课时作业9 Nature in the balance-（课时作业）【红对勾讲与练】2024版新高考英语大一轮复习全新方案（牛津译林版）

必修第三册　 3 　 必修第三册 课时作业 9　 Nature in the balance Ⅰ. 阅读理解 " (2023·湖北七市联考) Currently, there are about 480, 000 school buses operating today in the United States. These petrol-fueled school buses alone contribute 5. 3 million tons of climate-changing pollution every year. Replacing all school buses in America with an electric-powered model would be equal to taking 1 million cars off the road, saving millions of tons of pollution annually. If schools in America were to swap out all of these school buses with electric-powered replacements, it would not only have plenty of environmental benefits, but also many health benefits for the students taking school buses every week. Not only do these hundreds of thousands of buses have terrible effects on the environment, they also have harmful health consequences for the students riding the bus every day. Approximately 95 per cent of school buses run on gas, which is proven to cause respiratory (呼吸的) diseases and worsen existing conditions such as asthma (哮喘) . “Pollution from petrol-fueled school buses is harming our children􀆳s health and contributing significantly to global warming,” said Andrea McGimsey, Environment America Global Warming Director. “Our research shows that whether they􀆳re boarding the bus or on the bus, kids are exposed to poisonous air in high concentrations. Electrifying our buses is a common-sense solution for communities across the nation. ” These electric school buses are already available for schools to consider. They are cleaner, healthier, and often cheaper fo