美国概况练习题：qbB中国英语学习网1 The traditional dividing line in America between “east” and “west” is_.qbB中国英语学习网2 The earliest part in America to be found and taken over by early settlers is _.qbB中国英语学习网3 The largest racial group in the whole population of U.S.A is_.qbB中国英语学习网4 Before 2000, the largest minority group in the United States is_.qbB中国英语学习网5 _has the worlds oldest written constitution and political party.qbB中国英语学习网6 The economic problem caused by the depression in 1929
