32Which of the following best states the author's purpose of writing this passage?

46. It is understandable that the health and Vy welfare of their family is an ( )concern for this young couple.

45. The movie presents Lincoln as a strong-willed, ( )man who led the US through a moral, constitutional and political crisis.

44. He received an ( )call threatening to disclosexletails of his affair if he didn't pay the money.

43. In the( )of research, it is an accepted fact that scientific publications have to be written or translated into English to get published, acknowledged, and cited.

42. Praise must be used wisely to ( ) students who perform up to expectations and to encourage students to perform to maximum levels.

41.The director said that they needed a young actress who could ( )someone who was both unbalanced and confident at the same time.

40. The results of the survey are ( )and useful despite being from a small sample.

39. He has been ( )by a horrible disease. from wftich one of his best friends died two weeks ago.

38. Children should be allowed to ( )those few years of innocence before they have to learn the truth about the real world.

37. As a number of authors point out, the urge to migrate is an ( )part of human nature.