L3
讲座
1. What does the professor mainly discuss?
The effects of air pollution on urban weather patterns
Factors contributing to thunderstorm formation in urban areas
Research on how best to predict thunderstorms in cities
Different ways clouds develop into thunderstorms
2. Why does the professor review the way in which thunderstorm clouds are formed?
To correct a common misunderstanding among students
To introduce a discussion regarding where thunderstorms occur
To encourage the students to think critically about a past lecture
To help explain the cause of urban heat islands
3. According to the professor,why did researchers Atlanta,Georgia,to study?
Atlanta’s temperature range is larger than that of most other citie
Atlanta’s level of air pollution has increased dramatically in the last several years
Atlanta experiences more thunderstorms than other regions of Georgia.
Atlanta is where the urban heat island effect was first discovered.
4. Why does the professor mention a sea breeze?
To explain how thunderstorms form over the ocean
To point out that a city’s location can affect its temperature
To compare and contrast the strengths of different types of wind
To help explain how air from the surrounding area is drawn into a city
5. According to the professor,how are weather conditions in cities affected by tall buildings?（多选题）
Tall buildings increase the duration of thunderstorms
Tall buildings trap heat in urban areas.
Tall buildings cause wind speeds to increase
Tall buildings contribute to conditions that cause humid air to rise
6. What does the professor say about the interaction of air pollution and weather?（多 选题）
It needs to be studied more.
It can increase the amount of rainfall in urban areas
It can cause thunderstorms to have more lightning than usual.
It reduces the speed at which wind moves into urban areas
