环境科学
TPO47-L4 The role of wind
Listen to part of the lecture in a meteorology class.
- 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
- 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
- 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.
- 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.
- 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.
- 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