环境科学 TPO44-L4 Renewable Energy Sources

环境科学

TPO44-L4 Renewable Energy Sources


Listen to part of a lecture in an environmental science class.



  1. What is the main purpose of the talk?
  • A. To explain the mechanical functioning of barrages.
  • B. To discuss some possible ecological effects of building barrages.
  • C. To discuss the effects of ocean tides on coastal ecosystems.
  • D. To describe ways to increase biological productivity of estuaries.

 

  1. What does the professor say about estuaries to support the claim that they are appropriate places for building barrages?
  • A. Estuaries undergo significant changes in water levels.
  • B. Estuaries attract a wide variety of animal species.
  • C. Estuaries are deeper than other bodies of water.
  • D. Most estuaries are far from residential areas.

 

  1. What is the professor’s opinion when the man expresses concern about marine life on the mud flats?
  • A. She thinks the environmental impact of barrages would be worse for birds than for fish.
  • B. She agrees that any damage to the mud flats would probably be irreversible.
  • C. She feels that the situation is more complex than the man realizes.
  • D. She does not believe that the mud flats support a wide variety of animal species.

 

  1. The professor mentions a change in the quantity of fish caught near a barrage in France. What most likely happened to the water in the estuary as a result of the construction of the barrage?
  • A. The water has become clearer.
  • B. The water has become saltier.
  • C. The water has become polluted
  • D. The water level has risen.

 

  1. What does the professor say is a criticism of the proposed barrage at the Severn River in Great Britain?
  • A. It would damage nearby buildings.
  • B. It would attract harmful species to the region.
  • C. It would not be as large as the barrage in France.
  • D. it would be too expensive to build.

 

  1. Why does the professor say this: 🎧
  • A. To request that the student answer in greater detail.
  • B. To introduce a new topic for discussion.
  • C. To make the student’s statement more accurate.
  • D. To repeat a point that she had not stated clearly.


答案:
B A C A D C

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