The longest river in the U.S. is .
A. the Missouri River
B. the Mississippi River
C. the Ohio River
D. the Lake Itasca
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Some of the world-famous universities like Harvard, Yale and MIT are located in .
A. the South
B. the West
C. New England
D. the Midwest
San Francisco, Los Angeles and San Diego all belong to .
A. Montana
B. Utah
C. Maine
D. California
The characteristics of the dominant American culture are .
A. English-speaking, Northern European, Roman Catholic and middle-class
B. English-speaking, Western European, Roman Catholic and upper-class
C. English-speaking, Northern European, Protestant and upper-class
D. English-speaking, Western European, Protestant and middle-class
America is rich in mineral resources, which one is not the greatest resource over the country?
A. Gold
B. Iron ore
Coal
D. Oil
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