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單項選擇題

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

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單項選擇題

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

單項選擇題

During the third wave of immigration from 1890 to 1910,many came from（）

A.Britain and the Netherlands　
B.Austria-Hungary and Russia
C.Japan and China
D.Mexico and Cuba