问题补充：
The United States of America is the most culturally diverse(多样化) country in the world in terms of culture religion, ethnicity(种族) and sexual orientation. As a combination of various races and cultures, America is home to all. The culture here is so unique that citizens can be just as proud of their original cultural heritage(遗产) as they are to be American.
What is now the US was initially inhabited(居住) by native people until the land was settled by various European groups and African slaves. Since the 20th century, the country has become a heaven for people from all over the globe(全球).
The arrival of immigrants(移民) has shifted populations from rural(农村的) areas into cities because immigrants tend to settle in urban areas. At present, 81 percent of the inhabitants in the US live in cities.
Cultural and ethnic diversity adds a unique flavor to cities that is expressed through distinct(独特的) neighborhoods, restaurants, places of worship, museums, nightlife and multicultural learning environments.
Unique musical forms, such as jazz, rock and roll, Chicano music, and the blues, grow in the US by mixing a variety of culturally distinct musical traditions to create a new form.
At the executive (行政的) level, the country is headed by a mixedrace president; two posts(职位) on the Supreme Court are held by members of the countrys two largest minorities.There is also diversity in state and local governments.
Without its rich mixture of races and cultures, America would not be the nation that it is today. Founded upon the basis of equality and freedom, America acts as a stage where different cultures not only coexist peacefully, but develop well.
【小题1】According to the passage, America is a country.A．that welcomes people from all over the worldB．where citizens take more pride in their original cultureC．that is mostly settled by Europeans and AfricansD．where 81% of the population are immigrants【小题2】Where did most people live before many immigrants came to America?A．In the urban areas.B．In the rural areas.C．In the southern part of America.D．In the northern part of America.【小题3】We can learn from the sixth paragraph that.A．diversity(多样化) has existed in America in almost every aspect(方面)B．most posts in American state governments are held by mixedrace peopleC．equality and freedom make America a fair countryD．diversity has greatly affected the American political field【小题4】Whats the best title for this passage?A．The effects of culture and diversity on America.B．The influence of globalization on America.C．The political development of America.D．The bright future of America.【小题5】We would most probably read this passage in a book about.A．science B．historyC．cultureD．amusement
答案：
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解析：本文主要介绍的就是美国文化的多元化，种族的多元化以及这些多元化的因素对美国生活各方面的影响。
【小题1】A 推理题。根据第二段Since the 20th century, the country has become a heaven for people from all over the globe(全球).说明美国欢迎来自于全球的移民，故A正确。
【小题2】B 细节题。根据文章第三段The arrival of immigrants(移民) has shifted populations from rural(农村的) areas into cities because immigrants tend to settle in urban areas. At present, 81 percent of the inhabitants in the US live in cities说明在来到美国之前很多人都住在农村地区，故B正确。
【小题3】D 细节题。根据本段最后一句There is also diversity in state and local governments.说明多样化的种族在影响着美国的政治领域，故D项正确。
【小题4】A 主旨大意题。根据文章主题段第一段1,2行The United States of America is the most culturally diverse(多样化) country in the world in terms of culture religion, ethnicity(种族) and sexual orientation.说明本文介绍了美国生活，文化等方面的多元化等方面的影响，故A正确。
【小题5】C 推理题。本文主要就是介绍了美国的文化方面的内容，故最有可能出现在关于文化方面知识的书。故C正确。
