北京韩语学习班新编英美概况许鲁之（第四版）Unit1-7课后习题简答题答案.哆来a梦全集
Unit 1 Geographical Features and Natural Resources
1. How many states are there in the United States? And which two states are geographically parated from the others? (50, Alaska, Hawaii)
2. What are the general characters of the Rocky Mountains and the Appalachian Mountains.
1) To the west of Atlantic coastal plain lie the Appalachian Mountains that begin in Canada and reach all the way to Georgia and Alabama. The are old mountains with rounded tops and wooded hills, usually not exceeding 800m in height. The highest point is only 2000m above the a. Most of the mountain ridges are low enough to be easily crosd by modern highways. The Appalachians have much beautiful scenery and many tourist resorts. The Ohio and the Tenne Rivers flow down the western slopes of the Appalachians to the great Mississippi River, deep in the heart of America.
2) To the west of the Great Plains lie the Rocky Mountains, “the backbone of the continent”. The high mountains stretch all the way from Mexico to the Arctic and form what is known as Continental Divide, or Great Divide, the most important watershed on the continent. The Rockies are more than twice as high as the Appalachians and high enough to receive more rain than the surrounding plains and plateaus. Conquently, they are mostly forested. The striking and varied scenery of the Rockies has given ri to the establishment of many national parks here. The other natural wonders include roaming herds of buffalo, elk, deer, antelope and sheep, as well as the famous grizzly bear.
Chapter 2 American Population
1.Why is the United States known as a “melting pot”?
It means that the US is compod of immigrants from different nations all over the world.
①The people of the US are predominantly white.
②The cond most numerous minority in the US were the black people who forefathers came from
Africa.
③American Indians were the original inhabitants on the continent.
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④There were about 50.5 million Hispanics in 2010 in the US. They are the Spanish-speaking immigrants
from Latin American countries.
⑤The Chine American have proved to be industrious and intelligent.
candy什么意思2.What factors cau the Americans to move frequently within the United States?
①The desire for economic betterment is generally the most important force inducing migration.
②Geographic difference in economic opportunity, as reflected by such factors as differences in
employment opportunities and earning power for workers and differences in the availability and the price of land for farmers.
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③Noneconomic factors. Such as climate, racial attitudes, and family tires, influencing migration.
3.Why do many Americans now migrate from cities to suburbs?
①The widespread us of automobiles and the construction of express highways made it possible for
people to live farther away from their jobs.
②The telephone reduced the need for them to work or live in clo proximity to one another.
③Suburban areas offered more living space than cities, lower crime rates, less pollution, and superior
schools. It is generally believed that they are better place for raising children.
Chapter 3 Discovery and Colonization of the New World
1. Discuss the pre-Columbian cultures in the Americas.
1) The Aztecs of Mexico
2) The Incas of Peru
3) The Indians of North America
特朗普和希拉里4) Indian contributions to European culture: Foods, Drugs and Utilitarian objects
2. Why did the discoveries of New World before Columbus not exert great influence in the world at that time?practi
小学一年级英语下册>国庆黑板报内容Becau Europe was then poor and politically fragmented, It was bet by local wars and civil disorder and largely illiterate. In short, Europe was then incapable of responding to the Nor discoveries.
3.Why did so many English people move to the New World in the 17th century?
1) The New World was a great and rich land. In the New World there were all tho resources necessary for agricultural and industrial development.
2)During the reign of Queen Elizabeth I (1588-1603), the English in growing numbers realized that the New World was their best place to make their fortunes, and to worship and live according to their beliefs.
3)Some of them might move to America to leave oppressive political institutions, to escape burdensome church duties, to acquire large landholdings or merely to change their general pattern of living. Of cour, material gain was a common factor.怎样提高高中语文
