Passage 1Questions 61 to 65 are based on the following passage:

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In the year following the Civil War, businesses began to form monopolies（垄断）. A monopoly is a business or corporation that has exclusive control over a certain market. This means that a monopoly has no competitors.In business, competition among businesses tends to keep the prices of products down. Since they had no competitors, monopolies, depending on how essential their product was, could charge as much as they wanted for their product.As more and more monopolies began to appear, some Americans began to wonder how these big companies could so easily drive their competitors out of business. One person who was especially interested in the practices of these monopolies was a journalist named Ida Tarbell.During the early 1900's, Ida Tarbell's articles took on such big corporations as the Standard Oil Trust Company. She described the methods that these
monopolies would use to drive rival companies out of business. For example, she described how big companies would make deals

61.C
62.A "A monopoly is a business or corporation that has exclusive control over a certain market. This means that a monopoly has no competitors.In business,............."
63.C "......monopolies, depending on how essential their product was, could charge as much as they wanted for their product."
64.B "Ida Tarbell's articles.....described the methods that these
monopolies would use to drive rival companies out of business."
65.D

1 choose D
As I thought, the passage deals with not only "The success of monopolies" but also "The reasons for the success of monopolies"

2 A
Accroding to "A monopoly is a business or corporation that has exclusive control over a certain market"

3 C
From "depending on how essential their product was"

4 B
"She described the methods that these
monopolies would use to drive