1-5: CBCCA 6-10: CBACB 11-15: ACBBA 16-20: ABABB 21-25: ADBAC
26-30: DCDBA 31-35: CBADB 36-40: BDADC 41-45: BACAD
46-50: ABBCD 51-55: DABCD 56-60: BCDAB 61-65: CDBCA 66-70: CDDBA
71. changing/varing
72. culture
73. Forms/Types/Kinds/Sorts/Categories
74. means
75. made
76. between
77.simple
78. physically
79. future/coming
80. life
adj. 为数众多的,许多