47. The first immigrants in American history came from ____ and ____.
A. Ireland/France B. England/China C. Scotland/England D. England/Netherland
48. Uncle Tom’s Cabin and Roots are two novels which give a vivid description of the miserable life of the _____.
A. early settlers B. Puritans C. native Indians D. black slaves
49. According to American historians and specialists in demography, there are _____ great population movement in the history of the United States.
A. two B. three C. four D. five
50. Many early Chinese immigrants worked in the mining industry, especially in the _____.
A. gold mines B. silver mines C. coal mines D. copper mines
51. The Declaration of Independence was drafted by _____.
A. James Madison B. Thomes Jefferson C. Alexander Hamilton D. George Washington