According to the passage, many people initially thought that E. L. Drake had made a mistake　by____.

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• 1It can be inferred form the passage that kerosene was preferable to whale oil because whale　oil was too____.

  A.expensive

  B.thick 

  C.hot

  D.polluted

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• 2What is the best title for the passage、

  A.Oil Refining: A Historical Perspective

  B.The California Gold Rush: Get Rich Quickly

  C.Private Property: Trespassers Will Be Prosecuted

  D.Kerosene Lamps: A Light in the Tunnel

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• 3Which of the following statements best explains why "the second of these was the more serious impediment"(Underlined)、

  A.Chemical knowledge was limited to a small number of people.

  B.The symbolic language used was very imprecise.

  C.Very few new discoveries were made by alchemists. 

  D.The records of the chemical processes were not based on experiments.

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• 4The bold word "it" refers to which of the following、 

  A.Problem.

  B.Material.

  C.Difficulty.

  D.System. 

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• 5The bold word "hampered" in Line 1 Para 2 is closest in meaning to____. 

  A.recognized

  B.determined 

  C.solved

  D.hindered 

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• 6Why does the author mention the California gold rush、

  A.To explain the need for an increased supply of gold

  B.To indicate the extent of United States mineral wealth

  C.To describe the mood when oil was first discovered

  D.To argue that gold was more valuable than oil

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• 7Which of the following words could best replace the word "one" (Underlined)、

  A.Oil.

  B.Door. 

  C.Store.

  D.Product.

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• 8From what the Brazilian biologist says, we know that tourists like her ____.

  A.are reluctant to carry cash with them

  B.simply don' t care how much they spend

  C.are not good at planning their expenditure

  D.often spend more money than they can afford

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• 9The reason why 1994 was exceptional is that ____.

  A.it saw an unusually large number of tourists to the US

  B.it witnessed a drop in the number of tourists to the US

  C.tourism was hardly affected by the weakening of the US dollar that year

  D.Tourists came to the US for sightseeing rather than for bargains that year

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• 10By saying " nobody undersells America" (Underlined), the author means that ____.

  A.no other country underestimates the competitiveness of American products

  B.nobody expects the Americans to cut the prices of their commodities

  C.nobody restrains the selling of American goods

  D.no other country sells at a lower price than America

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