《英语国家概况》课后题参考答案
Chapter Thirteen Geography
杭椒炒鸡蛋1. How many states are there in the United States? Which one is the largest and which one is the smallest?
There are 50 states in the United States. The largest one in area is Alaska and Rhode Island the smallest.
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2. Why does the United States have an ideal location for trade?
The United States has an ideal location for trade. Its Atlantic coast faces the developed countries of Western Europe and its Pacific coast and Hawaii give the nation an approach to the Far East and Australasia. So the United States is well connected to the rest of the world.
3. Look at a physical map of the United States and find out and name the main mountain ranges, rivers and lakes in the United States.
There are two main mountain ranges in the United States. They are the Appalachian mountains and th
e Rocky mountains. Many important rivers in the United States include the Mississippi River and its two tributaries- the Missouri and the Ohio, two great rivers on the Pacific coast the Colorado and the Columbia, the Rio Grande River, the Hudson River and the Potomac. The most important lakes in the United States are the Great Lakes including Lake Superior, Lake Michigan, Lake Huron, Lake Erie and Lake Ontario. They are located between Canada and the United States except Lake Michigan.
4. What are the benefits of the lakes, rivers and acoasts of the United States?
The Lakes and rivers form a complete system of water ways which provides cheap transportation for materials. Many swift rivers provide good sources of hydroelectric power. The long and irregular acoasts provide many excellent harbors.广陵散绝
5. What are the factors which influence the climate of the United States?红细胞分布宽度偏高
The most important factors are the Atlantic and the Pacific oceans, the Gulf of Mexico and the Great Lakes. The western mountain ranges have an important effect on the climate of the Far West.
6. How many types of climate can be found in the United States? What are they?
Six types of climate can be found in the United States. They are the humid continental climate in the northeastern part of the country, the humid subtropical climate in the southeastern United States, the continental steppe climate of the Great Plains, the continental dert climate of the intermountain region, the maritime climate in the Pacific northwest and the Mediterranean climate in the southern part of the Pacific coast.
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爱的风帆7. How many geographical regions can be found in the United States? What are they?
Traditionally from the east to west the United States can be divided into ven geographical region. They are
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New England, the Middle Atlantic States, the Midwest, the South, the Great Plains, Rockies and Intermountain region or the American West, the Pacific Coast and the New States.
8. What are the major economic activities of the Midwest and the South of the United States?
The Midwest has the most developed agriculture. It is also a major manufacturing region and the nation’s leading centre of heavy industry. The South is rich in mineral resources and has light as well as heavy industries. It produces over half of the petroleum. It contains 90% of the American textile industry. It has a large agriculture. 9. Why is the tourist trade so important in the American West?
Becau much of the Rocky mountain area is too mountainous for grazing, and very little of it is usable farmland. And the government has t aside large areas of land as national parks.奋进的
10. List three geographical differences between Alaska and Hawaii.
The two states have many contrasts. Alaska occupies the north-western corner of North America. It extends northward into the Arctic Circle. Hawaii is located in the Pacific Ocean in the tropic. Alaska has the largest land area of all the states, and Hawaii has one of the smallest land areas.
