地球科学 TPO32-L3 The Copper Basin

地球科学

TPO32-L3 The Copper Basin

Listen to part of a lecture in an earth science class. The professor is discussing an area of the United States called the Copper Basin.

 



  1. What is the lecture mainly about?
  • A. The environmental effects of heap roasting.
  • B. The reforestation efforts in the Copper Basin.
  • C. The process of mining and producing copper.
  • D. Damages caused during an attempt to clean up industrial waste.

 

  1. What is the professor’s opinion about the effort to reclaim the land in the Copper Basin?
  • A. The techniques and materials used for the cleanup were probably outdated.
  • B. Some attempts to clean up the Copper Basin have made the problems worse.
  • C. It is not surprising that cleaning up the area has been extremely difficult.
  • D. The cleanup has taken longer than necessary.

 

  1. What does the professor imply when he mentions an Olympic whitewater kayaking competition?
  • A. That many people are unaware of the environmental problems in the Copper Basin.
  • B. That a successful reclamation of the Copper Basin may be possible.
  • C. That some activities in the Copper Basin must go on despite the pollution.
  • D. That the Olympic competition should have been held in a different location.

 

  1. According to the lecture, why was heap roasting used in the producing of copper?
  • A. To make copper ore easier to transport.
  • B. To make copper ore safe for workers to handle.
  • C. To transform copper ore into fuel.
  • D. To remove impurities from copper ore.

 

  1. What factors led to the disappearance of trees in the Copper Basin?
    [CHOOSE 2 ANSWERS]
  • A. Mines were dug under areas where trees were growing.
  • B. Loose soil led to trees being washed into the rivers.
  • C. Trees growing near the mines were cut and used as fuel.
  • D. Clouds of sulfur smoke killed trees in the area.

 

  1. What resulted from the lack of trees near the copper-mining operation?
  • A. It became difficult to provide housing for all the workers.
  • B. Rivers became filled with toxic soil.
  • C. Coal and other fuel had to be transported into the area.
  • D. The heap-roasting process had to be completed far from the mines.



答案:
A C B D CD B


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