Why people call the U. S. A "melting pot"
A. Because people from different races live there together.
Because it has great influence on the world.
C. Because it is an important economic center of the world.
D. Because its steel industry is highly developed.
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The general election in America is held every ______ years.
A. 2
B. 3
C. 4
D. 5
Three political divisions on the island of Great Britain: ______, ______, ______.
The United States was ranked ______ in the world by the size of land areas.
A. third
B. second
C. fifth
D. fourth
Modern football originates from ______.
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