美国自然人文地理

unit 1 panoramic view of the usa
　text a general characteristics of the usa
　text b major regions of the usa
　text c the face of the land
　text d the rivers
unit 2 view of the northeast
　text a the "melting pot"
　text b new england
　text c mid-atlantic
unit 3 landform of the northeast
　text a lakes, rivers, falls and mountains
　text b the coastal plains
　test c cape cod
　text d more about cape cod
unit 4 coastal cities in the northeast
　text a development of the coastal citrus
　text b boston
　text c philadelphia
unit 5 imporlanl centers of the usa in the northeast
　text a the capital city
　text b the nation's most cosmopolitan city
　text c economy of washington, d.c.　
　text d broadway
unit 6 land of changes in the southeast
　text a the southeast and its problems
　text b economy of the southeast
　text c population of the southeast
　text d the top in the southeast
unit 7 touring the sontheast
　text a the mighty mississippi river and the ozarks
　text b rolling hills, flat plains and islands
　text c the rivers of grass
　text d memphis
unit 8 view of the midwest
　text a physical features of the midwest
　text b lakes, plains, big rivers, badlands and caves
　text c mount rushmore national memorial
unit 9 more about the midwest
　text a settlement on the plains
　text b the past and present of the midwest
　text c belts in the midwest
unit 10 the southwestern states
　text a the four southwestern states
　text b santa fe, the city different
　text c culture of the american southwest
unit 11 landform of the southwest
　text a desert, canyon, plateau, rivers, and plains
　text b drought in the southwest
　text c changes on the ranch
unit 12 view of the west
　text a the rocky mountains, clear rivers and salty lakes
　text b hottest, driest, and highest
　text c bear river course
　text d what is the great basin?
unit 13 temples of nature and cities of the pacific
　text a the temples of nature
　text b cities of the pacific
　text c yellowstone national park
　text d city by the bay and the emerald city
unit 14 newest states
unit 15 review:regions of the usa
appendixes