Among the five Great Lakes, only ()is wholly within the United States.
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There are approximately 500 () now in operation in the United States.
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There have been()periods in the development of American political parties in the United States.
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The Interior Plains lie between()and()
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acquires
anticipates
recalls
reckons
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对
错
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the Canadian Shield/the Appalachian Region
the Canadian Shield/the Rocky Mountains
the Great Lakes/the Arctic Islands
the Appalachian Region/the Great Lakes
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The Interior Plains lie between()and()
Athe Canadian Shield/the Appalachian Region
Bthe Canadian Shield/the Rocky Mountains
Cthe Great Lakes/the Arctic Islands
Dthe Appalachian Region/the Great Lakes
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According to historians and specialists in demography,there are()great population movement(s)in the history of the United States.
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()are respectively the dominant transport mode in China and in the United States.
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An administrator only has one public IP address that must be shared among five employees. Which of the following network schemes should be used?()
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appeared more than five minutes long
was used by an British film maker
generated great panic among the first audiences
roused great excitement
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Erie
Superior
Michigan