38.232,364,4128,52416,(    )

A.64832                       B.624382                     C.723654                     D.87544

39.4,5,7,9,13,15,(    )

A.17                            B.19                            C.18                            D.20

40.3,3,4,5,7,7,11,9,(    )

A.13,11                        B.16,12                        C.18,11                        D.17,13

41.0,1,5,23,119,(    )

A.719                          B.721                           C.599                           D.521

42.12,19,29,47,78,127,(    )

A.199                          B.235                           C.145                           D.239

43.1/2,1,4/3,19/12,(    )

A.118/60                      B.119/19                      C.109/36                      D.107/60

44.9,17,13,15,14,(    )

A.13                            B.14                            C.13.5                          D.14.5

45.1,3/4,9/5,7/16,25/9,(    )

A.15/38                        B.11/36                        C.14/27                        D.18/29

二、数学运算

在这部分试题中，每道试题呈现一段表述数字关系的文字。

46.11338×25593的值为：

A.290133434           B.290173434          C.290163434                    D.290153434

47.有20位运动员参加长跑，他们的参赛号码分别是1，2，3，……，20，至少要从中选出多少个参赛号码，才能保证至少有两个号码的差是13的倍数？

A.12                      &nb