美国部分开始
chapter 13 geography 地理位置
1.Alaska and Hawaii are the two newest states in American.Alaska northwestern Canada，and Hawaii lies in the central Pacific.
阿拉斯加和夏威夷是最近加入美国的两个新州。阿拉斯加在加拿大的西北部，夏威夷位邻中太平洋。（本细节还有考“一句话简答”的可能）
2.The U.S has a land area of 9.3 million square kilometres.It is the fourth largest country in the world in size after Russia，Canada and China.
就面积而言，美国是世界第四大国，就人口而言，美国是世界是第三大国。
3.Of all states of American，Alaska is the lagest in area and Rhode Island the smallest.But on the mainland Texas is the largest sate of the country.
所有州中，阿拉斯加是面积最大的州，罗得岛最小，在美国大陆，最大的州是得克萨斯州。
4.The Rockies，the backbone of the North American Continent，is also known as the Continental Divide.
落基山脉是北美大陆的脊梁，也被成为大陆分水岭。
5.The two main mountain ranges in American are the Appalachian mountains and the Rocky mountains. The Appalachians run slightly from the northeast to southwest and the Rocky mountains run slightly from the northwest to southeast.
阿巴拉契亚山脉和落基山脉是美国的两座大山脉。（本细节有考“一句话简答题”的可能）
6.The Mississippi River is the largest river in American，over 6000 kilometers.The Mississippi has been called father of watersor old man river
密西西比河是美国最长河流，有被称作“众水之父”或“老人河”。
7.The Ohio river has been called the American Ruhr，As in Germany， the area along the river is rich in valuable deposits of high-grade coking coal and is well known for its steel industry.The river provides cheap water transportation for raw materials.
俄亥俄河被称作美国的鲁尔河，就像德国一样，沿河有丰富的高品千周的焦煤，并且因其钢铁而著名。另外，该河还为原材料提供了廉价的水路运输。
8.On the Pacific side there are two great rivers：the Colorado in the south and the Columbia ，which rises in Canada.
太平洋沿岸有两大河：科罗拉多河及哥伦比亚河。
9.The Rio Grande River forms a natural boundary between Mexico and the United States.
格兰德河是美国和墨西哥之间的开然界河（本细节考选择和简答可能性大）
10.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 Michigan ，the only entirely in the U.S.，Lake Huron，Lake Eire and Lake Ontario.They are located between Canada and the United States except Lake Michigan.
美国最重要的湖泊是五大湖：苏必利尔湖，密歇根湖，休伦湖，伊利湖和安大略湖，其中，苏必利尔湖为世界最大淡水湖，密歇根湖完全是美国境地内。