45. What can be inferred from the passage?

　　 A. The writer is relieved that some native culture has been saved.

　　 B. Native lands were reduced because the natives were defeated by the whims.

　　 C. Native cultures only exist on reservations now.

D. The natives weren't as healthy as the whites.

答案：

本文是一篇历史性的夹叙夹议文，文章主要陈述了美国西进运动对当地的北美居民的影响。

44. The Dawes Act of 1887 was carried out to __________.

　　 A. make the occupation of lands by whites lawful

　　 B. destroy native means of living

　　 C. weaken native culture and identity

　　 D. establish the whites' rule

43. Native culture was first cut down in the process of Westward Movement mainly by the ___________.

　　 A. conflicts

　　 B. reservations

　　 C. new laws

　　 D. policies of assimilation

42. In the author’s opinion, the Native Americans suffered most from __________.

　　 A. the diseases carried by the whites

　　 B. the loss of their lands

　　 C. the wars against the white settlers

　　 D. cultural assimilation by whites

41. By writing this passage the author intends to _________.

　 　　 A. show the importance of the Westward Movement in the United States

　　　 B. introduce the history of settlement during the Westward Movement

　 　 C. show the painful loss of native ways of life during the Westward Movement

　 　　 D. criticize white Americans for suppressing the natives and destroying their cultures

39．there．因there appear．．．是there be…句型的变体。

38．how．引导宾语从句，在从句本身做方式状语。

37.　 from因from ... to...表示从“(什么时候)到(什么时候)”：

36．really 副词做状语。