Over thirty thousand years ago，people from northern Asia （亚洲北部） went to America．Today， we call these people Indians（印第安人）．
The Indians went to America because the weather began to change．Northern Asia became very cold. Everything froze. They had to move or die. How did the first Indians go to America? They walked！
Later Columbus found the New World in 1492．At first，only a few Europeans followed（跟随）．They travelled to America in boats． For the next three hundred years， about 500，000 people went there． Then the number grew very quickly. From 1815 to 1915，over thirty－two million Europeans left their countries and went to the United States． The biggest groups were from Germany and Italy（意大利）．These Europeans spoke many different languages．Most of them took almost no money．They went to America so that they could find a better life．
【小题1】 went to America first．A．People from northern Asia B．People from EuropeC．People from GermanyD．Columbus【小题2】Why did the Indians go to America? Because ．A．northern Asia became very hot B．northern Asia became very coldC．they were interested in AmericaD．they liked travelling【小题3】The New World was ．A．ItalyB．northern AsiaC．GermanyD．America【小题4】The first Europeans went to America ．A．by shipB．by bikeC．by boatD．by trainA
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(答案→)A
解析：文章大意：美洲的印第安人竟然是从亚洲北部迁徙过去的，而且是走着过去的，太不可思议了！
【小题1】A 细节理解题。根据第一段可知答案选择A。
【小题2】B 细节理解题。 根据文章第二段The Indians went to America because the weather began to change．Northern Asia became very cold. Everything froze. They had to move or die.可知印第安人去美国是因为天气变化，亚洲北部非常寒冷。答案选B。
【小题3】D 细节理解题。根据第三段Later Columbus found the New World in 1492．At first，only a few Europeans followed（跟随）．They travelled to America in boats．可知“新世界”指的是美国，所以选择D。
【小题4】B 细节理解题。根据第三段句子They travelled to America in boats．答案选B。