36Which of the following may result from lack of self-esteem?

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.

36. She decided to break up with him because she hadn't felt an ( )compassion or understanding from him.

35.I don't yet know ( )who that's going to be, but I do want to say there is a very able, experienced candidate, and I look forward to helping that person in the transition.

34.This country completely ( ) the shooting, for it thinks of itself as a peaceful, gentle nation.

33.The dog is commanded to sit and if he doesn't do it the first time, he is pushed gently( ) .