1. What is the interview mainly about?

A. Advantages of living in a smart city.

B. Problems of living in a smart city.

C. Attractions of urban lifestyles.

2. How are cameras and sensors used in a smart city?

A. To collect information about city dwellers and their activities.

B. To collect information about the government and some companies.

C. To improve city dwellers’ safety and security.

3. Why does Ms Stevens feel lonely?

A. Because she doesn’t interact with many people.

B. Because she can't use the smart devices.

C. Because she doesn’t like her neighbourhood.