单项选择题
（）was an important immigration spot in late 19th century and early 20th century.
A.Ellis Island
B.San Francisco
C.Hawaii
D.Miami
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相关考题
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单项选择题
The immigrants spread unevenly across the country,with（）having the largest percentage of immigrants.
A.Northeast
B.the West
C.Midwest
D.the South -
单项选择题
A major source of population growth is（）
A.immigration
B.baby boom
C.rising birth rate
D.larger number of young people -
单项选择题
The annual population growth rate of the 1990s was （）
A.1%
B.0.9%
C.over 1%
D.under 1%
