单项选择题
A.Ellis Island B.San Francisco C.Hawaii D.Miami
The immigrants spread unevenly across the country,with（...
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
A major source of population growth is（）A.immigration B...
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
The annual population growth rate of the 1990s was （）A....
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%
