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第二节：完形填空（共15小题；每小题1分，满分15分）
阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。
When a person is curious about something, it means he is interested in it and wishes to know something about it. There is   31   wrong with curiosity(好奇) in itself. Whether it is good or bad   32     on what people are curious about.
Curiosity sometimes can be foolish or wrong. Some people with nothing to do are   33   of curiosity about what their neighbors are doing. They have a strong wish to know what they are    34   home or taking outside, or why they have come home so   35  or late. To be interested in these things is foolish because it is none of their business to know what their neighbors do or are doing. Such curiosity is not only foolish but also   36  . For most probably, it may lead to a small talk   37   often brings harm, loss of honor or disrespect (不尊重) to others, and thus   38  their feelings.
On the other hand, there is a   39  curiosity --- the curiosity of wise men, who wonder at all the great things and try to find out all they   40  learn about them. Columbus could   41   have found America if he had not been   42  . James Watt would not have made the steam engine (蒸汽机)    43   his curiosity about the rising of the kettle lid (水壶盖). All the discoveries in      human history have been made as a   44  of curiosity, so the clever curiosity is never about unimportant things which have   45   or nothing to do with the happiness of the public.
31. A. anything             B. everything                C. nothing                    D. something
32. A. keeps                  B. puts                         C. takes                        D. depends
33. A. full                    B. certain                           C. proud                       D. careful
34. A. taking                 B. bringing                   C. going                       D. coming
35. A. quickly               B. hurriedly                  C. early                        D. happily
36. A. interesting           B. useful                      C. harmful                    D. proper
37. A. who                   B. which                      C. when                       D. where
38. A. hurts                  B. injures                            C. breaks                      D. damages
39. A. terrible               B. sudden                     C. strange                     D. clever
40. A. need                   B. must                        C. may                         D. can           
41. A. never                  B. certainly                   C. surely                      D. probably
42. A. famous               B. careful                            C. curious                     D. hard
43. A. for                            B. without                    C. with                         D. in
44. A. reason                B. product                    C. fruit                         D. result
45. A. little                   B. few                          C. some                        D. any