题目内容：

听下面一段独白，回答以下小题。

1.How did the speaker get the information?

A. Over the radio. B. From car makers. C. From the newspaper.

2.How many cars will be on the roads by 2025?

A. 560 million. B. 516 million. C. 140 million.

3.What is a major problem caused by cars?

A. The increasing cost. B. The road accidents. C. The air pollution.

4.What is the speaker mainly talking about?

A. Major road accidents in the country.

B. Problems cars have brought to the country.

C. The balance between car buyers and car makers.