美国概况1.brief introduction and physical geography

The United States of American1.Population, race and ethnic groups 人口和种族1)introduction 概要①the third most populous country in the world,with 255.5 million people.②a nation of immigrants.Immigration accounts for a major source of population growth.There are many racial and ethnic groups. Between 80% and 90% of immigration ot the United States now is from Asian and Hispanic counties.The first immigrants in American history came from England and Netherlands. Population movements are common in America.移移民是人口增长的一个主要原因。

到目前80%-90%的移民来自亚洲和西班牙语国家。

美国历史上最早的移民来自于英格兰和荷兰。

人口迁徙在美国很普遍。

2)Black people and the Civil Rights Movement①blacks and slaverythe largest of the racial and ethnic minorities in the U.S., which 12.1 per cent of the population; the first blacks were brought to North America as slaves in 1619. 美国最大的少数人种是黑人，占人口的12。

The national flag
50 stars: 50 states 13 stripes: the f i r s t 13 states that used to be
colonies red: valor and hardiness white: innocence and purity blue: vigilance, perseverance and justice
The Central valley of Californ highly productive area basic field crops as sugar beets, beans, rice and cotton
Climate
The United States is mainly situated i the northern temperate zone.
Administrative States
· 50 states The largest in area: Alaska The second: Texas The youngest: Alaska and Hawaii
· Afederal district The District of Columbia Capital City: Washington
Yellowstone National Park
It covers an area of about 9000 sq.km.There are about 3,000 geysers and hot springs in the park.There are also other natural wonders.
Deep South
South Carolina Georgia Texas Alabama Mississippi Louisiana

英语国家概况第十三章美国地理位置Geography1.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。

31+geography+of+usa+美国地理概况31 Geography of USA 美国地理概况1. The vast expanse of the United States of America stretch es from the heavily industrialized, metropolitan Atlantic seaboard across the rich flat farms of the central plain s, over the Rocky Mountains to the fertile west coast, then halfway across the Pacific t o the balmy island-state of Hawaii. The American scene awe s the viewer with both its variety and size. The continental United States (not counting outlying Alaska and Hawaii) measures, 4,500 kilometers from its Atlantic to Pacific coasts, 2,575 kilometers from Canada to Mexico. The entire nation (all 50 states) cover s an area of 9 million square kilometers and has a population of 220 million people.1、美利坚合众国的辽阔地域(vast expanse)，从高度工业化、遍布大都市的大西洋沿岸(Atlantic seaboard)，延伸至中部平原肥沃平坦的农场，越过洛矶山脉，到达富饶的(fertile)西海岸，然后横跨半个太平洋(the Pacific)到达气候温和的(balmy)由群岛组成的夏威夷州。