What are the problems the U.S. economy has faced from time to time?
A. Recessions
B. Depressions
C. Inflation
D. All of the above
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The United States has vast expanses of fertile soil that is well suited to ____.
A. raising cattle
B. growing crops
C. developing highways
D. digging wells
____ is not a tourist attraction in the United States.A. Yellowstone National Park B. Grand CanyonC. St. Patrick’s Cathedral D. Stonehenge
A. Yellowstone National Park
B. Grand Canyon
C. Disney World
D. Stonehenge
The United States stretches from the Atlantic Ocean in the west to the Pacific Ocean in the east.
A. 对
B. 错
When the War of Independence was over, the US was on unified nation as it is today.
A. 对
B. 错