Great Lakes

Great Lakes
【正确答案】：①The most important lakes in the United States are the Great Lakes. ②They are Lake Superior, which is the largest fresh water lake in the world, Lake Michigan, Lake Huron, Lake Erie and Lake Ontario. ③They are all located between Canada and the United States except Lake Michigan. ④These lakes are joined together by canals and are linked to the Mississippi River and its tributaries in the Interior Plains and the Atlantic Ocean forming a complete system of waterways. ⑤The Great Lakes are the economic lifeline of the Midwest. They provide cheap transportation for materials such as iron ore, coal, and grain.
【题目解析】：参见教材P178。
掌握“Land(USA)”知识点。