B：Yes,there are many cities where it's almost always warm.San Diego,for example.

　　A：Are there any other cities where it's always hot?

　　B：Many.Most of the cities in the southern part of the United States are hot all year.

　　A：But why do so many people live there?

　　B：Most people grow accustomed to the climate,but there are many others who complain about it all the time.

　　A：Are there any cities where it rains a lot?

　　B：Several.Two good examples are Seattle,in the state of Washington,and Portland,Oregon.

　　A：Tell us about some cold cities.

　　B：In the north there are many cities which are very cold in the winter.Boston and Chicago are two of them.

　　A：Is it always cold in Chicago and Boston?

　　B：Oh,no.On the contrary,there are many beautiful days,especially in the spring and fall.