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1、 Chapter1 Geographical Features and Natural Resources1. In area, the United States is the 4th largest country in the world.2. The Midwest in the US refers to the region around the Great Lakes and the upper Mississippi Valley.3. The Backbone of North America refers to the Rocky Mountains4. Death Vall
2、ey is on the western edge of the Great Basin.5. The Great Plains might have a dust storm in summer.6. The western part of Washington State has the highest rainfall in the US.7. The US primary suppliers of foreign oil are the following countries except Japan8. The US largest open-pit copper-mining ce
3、nter is in Utah.1. The United States is bordered on the north by Canada, on the south by Mexico and the Guff of Mexico, on the east by the Atlantic Ocean, and on the west by the Pacific Ocean.2. The large territory of the continental US is divided into three basic areas:A. the Atlantic seacoast west
4、 to the AppalachiansB. the Mississippi River BasinC. the Rockies west to the Pacific3. The Middle Atlantic States are the most densely populated region in the US, where the land is flat and fertile.4. The Central Valley of California is a highly productive area, which produced enormous amounts of fr
5、uits and vegetables.5. Most production of oil and natural gas in the US es from offshore areas of Louisiana and Texas, and from onshore areas of Texas, Oklahoma and California. Her big consumption of energy now has made America insufficient in oil supply. The US reliance of foreign oil has reminded
6、consistently in the 40% ranges.6. The United States has little trouble caused by the shortage of fresh water. Farmlands in the US making up about 12% of the arable lands in the world, and they are among the richest and mostproductive.Chapter 2 American Population1. The over 3 million of early Americ
7、ans in 1790 were mostly of British ancestry.2. About 700,000 immigrants were legally received by the US each year during the 1980s.3. The official racial segregation continued to be the law of the US until 1954.4. American Indians now mainly live in the South.5. The majority of American Hispanics ar
8、e from the following countries except Spain.6. The West now leads in percentage increase in population.7. According to the 1994 US census, the second most populous state in the US is Taxes.8. The trend in migration from cities to suburbs now prevailed in all regions except the South.1. The United St
9、ates is the third most populous nation in the world.2. Prior to 1875 anyone from any country could enter the US freely and take up permanent residence there. Later the US Congress passed laws restricting immigration on the basis of morality, race, and national origin. The 1952 Immigration and Nation
10、ality Act reaffirmed national origin as the chief criterion for eligibility and established a preferential system for skilled workers and for relatives of the US citizens. For many years the US restricted to total number of immigrants to 270,000 each year, although the real immigrants numbered much
11、greater than the limit. The 1990 Immigration Act limits the total number of immigrants to 700,000 from 1992 to 1995 and 675,000 thereafter.3. The first blacks arrived in Jamestown in 1619 as indentured servants, but soon after 1619 they were brought to colonies as slaves. The blacks were formally fr
12、eed in 1863, but continued to suffer the institutionalized segregation for about a century. Today many blacks still live in the South, some have entered the middle class, but one-third of all black families still live below the poverty line.4. The Chinese-Americans have proved to be industrious and
13、intelligent. They are now viewed as a “model minority” in the US. According to the 2010 US census, there were about 3.8 million Chinese-Americans living in the US. The figure was more than twice what it was in 1990.Chapter 3 Discovery and Colonization of the New World1. The ancestors of the present
14、American Indians came from Asia.2. “The ambition for the vast lands” is not correct to explain the reasons for the sudden daring exploration of the unknown in the mid-15th century.3. On his voyage of 1492, Columbus expected to reach India.4. Vasco da Gama discovered the route to India.5. John Cabot
15、was sent by the English King to explore the new way to the east.6. New York was not founded first by the English.7. The breadbasket colonies include the following ones except Virginia. (New York, Pennsylvania, Maryland)8. The last one of the 13 colonies was Georgia, which was established in 1733.1.
16、In 1488 Bartholomew Diaz, sailing under the Portuguese flag, went to the Cape of Good Hope at the southern Africa. In 1492 Christopher Columbus, financed by rulers of Spain sailed west across the Atlantic Ocean and discovered the islands of the Caribbean. He was convinced that he had found the continent of Asia.2. The South Africa was discovered by Amerigo Vespucci who showed the land he arrived in was a ne
