单项选择题
A.a favorable picture B.a negative picture C.a mixed picture D.an encouraging picture
Between 1960 and 1990,a large number of people moved fr...
单项选择题Between 1960 and 1990,a large number of people moved from（）
A.core cities to the suburbs B.rural areas to cities C.small cities to large cities D.None of the above
In the last great population movement,a large number of...
单项选择题In the last great population movement,a large number of people moved to（）
A.the Northwest B.the sunbelt areas C.the South D.the Southwest
According to historians and specialists in demography,t...
单项选择题According to historians and specialists in demography,there are（）great population movement(s)in the history of the United States.
A.four B.three C.five D.None of the above
