1.Which of the following statements about migrants to colonial North America is supported by information in the passage?
(A) A larger percentage of migrants to colonial North America came as indentured servants than as free agents interested in acquiring land.
(B) Migrants who came to the colonies as indentured servants were more successful at making a livelihood than were farmers and artisans.
(C) Migrants to colonial North America were more successful at acquiring their own land during the eighteenth century than during the seventeenth century.
(D) By the 1730's， migrants already skilled in a trade were in more demand by American employers than were unskilled laborers.
(E) A significant percentage of migrants who came to the colonies to acquire land were forced to work as field hands for prosperous American farmers.
2.The author of the passage states that Bailyn failed to
(A) give sufficient emphasis to the cultural and political interdependence of the colonies and England
(B) describe carefully how migrants of different ethnic backgrounds preserved their culture in the United States
(C) take advantage of social research on the experiences of colonists who migrated to colonial North America specifically to acquire land
(D) relate the experience of the migrants to the political values that eventually shaped the character of the United States
(E) investigate the lives of Europeans before they came to colonial North America to determine more adequately their motivations for migrating
3.Which of the following best summarizes the author's evaluation of Bailyn's fourth pro-position?
(A) It is totally implausible.
(B) It is partially correct.
(C) It is highly admirable.
(D) It is controversial though persuasive.
(E) It is intriguing though unsubstantiated.