天文学 TPO24-L4 Shield Volcanoes on Venus

TPO24-L4

Shield Volcanoes on Venus

Listen to part of a lecture in an astronomy class.

 



  1. What is the lecture mainly about?
  • A. Conclusions about the surface of Venus drawn from recent observations.
  • B. The different types of volcanoes that have been found on Venus.
  • C. Similarities between geologic processes on Venus and on other planets.
  • D. New methods used to observe the surface of Venus.

 

  1. How were scientists able to learn new information about Venus’ surface?
    [CHOOSE 2 ANSWERS]
  • A. More powerful telescopes allowed astronomers to see more surface details.
  • B. Satellites were used to get radar images of Venus’ surface.
  • C. Space modules sent photographs after landing on Venus.
  • D. A space probe was able to locate gaps among Venus’ clouds.

 

  1. What differences between volcanoes on Venus and those on Earth does the professor mention?
    [CHOOSE 2 ANSWERS]
  • A. Volcanoes on Venus are mostly shield volcanoes.
  • B. Volcanoes on Venus emit thicker lava.
  • C. Many volcanoes on Earth are concentrated in specific zones.
  • D. Many volcanoes on Earth show no volcanic activity.

 

  1. Why does the professor mention the fact that Venus has no surface water?
  • A. To give an example of a discovery that was unexpected.
  • B. To illustrate the consequences of intense volcanic activity.
  • C. To question a theory about the origin of shield volcanoes.
  • D. To suggest an explanation for why Venus does not have moving tectonic plates.

 

  1. According to the professor, what is a possible origin of Venus’s clouds?
  • A. Gases released as a result of volcanic activity.
  • B. Chemical reactions caused by high surface temperatures.
  • C. Bursts of radio energy from the plane’s surface.
  • D. Strong winds that blow dust into the atmosphere.

 

  1. What is the professor’s opinion about the theory that Venus’ volcanoes are active?
  • A. The theory has recently been proved by direct observation.
  • B. At least two kinds of evidence support the theory.
  • C. The data collected so far about the theory are contradictory.
  • D. New findings have made the theory quite unlikely.


答案:
A BC AC D A B

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