1. (2023七下·淮南月考) 听短文，回答问题。

1. （1） How many big cities are mentioned(提到) in the passage(篇)?

   A . 2. B . 3. C . 4.
3. （2） What are the big problems in big cities?

   A . There is too much pollution (污染). B . There are too many cars. C . The food and clothes are expensive (贵) and there are too many people.