听第7段材料，回答第9至11题。

9.Whet are the speakers talking about?

A.A way to improve air quality.

B.A problem with traffic rules.

C.A suggestion for city planning.

10.What does the man suggest?

A.Limiting the use of cars.

B.Encouraging people to walk.

C.Warning drivers of air pollution.

11.What does the woman think about the man’s idea?

A.It’s interesting. B.It’s worth trying. C.It’s impractical.

听第8段材料，回答第12至14题。

12.How long will the man probably stay in New Zealand?

A.One week. B.Two weeks. C.Three weeks.

13.What advice does the woman give to the man?

A.Go to New Zealand after Christmas.

B.Book his flight as soon as possible.

C.Save more money for his trip.

14.What can we learn about flights to New Zealand at Christmas time?

A.They require early booking.

B.They can be twice as expensive.

C.They are on special offer.