环境科学 TPO47-L4 The role of wind

环境科学

TPO47-L4 The role of wind


Listen to part of the lecture in a meteorology class.



  1. What is the lecture mainly about?
  • A. Various kinds of winds
  • B. Theories about recent changes in Earth’s climate
  • C. The role of wind in regulating Earth’s climate
  • D. The role of air in limiting the amount of the Sun’s energy that reaches Earth

 

  1. According to the lecture, what creates areas of high pressure and low pressure in the atmosphere?
  • A. The rotation of Earth
  • B. Wind moving from areas over water to areas over land
  • C. Differences in temperature at different places on Earth
  • D. Differences in concentrations of water vapor in different parts of the atmosphere

 

  1. According to the professor, what are two reasons why all areas of Earth are not heated equally during daylight hours?
    [CHOOSE 2 ANSWERS]
  • A. Some regions of Earth receive more energy from the Sun than others.
  • B. The amount of energy emitted by the Sun varies in intensity over the course of the day.
  • C. The Sun heats stationary air faster than it heats moving air.
  • D. The Sun heats land faster than it heats water.

 

  1. What are two benefits of wind mentioned by the professor?
    [CHOOSE 2 ANSWERS]
  • A. It transferred water across Earth
  • B. It shifts heat from some areas of Earth to others.
  • C. It helps maintain a constant rate of evaporation of ocean water.
  • D. It reduces the amount of the Sun’s energy that is absorbed by the ocean.

 

  1. What does the professor imply about the heat stored in water vapor?
  • A. The heat is rarely transported by the wind.
  • B. The heat was drawn from the ocean during the evaporation process.
  • C. The heat’s intensity depends on the altitude of the vapor.
  • D. The heat loses energy over time as it is stored in the vapor.

 

  1. Why does the professor mean when he says this: 🎧
  • A. He is pleased that the woman made a good observation.
  • B. He is grateful that the woman has reminded him of a point he neglected to discuss.
  • C. He thinks that the woman has correctly summarized what he just said.
  • D. He thinks that the woman has provided a logical transition to his next point.


答案:
C C AD AB B D

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