精选优质文档-倾情为你奉上Unit 1 Geographical Features and Natural Resources1. How many states are there in the United States? And which two states are geographically separated from the others? (50,Alaska,Hawaii)2. What are the general characters of the Rocky Mountains and the Appalachian Mountains.1) To the west of Atlantic coastal plain lie the Appalachian Mountains that begin in Canada and reach all the way to Georgia and Alabama. These are old mountains with rounded tops and wooded hills, u
