阅读理解 　　Thousands of years before Columbus came to the New World, the American Indians entered North America by crossing a narrow strip of land that once connected Alaska and Siberia.The migrants(移民)entered a new world in which there were no people at all. But there were many animals to hunt, and there were forests where nuts, roots and berries could be gathered. When the Europeans came to the New World, the Indians, at first, taught the settlers how to plant corn, bake fish, make canoes,and smoke tobacco. In return, the whites introduced horses,guns,gun-powder, alcohol. But at last, there were struggles for land, and the struggles could have only one result ─ war. When the wars were over, all Indians were moved to large tracts of land called reservations. Now some of them, embittered(耽怀于)by past　mistreat, are determined to preserve their tribal life; some wish to modernize the reservations(居留地).These alternatives, with many variations(变化)are what most Indians have chosen─a future in modern technology and education, or the revival (振兴)of ancient tradition and treaties. (1) The Indians entered North America ______.[　　] A. with Columbus B. before Columbus did C. after Columbus’ arrival D. in the 18th century (2) The Indians moved to a new world which was ______.[　　] A. once settled by Europeans B. inhabited by primitive men C. dwelled by American migrants D. completely uninhabited by other people (3) As soon as the Europeans set their foot on the New World, they ______.[　　] A. were hostile (敌意的) to the Indians B. were on good terms with the Indians C. didn’t treat the Indians in a friendly way D. traded with the Indians friendly (4) The most accurate statement about contemporary (当代的)Indians is ______.[　　] A. most Indians rejects modern culture and technology B. some Indians preserve conventional life style C. some Indians have adopted modern culture and technology D. both B and C (5) The Indians were good at ______.[　　] A. struggle for land B. making boats C. contemporary tribal life D. the revival of their tradition