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.
66. The best title for the passage is ____.
A. The railroad Industry
B. Famous Inventors
C. Changing Iron into Steel
D. Steel Manufacturing Centers
67. According to the passage, how did the Bessemer method make the mass production of steel possible?
A. It directed air at melted iron in 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.
68. It can be inferred from the passage that the mass production of steel caused ____.
A. a decline 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
C
For new countries joining the European Union, and older ones getting used to their burgundy passports, becoming “Europeans” is a bit like marrying into a large, eccentric(古怪的)family. Europeans have a lot in common but it is their differences, not their similarities, which attract the attention of sociologists(社会学家)and market researchers, that are more interesting.
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