【正文】
ver in American, over 3,780 kilometers. The Mississippi has been called “father of waters” or “old man river”. 7. On the Pacific side there are two great rivers: the Colorado in the south and the Columbia ,which rises in Canada. 8. The Rio Grande River forms a natural boundary between Mexico and the United States. 9. The most important lakes in the United States are the Great Lakes. They are Lake Superior, which is the largest fresh water lake in the world, Lake Huron, Lake Michigan ,the only entirely in the ., Lake Eire and Lake Ontario. They are located between Canada and the United States except Lake Michigan. Niagara Fall Niagara Fall Niagara Fall 10. The three most famous national parks are ① The Rocky Mountain amp。 Yellowstone National Park ② The Great Canyon of Colorado in Arizona ③ Yosemite in the Sierra Nevada(內(nèi)華達(dá) 山脈 ). Great Canyon of Colorado Great Canyon of Colorado Great Canyon of Colorado Yosemite Yosemite Yosemite Yosemite 11. The three distinct areas (P106) ① The eastern part ② The western part ③ The Great Plains 12. eight regions: ① New England ② Middle Atlantic States ③ The MidWest States ④ The American South ⑤ The American West ⑥ The Pacific Coast ⑦ The Great Plains ⑧ The New States