九年級英語全冊unit13we’retryingtosavetheearth自我復(fù)習(xí)與檢測課件新人教版-wenkub.com
2025-06-12 00:23 本頁面
【正文】 t hide. 自我復(fù)習(xí)與檢測 (十三 ) The United States Since the beginning of the 19th century, America has had trouble with environmental problems, air pollution in particular. Almost 60 percent of Americans live in areas where air pollution has reached unhealthy levels. It can make people sick. The US created the Environmental Protection Agency in 1970 and passed the Clean Air Act. Now the air all over the country is much cleaner, especially pared to ten years ago. 自我復(fù)習(xí)與檢測 (十三 ) London Yellowgrey smog was a frequent visitor to London in the 1950s and got the name “London fog”. The heaviest, which shocked the world, was in 1952. Because of cold weather and windless conditions, polluted air covered the city. People could see something around them only in a few meters and about 4， 000 people died. In 1956, London passed the Clean Air Act. It largely reduced air pollution. 自我復(fù)習(xí)與檢測 (十三 ) New Delhi Because New Delhi is developing fast, its air quality is even worse than that of Chinese cities. New Delhi has done little to improve air quality in recent years. However, the city government made a few changes more than 10 years ago. They moved industry out of the city, built a subway and improved public transport. World Battles Against Air Pollution China As for the air pollution, China is not ； many countries have the same situation. 自我復(fù)習(xí)與檢測 (十三 ) 根據(jù)短文內(nèi)容，完成下面的表格。 自我復(fù)習(xí)與檢測 (十三 ) ( ) underlined phrase “a vintage store”
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