The largest state in America is ______ and the largest state on the mainland of America is ______.
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Except ______ and ______, the other 48 states are all on the mainland of America.
When it comes to poems, poets, plaid skirt, Bagpipes and Whiskey, we always tend to think of ______.
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.
The general election in America is held every ______ years.
A. 2
B. 3
C. 4
D. 5