高中英語閱讀理解練習題原文：

　　Barges and steamers carried the iron ore through Lake Superior to deposits on the southern shores of Lake Michigan and Lake Erie. With dizzying speed Gary, Indiana and Toledo, Youngstown, and Cleveland, Ohio, became major steel manufacturing centers. Pittsburgh was the greatest steel city of all.

　　高中英語閱讀理解練習題：

　　1.The best title for the passage is______.

　　A. The Railroad Industry

　　B. Famous Inventors

　　C. Changing Iron into Steel

　　D. Steel Manufacturing Centers

　　2.According to the passage, how did the Bessemer method make the mass production of steel possible?

　　A. It directed air at melted iron in a furnace, removing all impurities.

　　B. It slowly heated iron ore, then stirred it and heated it again.

　　C. It changed iron ore into iron, which was a substitute(替代物) for steel.

　　D. It could be quickly found deposits of iron ore under the ground.

　　3.The furnace that Bessemer used to process iron into steel was called a______.

　　A. heater

　　B. steamer

　　C. converter

　　D. shower

　　4.It can be inferred from the passage that the mass production of steel caused______.

　　A. a decline(衰退) in the railroad industry

　　B. a revolution in the industrial world

　　C. an increase in the price of steel

　　D. a feeling of discontent among steel workers

　　高中英語閱讀理解練習題答案：

　　CACB

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