B : It has a lot of things.
A: Are there any tall buildings?
B: Yes, there are.
A: Are there any rivers in the city?
B: No, there aren' t.
A: Are there any mountains?
B: No, there aren' t, but there are many cars and buses.
A: Oh, what a beautiful city! The buildings are tall! The shops are big! The trafficsare more convenient . So I think the life must be comfortable there !
B : No, you' re wrong ! You don' t know we can hardly live in the city now. A lot oftrees are ill, and some of them are going to die.A: What had happened?B: Now you see, there are many factories, buses and cars in the city. They usuallyrelease poisonous gas. There is no fresh air and we can' t breathe here.Every day we drink polluted water. So day after day, we turn thinner and thinner.A: Really? It sounds too horrible! All of you who live in the city should protect yourenvironment.B: Yes, you' re right.