Geography
2016-12-11 11:57:57 0 举报AI智能生成
地理是一门研究地球表面特征、人类活动和自然环境相互作用的学科。它涵盖了陆地、海洋、大气层以及其之间的相互关系。地理学家通过收集和分析数据，探索地球的物理、生物和文化方面的变化。他们研究地形、气候、土壤、植被等自然要素，以及人口分布、城市化、资源利用等人文因素。地理学不仅帮助我们了解地球的多样性和复杂性，还为解决环境问题、城市规划、农业发展等提供了重要的基础。通过学习地理，我们可以更好地理解世界的运作方式，并为保护地球家园做出贡献。
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Location
In the central part of North America ( expect Alaska & Hawaii ）
north : Canada
south : Mexico & the Gulf of Mexico
south : Mexico & the Gulf of Mexico
east : Atlantic Ocean
west : Pacific Ocean
west : Pacific Ocean
total area : 9.6 million square kilometres
50 states & the federal district of Columbia—
the seat of the Federal Government
the seat of the Federal Government
States
original 48 states
largest—Alaska
smallest—Rhode Island （罗德岛州）
largest on the mainland—Texas
smallest—Rhode Island （罗德岛州）
largest on the mainland—Texas
The eastern part—the highlands formed by the Appalachian Range
(阿巴拉挈亚山脉)
(阿巴拉挈亚山脉)
The western part— Rocky Mountains
—the great backbone of North America
—the great backbone of North America
The Northeast
Boston
New York
Situated on three islands—Manhattan Island, Long Island& Staten Island
at the mouth of Hudson River
at the mouth of Hudson River
Five boroughs—Manhattan, Brooklyn, Bronx, Richmond & Queens
the headquarter of the United Nations
The statue of liberty 自由女神像
The formal name is "Liberty Enlightening the World"
The South
New Orleans
Miami
Atlanta
The Midwest
the birthplace of the Republican Party 共和党的诞生地
Chicago
the windy city; second most populous city after New York
The West
San Francisco
Golden Gate Bridge
Los Angels
Hollywood （California）; Disneyland
Climate
Mainly temperate with some mild subtropical zones
with only the southern Florida and Hawaii being tropical.
with only the southern Florida and Hawaii being tropical.
50-centimeter rainfall line
east
comparatively more rain, so easy agriculture
west
much less rain ( less than 50 cm. a year )
with the exception of the coastal areas along the Pacific
with the exception of the coastal areas along the Pacific
Natural Resources
river & lakes
The Mississippi River
"father of waters"
The Missouri River and the Ohio River
The Hudson River
The Great Lakes
Lake Michigan( 密歇根湖 )—wholly within the United States
between Lake Erie( 伊利湖 ) & Lake Ontario ( 安大略湖 )—Niagara Falls
Lake Superior ( 苏必利尔湖 )—biggest freshwater lake in the world
Lake Huron
rich in mineral resources
greatest reserves of coal, iron ore & oil
abounds in lead, copper, zine, aluminum, phosphate rock, silver, gold
one fourth of the territory—covered with forests
rich in oil
once the largest oil producing country
oil reserve—along the coast of the Gulf of Mexico,
Texas, Louisiana, Oklahoma
Texas, Louisiana, Oklahoma
Energy crisis
oil consumption & oil reservation
Major Cities
New York
commercial & financial center of the US
Broadway; Central Park; Wall Street
Times Square
one of the world's major entertainment districts
Fifth Avenue
most expensive street in the world
Washington D. C.
seat of the federal government
located on the Potomac River
Washington Skyscrapers; World War Ⅱ Memorial;
Washington Monument; Lincoln Memorial;
The Jefferson Memorial; The Kennedy Center; The Library of Congress
Washington Monument; Lincoln Memorial;
The Jefferson Memorial; The Kennedy Center; The Library of Congress
Los Angles
second largest city; four times larger than San Francisco
Chicago
the windy city
largest industrial city in the country
San Francisco
Chinatown—the largest Chinese settlement in America
center of oil-refining, automobiles, chemicals, commerce,
finance, shipping industry
finance, shipping industry
Golden Gate Bridge
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