already on the market. Hybrid cars use both gasoline and an electric motor. They are becoming more popular with customers because they cut pollution and improve fuel efficiency. 56. Which of the following about the FCX is NOT true? A. It may be the most expensive car in the world. B. It is one of the most environmentally friendly cars. C. It releases dangerous gases to pollute the air. D. It uses hydrogen and oxygen for fuel other than gasoline. 57. According to the passage, what is the major cause for global warming? A. Gases from FCX. B. Water vapor from cars. C. Hydrogen and oxygen. D. Gases from cars. 58. From the passage, we know that fuel cell technology _______ . A. works by water B. has a history for over two hundred years C. works by electricity D. has been widely used since the 1800s 59. We can infer from the passage that _______ . A. future cars will be environmentally friendly B. there will be no gasoline for cars C. people can’t afford to buy cars in the future D. global warming has been stopped 60. Hybrid cars are popular because _______ . A. they are the fuel-cell-powered cars B. they are energy-saving and cut pollution C. they are perfect cars in the world D. they produce gases to pollute the environment ［正确答案］56-60 CDBAB ［答案解析］ 56. C。细节理解题。从第二段中的“. . . one of the most environmentally friendly cars. . . ”和第 六段中的“. . . but without the gases which pollute the environment. . . ”等处可判断答案为C项。 57. D。细节理解题。由第五段尾句“许多科学家声称这些气体（一氧化碳和二氧化碳）是造 成全球变暖的主要因素”可知答案。 58. B。细节理解题。由倒数第二段第一句可知该技术有200余年的历史。 59. A。推理判断题。从短文最后一句话“They are becoming more popular with customers. . . ” 可推断A项正确，其他选项在文中没有依据。 60. B。细节理解题。根据短文最后一句话可知答案。 (责任编辑：admin) |